new manifold
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Senior User
Joined: Oct 2007
Posts: 264
Likes: 0
From: Scottsdale, AZ
new manifold
whats the best way to change my passenger side manifold i have heard the bolts break off very easily i was goin to use some really good penetrating oil and let it soak over night before i change it any ideas?
Fleet Mechanic
Joined: Mar 2004
Posts: 1,398
Likes: 17
From: Hesperia, CA
Most of the 460's have a heat shield on the passenger side for the hot air intake and that creates a lot of heat build-up on the manifold. This contributes to the frozen bolts on that side. The PB Blaster helps, but I like to pound on the bolts to try to loosen them up before putting the wrench to them. You might try working them back and forth as well. Some guys have reported excellent result using an impact wrench on a lower setting. The hammering action of the impact wrench seems to help loosen the bolts.
