2000 Chevy Truck transmission wont down shift

Tiny
LCROSMAC
  • MEMBER
  • 2000 CHEVROLET TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 146,000 MILES
I have a 2000 chevy K3500 truck with a 7.4L engine it had a blown head gasket, we fixed that. Now ti won't down shift when going down the road. What could be casuing this?
Saturday, March 27th, 2010 AT 11:47 PM

1 Reply

Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
When you were doing the head gaskets you could damage the wiring loom going to the transmission, double-check your work make sure you have all the connectors back together and that you have not damaged wiring loom
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Tuesday, April 6th, 2010 AT 11:50 PM

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