Quote:
Originally Posted by BigRedChevy  IIRC allison does not recommend a flush of any kind. Just change the fluid. | X2.  It could delaminate the clutches. If you want to do a complete exchange you can disconnect the trans. cooler return line and drain into a bucket. Just run the engine for 2-4 seconds, turn off and replace with new fluid. repeat until clean fluid comes out of the hose into the bucket. It will take about 5 gallons to do this.
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2007 GMC K3500 Classic LBZ/Allison, SRW, 4WD, Ext. cab,Sport Metalic Red, FS2500 bybass oil filter
Deep transmission pan/w Transynd
Cognito idler/pitman Arm Braces
EGR Blocked with Fingerstick
PCV Re-Routed, Fuel Filter Bleeder kit
MBRP 4" SS cat back exhaust
BD performance exhaust manifold
4Wheel Pop-Up Camper
AUX. input for my MP3 Player |