knocking motor

Asked by Jul 10, 2016 at 10:22 PM about the 1996 Chevrolet S-10 2 Dr LS Standard Cab SB

Question type: Maintenance & Repair

The bottom of my engine is knocking and I just put
in 10w40 motor oil. vehicle is 96 Chevrolet s10  
v6 4.3L....

3 Answers

Oil pump? ???


10w40 is a really thick oil, I've personally never seen a v6 that takes that thick of an oil. Usually the top of your oil cap will tell you what weight oil the engine takes and if it doesn't than you can look it up on line or a car parts store will tell you. But if it's a consistent knock from your bottom end than it could be a rod knock


Yes, check the oil pressure with a mechanical gauge.

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