Cat c15 questions

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Thetrashnoob, Mar 4, 2021.

  1. Thetrashnoob

    Thetrashnoob Light Load Member

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    3266BA7F-2027-4061-AB78-D15F5E24AD93.png I’m looking at buying a 00 w900 that has a c15 in it. Truck has 700k on it, rebuilt 30k ago with papers not cat dealer but a diesel shop. In the pic below. Does it look like it’s leaking oil already?
     
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  3. Dave1837

    Dave1837 Medium Load Member

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    That's the air compressor, looks original. Probably blew a gasket somewhere. Most of the C15's I ran had Bendix replacement compressors on them so it must be a common problem
     
  4. 062

    062 Road Train Member

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    The pic brings up a few questions.
    Why didn’t they paint the head?
    Part of the oil is baked on,was it like that at rebuild?
    If they cut corners on small stuff,did they cut corners elsewhere ?
    A good shop will give a itemized bill right down to how many and what size zip ties they used. Do they have that or does it say “gold kit $xxxx labor $xxxx”?
     
  5. AModelCat

    AModelCat Road Train Member

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    Rebuild is subjective. To me, rebuild is everything. To others its just 6 new cylinders and bearings.
     
  6. Thetrashnoob

    Thetrashnoob Light Load Member

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    It has about 30k on the rebuild, but that oil looks like it’s been there a while. It wasn’t a cat shop who did it. I’m waiting to get the paperwork on the engine. I found another truck an 05 with a c15 as well, but the guy rebuilt it himself. Replaced heads and tons of parts, but he did it himself not a shop so it’s a big scary. I’ll see what kinda paperwork the first guy has and update this post.
     
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  7. 062

    062 Road Train Member

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    I know a couple “old school” mechanics that they will write up a bill with the minimum amount of information as possible and do good work. If you know the reputation of the shop it may be ok. If not let your conscience be your guide.
     
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  8. Thetrashnoob

    Thetrashnoob Light Load Member

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    The rest of the truck is in okay shape, but it’s not a cat shop who did it.
     
  9. Don379

    Don379 Light Load Member

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    It’s leaking becuase they went the cheapest route possible to rebuild it. That’s not a 30k dollar cat rebuild. I have a friend that bought a truck rebuilt by a shop. None of the seals were replaced anywhere it seems like. I question the parts in it as well. Never repainted any of the parts while off the motor either.
     
  10. Thetrashnoob

    Thetrashnoob Light Load Member

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    Not a 30k cat rebuild but they sent me the paperwork, it was 25k I’m starting to see flags so think I’m going to pass.
     
  11. dirthaller

    dirthaller Heavy Load Member

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    I would have to see for myself. With that said.....If a $500 air compressor and no paint on the head, a little arbitrary paperwork scares you away, you have a lot of painful lessons to learn!
     
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