Question about 1997 Chevrolet S-10 Pickup
My 98 S10 2.2 2WD lost its drive belt with resultant loss of power steering. My son was driving and was only 3 miles or so from home, so drove it home. In the driveway, it was overheating but not horribly. I did not hear it running. Got new belt and it cranks but it will not start even with stsrter fluid. Have fuel pressure of 44-45 psi on the fuel rail. Compression is only 30-40 in front 3 cylinders, 90 in rear cylinder. Comp. improves to about 60 in front 3 after I add a few squirts of oilin the spark plug holes, rear cylinder stays 90-100. All valves & lifters working when I took off the valve cover. Can my timing be thrown by the belt loss, resulting in valve bend/damage? Ran well prior to this, no speedster but dependable. Just rebuilt my wifes jetta after bad timing belt caused valve damage and don't want to do it again on this one. I'm not great at evaluating compression readings, how do you tell if it's valves or rings leaking? Thanks for your help, this site is incredible!
Hi I am Vortash sorry to hear of your problem .. Kids lol got to love em ? lol .. sorry to say but the compression readings are far too low minimum should be 140 to 150 psi per cylinder .
now you say it was the power stering belt that went , this on it's own should not have caused overheating at all unless the water pump is also driven by this belt ? then I am afraid it is possible you cooked your head .. you will need to have the head removed and pressure tested for cracking .. there should be no damage to valves as the timing belt did not break .. so therefore the pistons would not have hit the valves at all unlike your wifes car .. again got to love em lol ?.. But this test will determine if the heat has damaged the valve seats .. you will probably have to have a couple of thou machined off the head and a new gasket .. My advice is to obtain the Haynes Manual for this car it will tell you the best way off dissmantling and reassembly and save you time and money .. hope this helps regrads Vortash
Posted on Jul 13, 2009
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Posted on Jan 02, 2017
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