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  1. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    I've had good luck with unplugging my connectors. I always push them together before pressing down on the release. Maybe give them a few wiggles before anything, and if there's grit that might block the release hook, I'll spray it with brake or electronic cleaner. Maybe even follow with a...
  2. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    Probably on the fuel filter, definitely on the bypass hose, maybe on the PHH. I didn't think the PHH was that hard. Remove the knock sensors so you don't break their connectors like I did. Use a reversible ratcheting wrench to remove the (upper?) bolt for the PHH tube (hardest part, by far)...
  3. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    You'll want to pull the upper intake, clear all the carbon out, replace all the vacuum (and one coolant) hoses, and test the VSV and vacuum check valve. Guitar string can help with clearing the passages, but just soaking in Simple Green for a few hours did most of the work for me. There's a...
  4. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    @avdeveloper I partially skimmed the thread and didn't see any evidence that you've pulled the throttle body and upper intake off for cleaning. Have you? There are a bunch of hoses under there *all* of which need to be replaced. There are several vacuum circuits all of which have to be in...
  5. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    Pull off those hoses and get to it. I dislodged quite a bit of grit from both heater cores using a hose. Not so much from the radiator, but on another vehicle, hoo boy it just kept spitting out more. I should've just replaced that radiator, in retrospect.
  6. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    I wouldn't do that. Just buy enough distilled water for two flushes (plus final fill if you're not using premix). Have you already blasted the radiator and heater cores with tap water from a hose?
  7. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    You can build your own, like @Kernal: https://forum.ih8mud.com/threads/crank-pulley-holding-tool-question.1194978/post-12931683 I made one slightly fancier, by cutting a disc with a hole in the center, drilling the two holes, and welding on some box-section steel. Easy project if you already...
  8. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    For the crank bolt, I recommend the Neiko torque multiplier. $239 on Amazon. Made in Taiwan. It specifies an error range, so adjust your torque wrench assuming that the multiplier is underperforming at the limit of that range. @nukegoat has made it clear that the crank bolt can take much...
  9. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    Not sure. If you search the forum, you'll find a TON of threads debating the merits of various radiators. Denso, CSF, Koyo, TYC, genuine Toyota, Ron Davis Radiator for the fancy lads, eBay Chinese aluminum radiators for the heathens...
  10. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    If the top of your radiator is plastic, and it's turning yellowish like that, then the plastic is extremely brittle. Same thing with the heater control valve. Sometimes the body of the valve looks okay, but when people try to pull off one of the hoses, the nipple just disintegrates and is...
  11. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    Well, yeah, there should be coolant in the overflow tank at all times. More when hot, less when cold.
  12. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    That sounds like the opposite of how it should work, minus the empty part. It should never be empty, to my knowledge. Coolant expands as it heats up, so you should have more in the overflow at operating temperature than when cold. In my opinion, replacing the radiator cap (with genuine...
  13. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    I wouldn't bother. I did the whole seafoam thing and all it did was create an enormous smoke cloud that scared my neighbors. When I pulled the upper intake it was still absolutely packed with carbon and all the walls were covered in carbon and blow-by oil sludge. Just pull the upper intake...
  14. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    Irrelevant to how banjos work.
  15. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    and a parts cleaning brush For really heavy buildup, I've had decent success with a Harbor Freight steam cleaner. I've put Simple Green or Purple Power (gross) in with the water for nasty areas. I've pressure washed my engine compartment many times. Only with a WIDE FAN setting, though, and...
  16. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    Are you disconnecting the intake tube from the air filter cover before trying to lift the air filter cover? Well, I suppose you sort of disconnect it as you lift the cover. The point being that you shouldn't try to bend the intake hose back in order to reach the air filter, like you can do on...
  17. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    I doubt that's going to be sufficient to remove the carbon. You don't literally need a bathtub, you just need a plastic tub.
  18. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    It's funny you should say that, because I just put some scrap aluminum into a plastic cup of undiluted Simple Green. I'll post results. I've definitely heard it before, and I'm not doubting that it can harm aluminum. However, I don't believe that a few hours of soaking the upper intake...
  19. gummycarbs

    Let's baseline my grandma's neglected, (20 year old to us) 1997 LX450

    I did the Simple Green soak, too. Put a plastic tub in the bathtub, dumped in a gallon of Simple Green, and added enough hot water to submerge the intake manifold. It probably soaked for around four hours in total. Every hour or so, I'd check on it and scrub it with a nylon brush. If you...
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