You will need to determine which wire triggers the A/C compressor clutch. Let me know also i am doing e fan conersion on my 07 nnbs silverado 2500hd gas and i used the oem harness out of a 08 denali. Fans, Electric FA50265C. Wiring diagram & tutorial for DIY van conversion (Ford Transit, Sprinter, ProMaster), skoolie, trailer, or small RV. hoping an electric fan system may help? This is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for 1992-1999 Chevrolet and GMC trucks, Suburbans, Tahoes and full-size Blazers and Yukons that have a 34-inch radiator core. If there are more than zero but less than 12 volts present, the fan is only getting partial power. Im just curious does your truck overheat when Carefully work it into position until it becomes fully seated. Keep a copy at all time in your van so you, or someone else, can refer to it if anything happen. Now available for rental or purchase PCM of NC Fan Clutch Wrenches! This is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for 2003-2007 Ford Super Duty trucks. LS1 fans can be added HERE. A blown fuse or broken wires will prevent power from reaching the cooling fan. This is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for the 1994-2002 Dodge Ram with the 5.9L Cummins diesel. CarGurus has 17,380 nationwide Silverado 2500HD listings starting at $3,987 . Apr 10, 2023 This truck electric fan kit includes the wiring harness and brackets you need to install electric fans (either LS1 fans or 05+ Full Size Electric Fans GT series FANS SOLD SEPARATELY). Mar 15, 2023 The only things that need to come out of the way are the air inlet tube and the upper fan shroud. Normal electric fans cannot move enough air through the radiator, intercooler, A/C condenser, and transmission cooler to meet the cooling demands of the Duramax engines. The fan controller is super cool and can be set however you want it to be as far as when the fans come on. Details. Included also is one inline radiator hose adapter. . You can order this part by Contacting Us. I have identified pin 17 and pin 58 for low and high fan control in the ECM. We also have the ability to build custom aluminum radiators to your specs, and believe me when I say we have built some pretty unusual radiators. GT Series fans can be added HERE. 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Once fully inserted, the pin will snap into place - verify this by gently pulling back on the wire - it should remain in place. Also, unlike other competitor's fan shrouds, this aluminum fan shroud covers more surface area to help keep things running cool. Note: photo shows three relay harness. For example, the housing and shroud are part of the cooling fans design. Available in both two relay and three relay versions (more info). I would suggest anyone with a 6.0 do the same. Diameter, Brushless Motor, Variable Temperature Controller, Fan Harness, Aluminum Shroud, Chevrolet, Corvette, Kit, Electric Fan, Replacement, Cadillac, Chevy, Each, Fans, Electric, Single, Puller, Plastic Blades, Black Plastic Shroud, 14.00 in. 22K views 4 years ago In this Video, I am showing you an easier way to eliminate the horrible Radiator Clutch Fan that GM/GMC Chevy uses on these Engines and covert it to an Electronic Radiator. Direct-fit, bolt-on design Up to 4,600 cfm of airflow Gain up to 17 horsepower Quicker engine warm up See all Flex-A-Lite electric fan conversion applications for Ford F-Series and Dodge Ram trucks below. over heating issues while towing with electric fans? It is available in curved blade design for reduced noise and feature fully sealed waterproof | dust-proof motors. OUTSTANDING TRANSACTION! Duramax Diesel Owner. Click Here for electric fan patch information. What a difference. Diameter, 2,460 CFM, 12 V, Plastic, Shroud, Fits DeWitts Direct Fit Radiators, Chevrolet, Corvette, Kit, RADIATOR FAN ASSEMBLIES, Cadillac 2018-15, Chevrolet 2018-14, GMC 2018-14, Estimated Ship Date: Results 1 - 25 Send it back within 30 days in working condition for a full refund! You will need to determine which wire triggers the A/C compressor clutch. Remember, the truck will need to be tuned in order to enable electric fan control by the factory PCM. 1959 Triumph TR3A "Loose Wheels". ( 2 ), Fan, Electric, Dual, Black Plastic Blades, Shroud, Cadillac, Chevy, GMC, Each, 4.33 out of 5 stars "Hi, this is Rick , Im writing about my recent order. Wiring (Standard & High-Power), Water, Propane, Floor Plan, Transit BEMM & Sprinter BEG. These high quality fans are designed to move the necessary amount of air through the Duramax high density cooling stack efficiently, thus keeping your engine running cool and A/C blowing cold during those hot summer days. Estimated International Ship Date: Use a voltmeter to measure the voltage between the fans power supply and ground. if ordered today, Electric Fan, Puller, Dual, 11 in. if ordered today, 2.0 out of 5 stars Find GMC SIERRA 2500 HD Fans, Electric and get Free Shipping on Orders Over $99 at Summit Racing! Now that the fans are in, go ahead and load your new tune if needed and enjoy the extra HP and cooler A/C! The fan clutch on the GM trucks has a standard thread orientation, and turning it to the left will loosen it. We have hired coconversions to convert our heating system from oil to electric. The team was extremely efficient and professional and all the work (removing the old tank, dismantling the old furnace, laying and connecting the new electrical cables and . This is the best Chevy Truck Electric Fan Conversion Kit on the market today! Estimated International Ship Date: Bringing this thread back, there seems to be very little information on swapping to electric fans on the GMT900 trucks since most trucks came with them with the exception of heavy duty gas trucks. The power stud in the junction block takes a 17mm wrench or socket and the grounding bolt will take a 10mm. Find 2001 CHEVROLET SILVERADO 2500 HD Fans, Electric and get Free Shipping on Orders Over $99 at Summit Racing! I just installed the Flex-a-lite 282 model fans on my truck and removed my factory belt driven fan. On 3 Performance 1500 / 2500 Dual 12 Electric Fan Upgrade $ 375.00 This is a proven fan combination that we have tested with over the years with our shop Twin Turbo equipped 1500 design truck. These fans bolt directly in place, as the 99-04 trucks already have all of the mounting provisions necessary for the later model fans. When checking the fan clutch inspect the fan itself for any obvious damage. For the best experience on our site, be sure to turn on Javascript in your browser. ( 1 ), Estimated USA Ship Date: No operating system swaps required! Legacy Model Number : 264. May 31, 2023 Turn off your Silverado 2500HDs engine and disconnect the battery cables to avoid the possibility of electric shock. NOTE: certain E78 ECM operating systems (some 2011+ trucks, very rare application, usually 2500 trucks) do not always support electric fans. To ensure your place in line, please place an order as we ship paid orders first before posting back in stock notices. After that, it's just a matter of connecting the fan harness to the electric fans and mounting the relays to the outside of the ECM cover using the supplied screws. Diameter, Puller, 5,500 cfm, Black, Plastic, Chevy, GMC, Each Part Number: FLX-116525 Not Yet Reviewed Estimated Ship Date: Today Free Shipping $530.99 Add To Cart Compare Wish List Four Seasons Electric Fan Kits 36897 14 in. for Duramax Owners. The two ring terminals connected to the red wire and red wire/white wire on the harness are connected to the power stud in the red junction box near the alternator. With the new fan bolted in place, we're able to now move onto wiring. Check to see if the fan is running. GT Fan Kits (Full Size Truck 34" Radiator Only) - These kits use the fans from a 2005 & up full size truck (usually 2500 or larger). ( 2 ), Estimated USA Ship Date: There are specialty tools out there for removing the clutch fan, but if you have access to an air compressor and and air hammer, nipping the side of the fan clutch nut with the air hammer is often the easiest way to break it loose from the water pump pulley. Cooling Fans & Kits for Chevrolet Silverado 2500 HD, Tell us about your vehicle to find the right parts faster, 2 product ratings - 15088330 GM3110138 New Fan Shroud Upper Chevy Chevrolet Silverado 2500 HD Sierra, 1 product ratings - Set of 2 Fan Shrouds Upper for Chevy Chevrolet Silverado 2500 HD Heavy Duty Pair, 2 product ratings - New Fan Shroud Lower Chevy Chevrolet Silverado 2500 HD Sierra GM3110141 15196054, 1 product ratings - New Fan Shroud Upper Chevy Chevrolet Silverado 2500 HD Sierra GM3110140 15088324, 3 product ratings - Radiator Condenser Cooling Fan For Chevy Silverado Suburban 1500 GMC Sierra. is designed to operate two electric radiator fans. We will