Hi gang. Need a bit of help on this gm van. Came in with customer saying trans gives a jolt once in a while. They forgot to mention that the speedo is reading up to 25 before I'm out of my lot, & at 95-100 mph when actually going maybe 30 mph. Shifts are stack...

FIX posted 9/8/2009

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle