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Bill,I have a 1987 GMC 1500 4.3 w/5speed--4th gear is. 1988…

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Bill,I have a 1987...

Bill,I have a 1987 GMC 1500 4.3 w/5speed--4th gear is

Mechanic's Assistant: What is the complete model and serial number of your machine?

1988 gmc 1500 ser#2GDC14Z5J1199334 4.3CI with 5 speed that has a bad 4th gear--when cold works but not when hot--Has Torq-Gard JD oil in it

Submitted: 10 months ago.Category: GMC
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Answered in 15 hours by:
10/5/2017
GMC Mechanic: mike switzer,
 replied 10 months ago
mike switzer
Category: GMC
Satisfied Customers: 752
Experience: lead diagnostic tech at Aamco
Verified

does it not want to shift into 4th when hot? or does it scratch?

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