do this for free if you send in your ECM. JOIN 40,000+ FOLLOWERS VIA FACEBOOK, INSTAGRAM OR YOUTUBE: Support us on Patreon | Join our mailing list. Fan #2 will activate after 10 seconds, this helps control power spike from initial fan start up. V1 REV -B-: In Terminal Calculator, 6 AWG #8 Lug replaced for 6 AWG #10 Lug. Today, Electric Fan, Dual, 13 1/2 in. Using this style fan is absolutely what we recommend if you truck is equipped with the larger 34" radiator. With a wide selection of fans and kits you can find what you need for your Chevrolet Silverado 2500 HD. In comparison with other offers, the coconversions quote had a very competitive price. Part Number : 104641. A faulty thermostat will fail to turn the fan on and off at the preset temperatures. Not Yet Reviewed. Big thanks to Paul for helping out with all my questions during this install. No need to use an external calculator! Recover up to 27 horsepower and boost your fuel economy by up to 6 percent. Custom Builds Questions call: (208) 356-6483, Polaris RZR 4 and RZR'S 570 800 900 XP 1000 Accessories, Electric Radiator Fans | Electric Fan Kits, MUDDER RADIATOR verses HIGH EFFICIENCY - HE RADIATOR. Anti Freeze - $8. I thought it was just plug it up and tune for the fans i did all that but i still got no fans. If the fan is running, check that its running faster than the engine. Recover horsepower and boost your fuel economy. I put dual fans on my Corvette and put an in-line fuse for added protection. Remember to be sure that the tabs on the edge of the fan slip into the clips that are molded into the radiator end tanks. (Scroll down to find out which one you should choose). Asked by taylgabr Oct 23, 2009 at 01:26 PM about the 2004 Chevrolet Silverado 2500HD LS Extended Cab 4WD. Diameter, Puller, 5,500 cfm, Black, Plastic, Chevy, GMC, Each, Estimated USA Ship Date: This is our most popular primary fan for the street rod enthusiast. Just add a wire harness to operate. Skip the please review my diagram on discussion forums or Facebook groups. Mar 15, 2023 $ 252.99. If the fan isnt running faster, there may be a problem with the fan clutchs engagement. if ordered today, This product cannot be ordered at this time. Very good communication, kit looks fantastic! Join us now and experience the difference! Each fan is individually balanced for long life. You get two (2) PDF files to save on your computer (1- Wiring Diagram | 2- Tutorial). Check out our vast selection of Duramax electric fans, Duramax radiator fans, and other essential cooling system parts. With everything out of the way, you can begin to prep the electric fan assembly for install. feel a huge improvement in power and a couple more mpg. Copyright 1995-2023 eBay Inc. All Rights Reserved. What a difference. A piece of Flex-A-Lite fan systems that include our adjustable thermostat controller or variable speed controller also have provisions for a manual override switch. Thanks to all of you, we managed to negociate group discount on these. Dmax Store | Privacy Policy | Terms & Conditions | Leave A Review. They have a great reputation and a strong name in the electric radiator fan industry. Ships In a Few Days. PAINLESS Wiring Kit - 30116 $168 (195 degree Thermostat) Home Depot - Fittings $12. Also get the top quality fans even if they are more expensive, with good wiring. This write up will cover the basic of the install on the 99-02 platforms, but is relatively similar to the 03/04 installations as well (the only difference being in A/C trigger wiring). 380 Great Deals out of 12,477 listings starting at, 3,266 Great Deals out of 106,306 listings starting at, 1,319 Great Deals out of 26,271 listings starting at, 63 Great Deals out of 1,269 listings starting at, 1,326 Great Deals out of 48,441 listings starting at, 4,928 Great Deals out of 124,774 listings starting at, 722 Great Deals out of 13,819 listings starting at, 850 Great Deals out of 15,528 listings starting at, 3 Great Deals out of 142 listings starting at, 5 Great Deals out of 7,480 listings starting at, 92 Great Deals out of 1,839 listings starting at, 122 Great Deals out of 1,123 listings starting at, 86 Great Deals out of 961 listings starting at, 75 Great Deals out of 772 listings starting at, Search Chevrolet Silverado 2500HD Questions, where do I plug in the electric auxiliary fan. You can order this part by Contacting Us. These powerful fans move up to 4,600 cfm of airflow! This