How difficult is it to replace my valves.

1994 SATURN SL1
161,000 MILES
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DMARTIN321
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I ran the car low on oil and believe i burnt out my 1st and 3rd cylinder valves.I also took it to my post craft shop and ran a compression test reveling the 1st and 3rd pistons at 0. Thanks
Feb 18, 2012 at 4:06 AM
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DMARTIN321
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Just to add its a 94 saturn sl1 4 cyd. 1.9l
Feb 18, 2012 at 4:08 AM
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RASMATAZ
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Is this a dry and wet test-confirm by a cylinder leakage tests?
Feb 18, 2012 at 4:08 AM
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BILLYMAC
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well not anymore complicated then any other overhead valves remove the cylinder head and bench it replace the valves .
Feb 18, 2012 at 4:10 AM
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DMARTIN321
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not sure ras
Feb 18, 2012 at 4:13 AM
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RASMATAZ
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Lets find out and report back asap
Feb 18, 2012 at 4:17 AM
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DMARTIN321
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we removed the spark plugs and and tested the pressure with a gauge while i tried turning the car on if that helps
Feb 18, 2012 at 4:20 AM
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RASMATAZ
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Get a cylinder leakage test this will tell you more
Feb 18, 2012 at 5:34 AM
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SATURNTECH9
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If you have 0psi compression that would be the valve not rings unless the piston had a chunk missing or wasnt going up and down.Ethier way the head has to come off.Those heads are easy to pull and disassembly.
Feb 18, 2012 at 4:21 PM
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MARTY7272
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I'm answering for dmartin321, we did both a wet and dry compression test. It all started when his timing sprocket shattered. We have removed everything and replaced the 2 sprockets, tensioner and chain with a new one. I'm afraid when is shattered it damaged the valves. Again 0psi on cylinders 1 and 3. Thanks
Feb 18, 2012 at 5:19 PM