Question about 1993 Chevrolet C1500

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Have a 1996 K1500 vortec engine seized up last week, used to drive it everyday. Took off the heads and found small crack on cilynder 5. Used marvel mistery oil let it sit for a couple of days and still engine is seized up, can anyone help?

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It spun a bearing on the crank. only way to fix the crack is possibly having a sleeve put in that cylinder

Posted on Jun 04, 2009

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Head gasket or intake manifold gaste again 96 k1500 5.7 vortec. starts runs idles and drives rough it likes to **** while trying to drive almost as if it wants to stall out. i put my scanner on it and


The website has software that looks for obscene words.
I would think a compression test would show if the cylinder is having mechanical problems. And yes the intake or head gasket could be leaking again, especially if the intake or head were warped or cracked.
Have you checked fuel pressure ?
Does the spark plug for cylinder 5 show signs of coolant leaking into the cylinder ?

Feb 09, 2013 | 1996 Chevrolet K1500

1 Answer

I have a 1998 chevy shortbed with a v8 vortec engine, i have water in the oil so im guessing a blown head gasket? i bought the gasket set should that be all i need?


Look the cylinder heads over very closely. GM had an issue with certain heads and the extended service anti-freeze they used. These heads would crack.
You want to look for discoloration in and around combustion chamber.
They also had an issue with gaskets and the anti-freeze.
Good luck

Jan 06, 2011 | 1998 Chevrolet K1500

1 Answer

Cloudy white smoke out of the tailpipe and smokes even more when I stop at a light or slow down


White smoke out of the tail pipe especially on '''warm''' weather usually means antifreeze/coolant leaking in to the cilynders. you may have a blown head gasket(cheapest to replace) and or a crack/warped cilynder head or crack block(not cheap) if the smoke its happening in '''Cold''' weather it could simply be condensation which is normal.

To find out exactly ,in a v6 engine ,simply take out the 2 middle spark plug (1 of each side) and crank the engine. If you see white smoke come out of either one thats where your leak is and you would go from there.

Note:

Just crank the engine '''Do NOT''' let the engine run for long without sparkplugs or catalyc converter damage may occur.in a 4 cilynder engine take out any center spark plug and see where the leak is

Aug 26, 2010 | Lexus ES 300 Cars & Trucks

2 Answers

I have a 1996 Chevy C1500 5.0L Vortec V8. I lost oil pressure and found water in the oil. Replaced oil and filter so we could start the engine again. Regained oil pressure, no noise, ran smooth, no bubbles...


next step is to remove the intake, you are on the right track, worse i ever found was a cracke block, but that was in a 61 t-bird which was repaired with jb weld ten yrs ago and still holding, but the intake gasket sounds right

Jul 19, 2010 | 1996 Chevrolet C1500

3 Answers

I own a 96 chevy k1500 5.7 l vortec and have a no 5 cyl misfire


It could be a faulty fuel injector, try running a fuel injector cleaner through your fuel system. At worst the poppet nozzle has gone bad and will need to be replaced, you can buy the poppet nozzle it self individually at Auto Zone or buy upgrade MFI system which is much better and less pron to fuel leaking room a cracked poppet line or nozzle which will cause what you have described.

Feb 03, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

I have two cilynder heads crack on my 1999 gmc suburban i but a motor from 1997 chevy van they both vortec are they the same cilyder heads


yes,as long as the years are the same ,or close,look for mounting brackets,and such to be the same,

Dec 09, 2009 | 1999 GMC Suburban

1 Answer

97 k1500 5.7 liter vortec misses on cylinders 3 and 5 while idling. about 1500 rpm only cylinder 3 and 4 miss then at 2000 rpm only cylinder 4 and 8 miss. what could cause this?


I have had continuous missing issues on my 1997 Silverado after i had a new engine installed 30,000 miles ago. Today I purchased a new gasket for the EGR Valve and removed it. The mechanic had re-used the old gasket when he replaced the engine and cut corners to save $2.00. I found he had installed the EGR bass-ackwards causing my check engine light to stay on and the engine always to miss. Engine runs GREAT now

Oct 14, 2009 | 1997 Chevrolet K1500

2 Answers

Chevy 1/2 ton 2wd 4.3 vortec rough idle tried everything I know


I had the same problem with my 96 Chevy 4.3. It idled rough enough to shake the truck at a stop. It revved up fine but sputtered on take off. My truck did not want to stay in overdrive because of the low rev. I changed cap, rotor, plugs, wires and this did nothing. Finally I took the intake off and found corrosion on the side intake gaskets near the rear of the engine causing a vacuum leak.

Oct 10, 2008 | 1996 Chevrolet K1500

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