How to replace the valve cover gaskets?

Tiny
VANESSA ADDINGTON BRANDT
  • MEMBER
  • 2002 TOYOTA HIGHLANDER
  • 3.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 250,000 MILES
I'm replacing the valve cover gaskets and I watched your video for the spark plugs so that has helped. Please explain what to remove to get the back valve cover off.
Wednesday, January 4th, 2023 AT 9:42 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 POSTS
Hello,

You must remove the air filter and intake tube and any brackets or hoses that block access to the valve covers. Then remove the ignition coils and then the valve cover mounting bolts. This generic guide can help walk you through the steps, but you will need to remove the upper intake manifold, make sure you replace the upper intake gasket as well. I have included diagrams below that will help show where to apply the gasket sealant.

https://www.2carpros.com/articles/replace-valve-cover-gasket

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.
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Thursday, January 5th, 2023 AT 10:21 AM

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