3.1L V6 Chevy overheat issue
3.1L V6 Chevy overheat issue
had a CO2 test that came back positive - this after changing thermostate, heat sensor, water pump and radiator flush and new radiator cap. Had the intake manifold changed/replaced about 3 years ago. Does some one feel that the entire engine needs to be rebuilt or replaced or does some one feel that perhaps re-doing the intake over.
Re: 3.1 overheat issue
With a positive on that test, either you have a headgasket problem or the intake is leaking again.
Inspect the rear spark plugs to see if any signs of burning coolant.
Inspect the rear spark plugs to see if any signs of burning coolant.
Re: 3.1 overheat issue
interesting - when i changed plugs and wires this summer as a result of missing out, i notice that one of the wires were fried on the back side, and since i replaced the wires the missing out issue disappeared. I'll double check the back and see if there is any indication as such. I havne't noticed any leakage like the last time, however when I rev up the engine the top hose colapses. Thanks, I'll let you know.
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