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Arench, Master Technician
Category: Chevy
Satisfied Customers: 1490
Experience:  30-years experience auto and truck repair.
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What are the timing marks for a 1995 gmc sonoma 4.3 vin w?

Customer Question

What are the timing marks for a 1995 gmc sonoma 4.3 vin w?
Submitted: 8 years ago.
Category: Chevy
Expert:  Arench replied 8 years ago.

I'm asuming you are talking about the ignition timing rather than the timing chain here.

Disconnect the timing advance connector under the glove box. Look for a tan with black stripe wire single wire connector. Set timing to zero with warm engine at idle. Remember to reconnect the timing connector when you are done.