93 Chevy C1500 Motor Problems

Asked by Mar 20, 2016 at 02:00 AM about the 1993 Chevrolet C/K 1500 Cheyenne Extended Cab RWD

Question type: Maintenance & Repair

I have a 93 Chevy C1500 4.3 engine the motor was
making loud popping and sqeaking noise i started
to drive and heard a loud pop backed up parked for
out and under the car rear end of motor oil just
poured out what could be wrong?

2 Answers

105,475

Sounds like it threw a rod cap through the oil pan. You will have to get under it to verify but it will be obvious.

375

Yes, tennis shoes may be right, or you have had a valve drop and detonated a piston, which could give the same results, this can be verified also by removing plugs individually and checking for damage to electrode or excessive oil on plug, or by using a compression tester if you can crank the engine at all, chances are if piston shattered the rod may lock under a cylinder wall and heavily damage your engine block. Just another possible scenario.

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