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Exhast front removal

Tiny
TSCHELL
  • MEMBER
  • 1994 TOYOTA CAMRY
  • 2.2L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 280,000 MILES
My front exhaust sprung a leak. I noticed a gap between my manifold and pipe so I bought a gasket to replace old one. There are three nuts that hold it together when I was under the car it was only held on by two nuts. I can't get them off and the one that was missing s nut got a replacement one and I can't get it to go on. Why?
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Monday, February 11th, 2019 AT 5:21 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
Hi and thanks for using 2CarPros.

Chances are the ones you are trying to remove and can't are rusted in place. What I would suggest is getting a good penetrating oil and spray them down a couple times, waiting about ten minutes between doing it. Then, get a good 6 point socket and a breaker bar so you have extra leverage to get them loose.

Now, if there is a lot of resistance when they are coming off, loosen them a couple turns and then tighten the nut one turn. Do this back and forth until the nut is off. Also, spray them a bit when doing this. By doing it this way, you have less chance of breaking them because of dirt and rust

As far as not being able to get the new one on, confirm the threads on the stud are in good condition. Also, make sure the replacement nut is the correct size and thread pitch.

Let me know if this helps.

Joe
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Monday, February 11th, 2019 AT 5:56 PM

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