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Blown engine dilemma......

Discussion in 'Off-Topic Discussion' started by Tracker, Apr 4, 2017.

  1. Apr 4, 2017 at 2:21 PM
    #1
    Tracker

    Tracker [OP] New Member

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    Shane
    Colorado, Denver Burbs
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    Pro Comp Lift, towing mirrors, Fuel rims, Toyo A/T, Nav, Viper remote start
    I just don't know what to do. I have a 2003 GMC Envoy with 90k miles on it. The oil ran low causing a severe knocking. We took it in and spent $2,400 on differential seal, tranny flush, oil change and some little stuff. They said let the new oil work with Lucas oil additive. Well it got worse the next day. Now they say $3k to tear engine open and diagnose or new engine for $8,200. The Envoy looks brand new and is loaded but probably only worth $6-8k running. So I lost $2,400 and now have no trade in for a new car Any suggestions?
     
  2. Apr 4, 2017 at 2:26 PM
    #2
    COMiamiFan

    COMiamiFan SSEM #3. Don't forget to try the search bar. #PSL

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    Donate and claim as tax deduction next year and use return to get something else?
     
  3. Apr 4, 2017 at 2:37 PM
    #3
    xj2202009

    xj2202009 New Member

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    Lutz, Fl
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    looking to replace factory Radio with a pioneer avix588bhs
    Go to GMTNation they can help...seems a lot of $ for simple work. I had my trainny rebuilt, servo upgrade and new trainny cooler put in all for $2k
     
  4. Apr 4, 2017 at 2:41 PM
    #4
    xj2202009

    xj2202009 New Member

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    Lutz, Fl
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    looking to replace factory Radio with a pioneer avix588bhs
    Inline 6 is a really hard engine to kill..I know they are know for the exhaust manifold to become lose and might cause knocking
     
  5. Apr 4, 2017 at 4:59 PM
    #5
    bobeast

    bobeast really old member

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    The cost to repair exceeds the value of the vehicle which effectively renders it worthless. Time to cut bait. Either that or start shopping around for a used engine.
     
    Wynnded likes this.
  6. Apr 4, 2017 at 5:24 PM
    #6
    Tracker

    Tracker [OP] New Member

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    Its not that, its very loud like a rod slapping around inside
     
  7. Apr 4, 2017 at 6:10 PM
    #7
    Rngr188

    Rngr188 New Member

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    Damn bud, I just traded a 2007 Envoy Denali with the 5.3L V8 that had only 67k miles a week ago for my new Tundra. Retail was around $11.5k they gave me $8.5k. I would've sold it in a heartbeat if I had a buyer but didn't want to go through the hassle.
     
  8. Apr 4, 2017 at 6:39 PM
    #8
    xj2202009

    xj2202009 New Member

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    Lutz, Fl
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    looking to replace factory Radio with a pioneer avix588bhs
    I would just buy a used motor.. Specially the inline 6 I have seen go as low as $400
     
  9. Apr 4, 2017 at 6:40 PM
    #9
    ColoradoTJ

    ColoradoTJ So there I was.... Staff Member

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    Well Shane, the 4.2L motor was a problematic one with engine sludge issues among other problems.

    The way I see it, buy used motor with warranty, do a R&R and sell it, find a reman'd motor and do the R&R and keep it, or pay a shop big money for a motor removal and replacement and have more into a vehicle than its worth.

    Personally, I would go with finding a used motor and dump it.
     
  10. Apr 4, 2017 at 7:25 PM
    #10
    MotoTundra

    MotoTundra The Ocho

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    That's an unfortunate spot to be in. What do you think you could get for a trade?

    Have you tried any other places? $8,200 seems high for a motor and swap.
     
    ColoradoTJ likes this.
  11. Apr 4, 2017 at 8:39 PM
    #11
    landphil

    landphil I can’t be serious.

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    Lots of used 4.2L's on ebay for under $1K, but I'd try find one at a reputable wrecker close to you.
    Agree 100%
     
    Crewmax Chris, 1UPPER and ColoradoTJ like this.
  12. Apr 4, 2017 at 9:21 PM
    #12
    FlashCulprit

    FlashCulprit ColoradoTJ's whipping boy/Gino's illegitimate son.

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    Way to high for a GM block/engine... There's a lot of options. But I'm with @ColoradoTJ on this one.
     
    ColoradoTJ likes this.
  13. Apr 5, 2017 at 1:50 AM
    #13
    ColoradoTJ

    ColoradoTJ So there I was.... Staff Member

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    The cost is usually the labor of removing and installing.

    When customers would come in with dead cylinders, I would see grown men cry. A remanufactured 24V Cummins was 4400.00 plus 26 hours R&R at shop rate (100-140 hour). A common rail diesel motor is even more.

    I looked into motor replacements for my Tundra. Holy hell I made sure the oil changes were done by me and correctly. I was seeing 100-140k mile motors going for over $5k. I don't know what book time is on that with the Tundra for R&R.

    Same with my current truck. Hell, the upgrade from gas to diesel is 10000.00.

    I couldn't find a LML duramax motor, but here is a lightly broke in 180k mile LB7 motor for 4500.00.
    http://m.ebay.com/itm/142327001799?...93&_trksid=p2385738.c100694.m4598&_mwBanner=1
     
    MotoTundra likes this.
  14. Apr 5, 2017 at 3:48 PM
    #14
    bobeast

    bobeast really old member

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    26 hours seems pretty steep for a motor swap. Back in the day, I could do it with a weekend and a six-pack. Have things changed that much?
     
    ColoradoTJ likes this.
  15. Apr 5, 2017 at 4:01 PM
    #15
    ColoradoTJ

    ColoradoTJ So there I was.... Staff Member

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    To remove the Cummins motor from a Ram truck is not easy. I thought the same thing. Remove radiator, front support, hood, the head needs to be removed first, shoe horn that out. Disconnect motor and pull. It is pretty time consuming. My friend could do it in way less time (as most mechanic can). That was just book time.

    Same sequence when installing except for the head torquing.

    I'm pretty sure it was 26, but I may have been mistaken for 22.

    Crazy huh? Back in the day we could pull a chevy V8 pretty quickly.

    Now for shop time on some trucks, just to get to the motor is 4 hours for cab off and another 4 hours cab on.
     
  16. Apr 5, 2017 at 5:01 PM
    #16
    bobeast

    bobeast really old member

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    Crazy indeed. As you get older you have more money to pay for labor, and less muscle to do it yourself. I suppose there's a nice symmetry to that. My days of running out to rent a cherry-picker are long gone.
     
    ColoradoTJ likes this.
  17. Apr 5, 2017 at 6:10 PM
    #17
    ColoradoTJ

    ColoradoTJ So there I was.... Staff Member

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    100% the reason you own a Tundra so you don't have to sweat that crap.

    :mudding:
     
    T-Rex266 and bobeast like this.
  18. Apr 5, 2017 at 7:15 PM
    #18
    ColoradoTJ

    ColoradoTJ So there I was.... Staff Member

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    So I did a little research on this, 26-30 hrs is about right...:eek:

    Motor cost for a 6.7L Cummins

    http://www.dieselpowerproducts.com/...-engine-long-block-and-all-related-parts.aspx

    Short blocks are cheaper of course.

    Shane's motor would be much easier to R&R if he wants to go that route.
     

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