Oil leak top of the engine

Asked by apure27 Jun 04, 2019 at 04:40 AM about the 2002 GMC Envoy 4 Dr SLT 4WD SUV

Question type: Maintenance & Repair

Step one I cleaned my engine thoroughly...
Step two I opened it two days later and see
oil on the top left of the engine.
Step three I took all the air cleaner stuff off
the top of the engine I tightened all the bolts
around all the valve cover and spark plugs.  
Step four I cleaned it up again and checked it
all again I still see oil but I can not find where
it is leaking from...  Also new symptom arose
low oil pressure warning light came on but it
was full of oil when it did...  So now I have
something going bad and an oil leak that I
can't find...  Any suggestions that don't
involve me spending money at a shop to tell
me what is wrong...

1 Answer
11,575

FJ4072 answered 5 years ago

A few things to look at in that area. Check your VVT Solenoid located just to the right of the PS pump there. Check bolt tightness on black timing chain cover there with the blue gromments. Check the curly PCV hose (no valve) that goes from Plastic resonator (says Vortec on it) to valve cover, I can see it in the pic. Last thing, directly below the VVT/PS pump is the oil pressure sensor. It's located right above the oil filter. Change that sensor anyway since you had a bad reading. If it has oil on it, it's bad. Lastly, would love to see what the valve cover looks like with the resonator off. Doubtful, but when the valve cover gasket leaks, you'll have oil inside the spark plug holes. Doubtful it's filled up with oil to the top and spilled over, but check this anyway.

5 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • Oil leak top of the engine 1 Answer

    Step one I cleaned my engine thoroughly... Step two I opened it two days later and see oil on the top left of the engine. Step three I took all the air cleaner stuff off the top of the engine I tigh...

    2002 GMC Envoy 4 Dr SLT 4WD SUV

    -

    Maintenance & Repair

  • how do I get the ac to blow out of the front ac vents instead of the top and side defrost vents 4 Answers

    have a 2007 gmc envoy ac stopped blowing through the front ac vents and now it blows air through the top. and side defrost vents

    2007 GMC Envoy SLE-2 4 Dr SUV

    -

    Maintenance & Repair

  • Water got into cylinder from the top 1 Answer

    Was doing a tuneup on 4.2 straight 6, and when I removed cylinder 3 or 4, I heard water go into the cylinder. Now CEL is on and flashing and I got a P0300, no other code. New spark plugs, ignition ...

    2003 GMC Envoy 4 Dr SLT SUV

    -

    Maintenance & Repair

  • I have a problem with the oil watch 1 Answer

    The oil watch suddenly goes to zero when driving and I have to stop the engine and strate agian

    2006 GMC Envoy SLT

    -

    Maintenance & Repair

  • air conditioner only works part of the time 2 Answers

    air conditioner works and then stops blowing cool air. When this occurs i noticed the temperature guage in down at the zero level. coolant is sufficient

    2008 GMC Envoy

    -

    Maintenance & Repair

Shortcuts

Search GMC Envoy Questions

CarGurus Experts

  • #1
    FJ4072
    Reputation
    2,800
  • #2
    NITROGLORY1
    Reputation
    1,770
  • #3
    Ria Gonzalez
    Reputation
    870
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Trailblazer
8 Great Deals out of 1,121 listings starting at $18,495
Used Chevrolet Tahoe
20 Great Deals out of 904 listings starting at $11,900
Used GMC Yukon
19 Great Deals out of 915 listings starting at $1,225
Used Ford Explorer
87 Great Deals out of 2,048 listings starting at $2,999
Used Honda Pilot
45 Great Deals out of 1,256 listings starting at $4,495
Used Chevrolet Silverado 1500
195 Great Deals out of 5,967 listings starting at $2,975
Used Toyota 4Runner
12 Great Deals out of 309 listings starting at $9,700
Used GMC Sierra 1500
143 Great Deals out of 7,206 listings starting at $3,950
Used Nissan Pathfinder
39 Great Deals out of 1,370 listings starting at $3,995
Used Chevrolet Blazer
17 Great Deals out of 865 listings starting at $21,877

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.