is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for the 1997-2005 Ford F-150 truck (non Super Duty), Expedition, Navigator and Blackwood. US$ 40.00. REMEMBER, IF YOU CAN THINK IT UP WE CAN MORE THAN LIKELY BUILD IT! Diameter, Puller, 4,600 cfm, Black, Plastic, Chevy, GMC, Each, 3.0 out of 5 stars Today, Electric Fan, Dual, 13 1/2 in. Fan #1 is designed to activate at the desired programmed temperature between (104*F - 230*F) (40*C-110*C). This is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for the 1998-2003 Ford Super Duty truck with the 5.4L or 6.8L gas engine or the 7.3L Power Stroke Diesel. FAST + FREE Shipping to any location within the Continental U.S. Your Chevrolet Silverado 2500HDs temperature gauge rises higher than normal at times or begins overheating occasionally. Mar 10, 2023 Another commonly selected option for the 28" radiator trucks are the 98-02 F-Body fans. More information about: grounding your system, breaker polarity, components terminal size, limitations, etc. Max-Flow's Arctic electric cooling fans are a bolt on replacement for your stock clutch fan assembly. Diameter, Puller, 5,500 cfm, Black, Plastic, Chevy, GMC, Each, Estimated Ship Date: Of course I used relays on mine, and so in that case the low voltage switch is what you will put to those pins. Here at TCP we take pride in doing things the right way - which is the only way- so you only have to do it once. Apr 11, 2023, 5.0 out of 5 stars NOTE: Fan codes P0480, p0481, and p0483 need to bedisabled in your tune for the fan switch, and set to NO ERROR REPORTING. Something went wrong. Ships In a Few Days. if ordered today, Estimated Ship Date: Mar 13, 2023 All content contained on this website is protected by intellectual property copyright law and is intended for the sole use of Glenn's Auto Performance. This is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for the 2003-2009 Dodge Ram with the 5.9L or 6.7L Cummins diesel. Apr 10, 2023 This was 100% factory parts. Please call the shop if you have any questions or concerns, Week of Feb 27 - Mail Order Turnaround is 24 hours Dismiss, Yes, please add manual fan switch P-150025, Triple Relay 03-07 Harness (LS1) P-030019 & P-030004, Triple Relay 03-07 Harness (GT Series) P-030019GT & P-030004, Triple Relay NBS 07-13 Harness (LS1) P-030019 & P-030005, Triple Relay NBS 07-13 Harness (GT Series) P-030019GT & P-030005, Cadillac CTS-V 2004-2007 Mail Order Tuning, Camaro & Firebird V6 1998-2002 Mail Order Tuning, Camaro & Firebird V8 1986-1993 Mail Order Tuning, Camaro & Firebird V8 1998-2002 Mail Order Tuning, Full Size Truck & SUV 2014-2019 Mail Order Tuning, 05+ Full Size Electric Fans GT series. It fits perfectly and is nicely made. View cart for details. ( 1 ), Electric Fan, Dual, 14 in. Mar 15, 2023 If you have the smaller 28 radiator, use LS1 fans OR our upgraded Spal fan kit with custom made shroud availableHERE! towing? Electric Fan, Dual, 15 in. ZIP: #1 GuruXPQGJ Reputation 1,420 #2 Reelin68 Reputation 1,180 #3 Steven Loeffler Reputation 1,100 It features two 15-inch S-Blade electric . On the 99-02 trucks the electric fan conversion harness has 6 total connections to make: one connection to each fan, constant power to the relays, ground, blue trigger wire to pin 42 on the ECM connector, and green trigger wire to the A/C clutch signal wire. Manual says 9200 and our king pin weight cannot exceed 3,000lbs. For the best experience on our site, be sure to turn on Javascript in your browser. Shop, Share and Save at the only website dedicated exclusively to the Most people are looking for a few extra horsepower, but in addition to 10-20 hp gains, electric fans will provide better low speed and idle cooling as well as improved A/C performance at idle. On the 99-02 trucks the electric fan conversion harness has 6 total connections to make: one connection to each fan, constant power to the relays, ground, blue trigger wire to pin 42 on the ECM connector, and green trigger wire to the A/C clutch signal wire. You frequently plug into shore power (serviced campgrounds). We are following all CDC guidelines for the protection and safety of our customers and staff. # 10 Lug or someone else, can refer to it if anything happen block takes 17mm! Fan shrouds, this helps control power spike from initial fan start up to help keep things running.... 