Question about 1991 GMC S-15 Jimmy

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A LITTLE WATER BUILD UP ON INSIDE OF OIL FILL CAP

I HAVE A 1991 GMC JIMMY 4.3 THERES A LITTLE WATER BUILD UP ON INSIDE OF OIL FILL CAP WHAT CAUSES THIS

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  • Mike Butler
    Mike Butler May 11, 2010

    If coolant level not going down, I would ask this, does this vehicle mainly make lots of short trips?

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  • 112 Answers

It is start of blown cylinder head gasket, change it before you have engine over heat.

Posted on Jan 18, 2009

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1991 GMC Jimmy has vibration at around 50 MPH.


get your tires checked definitly sounds like a balance problem could be a bent rim also

Apr 06, 2015 | 1991 GMC S-15 Jimmy

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NOT LOSE WATER FROM RADITATOR ,NO WATER IN OIL ,JUST WATER COMING OUT OF MUFFER, WHERE WOULD MY LEAK COMING FROM?


Just little...? This is normal. Every time and first time start the car.
It build up moisture and go out of tail pipe. There is not more when it's hot. (This is normal) Don't worry.

mai lor

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Dec 01, 2009 | 1999 GMC Jimmy

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Has a random misfire. Found trouble code P0300 when put on the scanner


look inside the disturbutor cap and see if there is white build up on the points inside the cap. if so change cap rotor plug wire and plug. go from there.

Aug 14, 2009 | 1997 GMC Jimmy

1 Answer

Distributor


why, idk. Where, well the only way oil could be getting into you cap is if for some reason it's coming up the distributor shaft. I've worked on many distributor vechiles and NEVER came across this problem. But there is a first time for everything.

Jun 14, 2009 | 2001 GMC Jimmy

1 Answer

CONDASATION IN BOTH VALVE COVERS


sounds like you have a bad pcv valve or a more unlikely a head gasket about to go out

Jan 18, 2009 | 1991 GMC S-15 Jimmy

1 Answer

CONDASATION ON INSIDE OF OIL FILL CAP


If it is milky it is coolant due to bad head gaskette.
If it looks like durt oil needs to be changed.
You can also check the oil dip stick fo deposition.
Please let me know if you need more info. I am here to help
Good Luck

Jan 18, 2009 | 1991 GMC S-15 Jimmy

1 Answer

FEELS LIKE GETTING NO GAS


cHECK THE FUEL PRESSURE AT THE RAIL. iF LOW i WOULD CHECK THE INLINE FILTER AND THEN A POSSIBLE PUMP

Jan 09, 2009 | 1991 GMC S-15 Jimmy

1 Answer

My 2000 gmc van misfires in rainy weather then clears up.


Check the inside of your distributer cap, moisture will cause major problems. Start your jimmy and run water over and around your distributer, after awhile turn it off remove the cap and feel the inside for moisture...it might not be sealing right.

Dec 27, 2008 | 1994 GMC Jimmy

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