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Travel_glampers's avatar
Travel_glampers
Explorer
Feb 06, 2020

2009 Silverado 3500 HD Duramax LMM overheating

I have the above truck towing a 14,000 pound fifth wheel. When the truck was new, it overheated going up to Eisenhower Tunnel (11.000+ feet) in June. Both the engine and transmission (Allison) tempe...
Tow Vehicles
larry_barnhart's avatar
larry_barnhart
Explorer
Feb 07, 2020
107000 miles on our 05 duramax and no heating problems on ours and it was an Oct 04 build. You are correct many have. looks like our 05 has been better for us than your ford from the repairs you mentioned. Miles will bring on issues as you have said. Towing days will end when we ever get home again. Might just keep this truck to enjoy it in the garage. Happy towing everyonne. Chevman

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