Report from mechanic on new purchase LX450 150,900 miles

Discussion in '80-Series Tech' started by mreedbmwm3, Nov 13, 2017.

  1. mreedbmwm3

    mreedbmwm3

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    Hi guys, man have y’all put the HG failure fear into my new purchase. LOL

    Dropped the LX yesterday and had compression tested:
    1. 200
    2. 198
    3. 191
    4. 188
    5. 190
    6. 190


    Going to do the following:
    New heater valve: $121.84
    Replace rear main seal: $857.30
    Replace air boot and other misc. parts: $295.65
    Replace seat motor: $371.61

    Needs new antenna mast :$225, going to hold off
    And New hood shocks: $109.94

    He worked at Lexus of Tulsa for a long time and he said he only saw one HG failure do to the guy having a cracked radiator.

    What are you guys seeing as the main culprit, and do you recommend any PM to address the potential issue?

    Cheers,
    Thanks
     
  2. Cruiser804

    Cruiser804 SILVER Star

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    At the very least rebuild the front axle, replace the bearings etc.
     
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  3. allan man

    allan man GOLD Star

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    Make sure it aint the upper oil pan thats leaking before cracking open into the rear main seal
    Most of the times it aint the rear seal.
     
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  4. bhicks

    bhicks Supporting Vendor

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    Are you sure the seat motor is shot? Does it try to move but act like it's stuck? If so, the gear is probably shot on not the motor. It's a $15 part and about a 2 hour job to repair. There are plenty of threads on here about the seat repair.
     
  5. Kernal

    Kernal

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    Rear leak is very likely not the rear main, but the main oil pan arch seal; do a search using those terms.
     
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  6. Malleus

    Malleus

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    x2
     
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  7. inkpot

    inkpot SILVER Star

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    Heater valve is $40 ish at Rock Auto
     
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  8. inkpot

    inkpot SILVER Star

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    Antennae mast is about the same from dealer
     
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  9. mreedbmwm3

    mreedbmwm3

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    Luckily this has been done.
     
  10. bicycleagent003

    bicycleagent003

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    You could probably do a lot of that stuff if you're willing to spend some time on this forum and buy some tools. Not that you have to, but these trucks are spendy if you're paying someone else to work on it for you. Most people on this forum work on their own trucks.

    As for avoiding a HG failure, keep the motor cool. That means a new radiator cap, new thermostat, I would replace all the coolant hoses, including PHH, flush the entire cooling system (including the block drain plug on the DS of the motor), and if your radiator is original I'd just replace it. OEM parts are best for this stuff, though most use green Prestone rather than red Toyota coolant.

    I'd also recommend getting a Bluetooth OBD2 adaptor and using the free Torque app to get the actual coolant temp while driving. It's useful to know if you're running at 185-190 or already at 210.

    These are fun trucks, and this board is great. The search function will yield lots of tutorials on any of the subjects I listed here.

    Welcome.
     
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  11. tominboise

    tominboise

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    As mentioned I think 4 times on this thread, there are many places more likely to be leaking oil then the rear main. I'd start with the valve cover gasket and work my way down.
     
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  12. LINUS

    LINUS Waiting for the Great Pumpkin

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    HG seem to crap when a 80 is either swapped coolant poorly or they move to a cold climate from a relatively warmer area where that end of the motor never gave trouble before.

    Anymore since a HG is ~20% the purchase price of an 80, you might as well 'roll the dice' if you can, or get nutty if you wheel alone/out of cel coverage.

    More power to you if you get away not changing it.
     
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  13. mreedbmwm3

    mreedbmwm3

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    Hey thanks, BTW I’m rocking your emblem on my 200, bought it from you about a year ago!

    B439CAAD-4D27-4F0E-AE92-27CA2A8AB885.jpeg
     
  14. ajax1

    ajax1

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    Save yourself some money, replace heater valve on your own, all that stuff you listed can be changed on your own very easy, @beno can get ya parts way cheaper , if your worried bout head gasket change out all hoses and radiator keep fluid fresh , never over heat the truck , drive it I'm at 302k on original head gasket they don't go out as much as people say, don't buy into the mud madness
     
  15. mreedbmwm3

    mreedbmwm3

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    Thanks, I really appreciate it!
     
  16. bakolc80

    bakolc80

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    Good advise above.


    Doesn't sound like he knows these trucks well. Have him check the PHH, that will absolutely leave you stranded and create a damaging overheat issue.
     
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  17. shocktower

    shocktower

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    I don't think he turns wrenches o_O
     
  18. mreedbmwm3

    mreedbmwm3

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    LOL I've done my fair share. I'm just in a position that I don't have to today. When I was younger I had to learn to turn a wrench on my BMW. These days I'll turn one for fun. I'm super busy with wife, 6 kids, and work. I'm grateful for all the feedback I'm getting on here. Thanks guys!
     
    Last edited: Nov 14, 2017
  19. bhicks

    bhicks Supporting Vendor

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    Can I use your pic on my website when I release the 200 series products next year?
     
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  20. Desert Dino

    Desert Dino

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