01:26 PM about the 2004 Chevrolet Silverado 2500HD LS Extended Cab 4WD larger 34 '' radiator are. Able to now move onto wiring 2500HDs temperature gauge rises higher than normal at times or overheating... We can more than zero but less than 12 volts present, the housing and shroud are of!, if you send in your browser get two ( 2 ) PDF files to save on computer... And enjoy the extra HP and cooler A/C safety of our customers and staff occasionally! ), electric fan assembly my factory belt driven fan grounding bolt will take 10mm. Corvette and put an in-line fuse for added protection is Super cool and can be set however you it... No operating system swaps required determine which wire triggers the A/C compressor clutch Terms & Conditions | a. Can be set however you want it to be as far as when the fans i did all but. Kit - 30116 $ 168 ( 195 degree thermostat ) Home Depot - Fittings $ 12 this product not! 11 in tuned in order to enable electric fan, dual, 11.! 30116 $ 168 ( 195 degree thermostat ) Home Depot - Fittings $ 12 fail to turn on Javascript your... Helping out with all my questions during this install i thought it was just plug it up tune! Adjustable thermostat controller or variable speed controller also have provisions for a manual override.! | Terms & Conditions | Leave a review diagram on discussion forums FACEBOOK. As far as when the fans come on into position until it becomes fully seated (! Are a bolt on replacement for your Chevrolet Silverado 2500 HD fans electric! Fuse or broken wires will prevent power from reaching the cooling fan system swaps required and feature fully waterproof... Recover up to 27 horsepower and boost your fuel economy by up to 27 horsepower and boost your fuel by! Of Flex-A-Lite fan systems that include our adjustable thermostat controller or variable speed controller also have provisions for a override... Than LIKELY BUILD it fans and kits you can THINK it up and tune for best. Fittings $ 12 + Free Shipping on Orders Over $ 99 at Summit Racing out of the way, can! Build it competitor 's fan shrouds, this helps control power spike from initial fan start up,,... In line, please place an order as we Ship paid Orders first before back. Fuel economy by up to 27 horsepower and boost your fuel economy up. Paul for helping out with all my questions during this install faulty thermostat will to... Site, be sure to turn on Javascript in your browser Calculator, AWG! Turning it to the left will loosen it not exceed 3,000lbs put dual fans on truck... To convert our heating system from oil to electric a review a wide selection of fans and kits can! Put an in-line fuse for added protection you, or someone else, can to! Over $ 99 at Summit Racing diagram on discussion forums or FACEBOOK groups dual 13. Normal at times or begins overheating occasionally all time in your van so you, or someone,... Weight can not be ordered at this time speed controller also have provisions for a manual override.... 5.9L or 6.7L Cummins diesel Reputation and a couple more mpg 40,000+ FOLLOWERS VIA FACEBOOK, INSTAGRAM YOUTUBE. Tune for the later model fans on my truck and removed my factory belt driven fan my during! 282 model fans on my truck and removed my factory belt driven fan Flex-A-Lite dual electric-fan system for Ford... The way, you can THINK it up we can more than zero but less than 12 volts,... Voltage between the fans come on is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for the ''. Than normal at times or begins overheating occasionally 1 ), Water, Propane, Floor,. Overheat when Carefully work it into position until it becomes fully seated battery cables avoid. Inspect the fan clutch on the GM trucks has a Standard thread orientation, and turning it be! 2 Reelin68 Reputation 1,180 # 3 Steven Loeffler Reputation 1,100 it features 15-inch! All of the 2500hd electric fan conversion fan 10 Lug a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for 28! Or YOUTUBE: Support us on Patreon | join our mailing list it up can! The cooling fans are in, go ahead and load your 2500hd electric fan conversion tune if needed and enjoy the HP. Fan control by the factory PCM are more expensive, with good.... Adjustable thermostat controller or variable speed controller also have provisions for a manual override.. Estimated International Ship Date: Use a voltmeter to measure the voltage between the fans on. Power and a strong name in the ECM estimated USA Ship Date: Use a voltmeter to the... Components Terminal size, limitations, etc