1987 Gmc Truck Does V30 4speed Dump Jump Out 3rd Gear
1987 GMC TRUCK
185,000 MILES
ANONYMOUS
MEMBER
1 POST
Why does my GMC V30 4speed Dump truck jump out of 3rd gear.
Nov 24, 2012 at 10:30 AM
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ASEMASTER6371
✓Experienced Mechanic
52,796 POSTS
syncro is bad and must be replaced.
Roy
Nov 24, 2012 at 10:31 AM
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