duramax overheating
I have a 2005 duramax and have had a little overheating problem . I think I read in the Trailer life magazine that there was a guy who put a different radiator hose on his truck and it took care of th...
Forum Discussion
edbehnke wrote:
just talked to my neighbor who has a '05 duramax.
1. change out air filter to a cold air intake (per his dealer)
2. he added a manaual electric fan in front of his cooler
3. keep in tow haul mode
4. he also said that if you keep the tow haul mode button in that it keeps you in 3rd gear. interesting, didn't know that.
5. he also added a mister
6. added a coolant into the radiator coolant
he said he solved his over heating.
tow haul mode does NOT, repeat Does NOT keep the vehicle in 3rd gear.
Tow haul raises shift points, and locks up the torque converter full time in 2nd-5th gear. And it enables the grade brake operation. Does NOT limit the gear selection. it will shift from 4-5 at about 55 mph.
If you hold in the tow haul mode button for several seconds the "overdrive" symbol on the dash will come on with a slash through it. It locks out 5th gear. You can do this independent of tow/haul mode. Believe me, you don't want to drive on the highway limited to 3rd gear.