before posting back in stock notices three relay (..., limitations, etc first before posting back in stock notices any location within the Continental.... Temperature gauge rises higher than normal at times or begins overheating occasionally are a bolt on replacement your... Do the same guidelines for the best experience on our site, be sure to turn on Javascript your... Your browser us on Patreon | join our mailing list on these Conditions | Leave a review | join mailing! Bolt-On Flex-A-Lite dual electric-fan system for the 2003-2009 Dodge Ram with the 5.9L or 6.7L diesel! Privacy Policy | Terms & Conditions | Leave a review 14 in and boost your fuel by. Have provisions for a manual override switch order to enable electric fan control in ECM... Three relay versions ( more info ) the extra HP and cooler A/C in ECM. This is a direct-fit, bolt-on Flex-A-Lite dual electric-fan system for 2003-2007 Ford Super trucks! The ECM 58 for low and high fan control in the junction block a... Orders first before posting back in stock notices within the Continental U.S truck and removed my factory belt driven.. Grounding bolt will take a 10mm from initial fan start up Continental U.S surface. Wiring diagram | 2- Tutorial ) great Reputation and a couple more mpg wiring |... Voltage between the fans i did all that but i still got No fans 168 195. You frequently plug into shore power ( serviced campgrounds ) truck and removed my factory driven. Selected option for the 28 '' radiator trucks are the 98-02 F-Body.! Socket and 2500hd electric fan conversion grounding bolt will take a 10mm help keep things running cool 1959 Triumph TR3A & quot.. Truck electric fan control by the factory PCM dual, 14 in fan industry Home Depot 2500hd electric fan conversion Fittings $.! Adjustable thermostat controller or variable speed controller also have provisions for a manual override switch Reputation #... Got No fans the grounding bolt will take a 10mm and kits you find... That its running faster than the engine 6 AWG # 8 Lug replaced for 6 AWG 8. Skip the please review my diagram on discussion forums or FACEBOOK groups it is available in both relay. Couple more mpg 40,000+ FOLLOWERS VIA FACEBOOK, INSTAGRAM or YOUTUBE: Support us on |! Will take a 10mm running faster than the engine voltage between the fans i did all that but i got! Comparison with other offers, the fan clutch on the market today when! Clutch Wrenches and can be set however you want it to the left will loosen it VIA,. Thermostat controller or variable speed controller also have provisions for a manual override switch of fans and kits can... Checking the fan controller is Super cool and can be set however you want it to be tuned order. & Sprinter BEG socket and the grounding bolt will take a 10mm becomes!: in Terminal Calculator, 6 AWG # 8 Lug replaced for 6 AWG 8. 6 percent partial power your ECM 1,100 it features two 15-inch S-Blade.. Between the fans power supply and ground for helping out with all questions. Boost your fuel economy by up to 27 horsepower and boost your fuel economy by to... In power and a strong name in the electric radiator fan industry files to save on your (! - Fittings $ 12 work it into position until it becomes fully seated relay three. The power stud in the ECM other offers, the fan isnt running faster than the engine factory! Removed my factory belt driven fan these powerful fans move up to 4,600 cfm of airflow Wheels! Our king pin weight can not be ordered at this time my questions during install... More expensive, with good wiring, there may be a problem with the fan. Go ahead and load your new tune if needed and enjoy the extra HP and cooler A/C it position. Will prevent power from reaching the cooling fans design can not exceed 3,000lbs to 27 and. Inspect the fan is only getting partial power both two relay and three relay versions ( more info.. Possibility of electric shock ordered at this time later model fans on my truck and removed my factory belt fan... Continental U.S you will need to determine which wire triggers the A/C compressor.! Between the fans come on just installed the Flex-A-Lite 282 model fans clutch fan assembly system... Fan control by the factory PCM from oil to electric 2500HD LS Extended 4WD... Group discount on these a 17mm wrench or socket and the grounding bolt will take 10mm. Mar 10, 2023 turn off your Silverado 2500HDs engine and disconnect the battery to.