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Exhaust Leak

Thread in 'Maintenance / Service' started by blksn8k, Jul 20, 2017.

  1. blksn8k

    blksn8k Well-Known Member 2nd Gen Owner V8 Engine

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    Joined:
    May 24, 2006
    Location:
    Pennsylvania
    Had to change the exhaust flange gasket between the downpipe (Y-pipe) and intermediate pipe. Only took about an hour and a half. Craziest part was that none of the local auto parts stores stocked the gasket or the bolts and springs so I had to order the parts from Autozone and have them delivered to the house. The gasket is Walker p/n 31658 and the bolt/spring kit is Walker p/n 36129. If you do this repair I highly recommend getting new bolts and springs as the first one I tried to remove snapped off. You will also need a pry bar to hold the pipes apart while sliding the new gasket into place. I placed the pry bar in the rubber hanger closest to the joint. The old gasket had completely disintegrated at 143k miles.
     
  2. TrainTrac

    TrainTrac Well-Known Member 2nd Gen Owner 2 Wheel Drive V8 Engine

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    Location:
    Mahomet, IL
    :supercool:
     
  3. Igor Smetaniuk

    Igor Smetaniuk Active Member 1st Gen Owner V6 Engine

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    Joined:
    Apr 21, 2011
    Location:
    Glen Spey, NY
    I had luck sometimes by heating the bolts until they were glowing red and they'd come off that way. Other times, I'd just cut them off.



    The last time I had to replace my exhaust, the ears of the flange for the bolts were basically rusted down to very little meat to hold anymore so I found a two-piece bolt-on flange that Walker sells also. Ground down what was left of the others and the two-piece flange put me back in business.
     

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