exhaust manifold

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
helpmeswapmyengine
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Joined: Fri Sep 17, 2010 9:59 am
Car: 1991 nissan 240sx

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i have a 91 240sx and can't get the exhaust manifold off, i tried to drill out the bolts but could not get the drill up in there and they are too rusty to just take off. can anyone give me advice on how to get them off?


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badbob2121
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Car: '92 Nissan 240SXS13 Hatch ELLIS JUAN
'12 Ford Mustang GT RTR
Location: St. Louis

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wd-40?

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OutToWinPAHC
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PB blaster, more pb blaster, proper socket and a breaker bar?

helpmeswapmyengine
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Joined: Fri Sep 17, 2010 9:59 am
Car: 1991 nissan 240sx

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i don't wanna sound dumb but what's a breaker bar?

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asoomal
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First lightly tap them with a hammer and a punch or a drift, and then SOAK them with PB blaster. YOu can also try using compressed air and blast it with ice.

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I wouldn't use it though, you might break them.

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OutToWinPAHC
Posts: 8810
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Car: 2015 Chevy Silverado
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helpmeswapmyengine wrote:i don't wanna sound dumb but what's a breaker bar?
A socket wrench fixed or ratchet that's like 2-4 foot long.

helpmeswapmyengine
Posts: 14
Joined: Fri Sep 17, 2010 9:59 am
Car: 1991 nissan 240sx

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i don't care about breaking the bolts a new engine is going in

helpmeswapmyengine
Posts: 14
Joined: Fri Sep 17, 2010 9:59 am
Car: 1991 nissan 240sx

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thanks for all the help guys

sandcrabsailor
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Car: 1993 240sx SE HB
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Take pics, keep us posted.
Good luck.
Another way to cheat if you don't have a breaker bar is to use anything that will increase the length of your wrench (ie a pipe that fits over the handle or another wrench) and be gentle as you torque it off. Doing this will greatly increase your available torque without increasing the effort you put into it.


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