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Stuck Subframe bolts, what do you guys do?


Dark Ride

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I busted my 6-point 15mm socket with my breaker bar today on the first subframe bolt I tried. What do you guys use when you come across seized up subframe bolts. I really don't wanna screw these up.

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I use my impact gun..

 

other than that, get a quality socket and a bigger breaker bar.

 

your subframe bolts are 15mm?? Musta been an early gen 1 thing. As I know my 95 and 96 cutlasses are 18mm

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I busted my 6-point 15mm socket with my breaker bar today on the first subframe bolt I tried. What do you guys use when you come across seized up subframe bolts. I really don't wanna screw these up.

 

I just bought a 15mm impact socket from advance auto today for something like $6. If you can break an impact socket...damn.

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88-93 use 15mm

94+ use 18mm

94 lumina?... uncertain...

 

 

you should try to get access to the back side of the bolt and spray it with PB Blaster. Is it the front or rear?

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The Impact socket with the big breaker bar worked well, thanks. I tried using an impact on all four to start, and I got two that way, but the driver's side was really seized, at one point I was sure I had sheared them off, but I got really lucky.

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You're lucky they came out and didn't break the welded nut off the back. Then you REALLY have a problem.

 

 

Thats what happened to me a few months back. I ordered a new nut from the dealer and just recently got mine replaced. I hope to never fo that again! lol Mine was the driver rear and I cut through the floor from inside and replaced it.

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