× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2003 Chevrolet Silverado 1500 HD LS 6.0L 4-3 Down Shift
Posted to GM Transmission on 6/7/2010 6 Replies

upshift are all good with scan tool say trans in starting in 2 gear when its in 1 when it shift in to 4 it say that it in park nev when the truck down shift to 3 get a grinding noise that does not go a wait until it upshifts

6 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 1500 HD LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 HD LS

VIN 1GCHK29U23
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
Affected4-3 Down Shift
ConditionsDown Shift To3 Ginding Noise Until It Upshift
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 HD LS

VIN 1GCHK29U23
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
Affected4-3 Down Shift
ConditionsDown Shift To3 Ginding Noise Until It Upshift