Blown head gasket

2002 PONTIAC MONTANA
147,000 MILES • 3.4L • 6 CYL • 2WD • AUTOMATIC
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PAULAZNYOUNGAZ
  • MEMBER
  • 10 POSTS
When I replace the head gasket do i have to replace the valve and manifold gaskets too?
Sep 11, 2017 at 4:39 PM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,367 POSTS
Yes, all of the top end gaskets, valve covers, intake and exhaust manifolds at a minimum, will be coming off so you need to replace them with new. Once they are compressed they will not re-seal.
Sep 11, 2017 at 5:21 PM
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