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2001 Silverado Exhaust Rattle

Discussion in 'Trucks and Trailers' started by blythefieldacreslawncare, Feb 24, 2014.

  1. blythefieldacreslawncare

    blythefieldacreslawncare LawnSite Member
    Messages: 94

    so my only choice is to buy another cat for $300?
     
  2. Patriot Services

    Patriot Services LawnSite Fanatic
    Messages: 14,353

    It probably won't run right without cats.


    Whiffy you sure can tell a bad ujoint by turning the shaft back and forth and feeling for slop.
    Posted via Mobile Device
     
  3. whiffyspark

    whiffyspark LawnSite Fanatic
    Messages: 6,497

    Not always.

    Better to pull it apart and check by hand
    Posted via Mobile Device
     
  4. blythefieldacreslawncare

    blythefieldacreslawncare LawnSite Member
    Messages: 94

    Yeah I turned back and forth and they were fine, no slop or what not.
    Why wouldn't it run right without cats?
     
  5. Patriot Services

    Patriot Services LawnSite Fanatic
    Messages: 14,353

    If you have two O2 sensors then the computer will not be able to compensate for the new readings without a converter.
    Posted via Mobile Device
     
  6. blythefieldacreslawncare

    blythefieldacreslawncare LawnSite Member
    Messages: 94

    Ok gotcha.. Thanks for your help with this
     
  7. whiffyspark

    whiffyspark LawnSite Fanatic
    Messages: 6,497

    You can delete the cats but you'll need truck tuned. That's another $300 on top of materials to delete.

    So it's a wash.

    Take it to a shop and have them make sure it's the cat. I use a rubber dead blow to find rattles
    Posted via Mobile Device
     

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