Recommended Maintenance
I have a 2011 Silverado 3500 SW gasser. I pull a 38’ FW. The truck has 75,000 miles, at least a third of that is towing. The only service I have done on the truck is regular oil changes, suspension/st...
Forum Discussion
If you able to do work yourself all you need to do with Allison transmission is change spin on filter and drain and replace transmission fluid with Transynd. Do Not let anyone power flush that transmission. The transmission pan doesn’t need to to be removed to replace internal filter...leave it alone
Allison is adamant regarding no power flushing of their transmission as well as no need to drop pan and replace internal filter unless over hauling
Also absolutely no reason to replace the serpentine belt idler pulley... waste of money to do this unless there is an issue... Serpentine belt should not need replacing this early.
Be sure to replace radiator antifreeze with ONLY Dexcool unless you want clogged radiator and heater core issues..
Allison is adamant regarding no power flushing of their transmission as well as no need to drop pan and replace internal filter unless over hauling
Also absolutely no reason to replace the serpentine belt idler pulley... waste of money to do this unless there is an issue... Serpentine belt should not need replacing this early.
Be sure to replace radiator antifreeze with ONLY Dexcool unless you want clogged radiator and heater core issues..
