Blown head gasket

2002 PONTIAC MONTANA
147,000 MILES • 3.4L • 6 CYL • 2WD • AUTOMATIC
Avatar
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 11:39 PM
Advertisement
Avatar
STEVE W.
  • CERTIFIED EXPERT
  • 15,113 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 12, 2017 at 12:21 AM