Toyota 1KZ-TE

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So friend have a problem with 97 LC with 280k km. Truck was bought only few days back, in good general condition, original mileage (confirmed by our reg department). Lift kit, snorkel, big tyres, winch. All new equipment, never used, guy sold the truck because of newborn on the way.

Couple of days in friend's ownership truck suddenly lost power, CEL is on, very noisy( he said top end, but I haven't heard it personally), lot of smoke. Noise starts few moments after startup. My guess is either failing injector or timing off but these engines are really unknown over here.

Any ideas lads down under? Anything specific?
 
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A google search quickly reveals some lamentations about the head of the KZ. Toyota's recent diesels have been pretty substandard and problematic, which is surprising given the 'legendary' vehicles they're installed into. It's relative, the KD engine, are well known for regular injector/seal failures and blown engines as a result. Check oil for dilution, are the injectors leaking? Retrieve that code first. I'd bet it's injector seals, though.
As per one Toyota enthusiast "With regards to the seals. the main issue was that the copper washer was too thick and that usually the heat generated was too much for the malleable + thick washer causing it to leak. Normally people start experiencing issues after a big day out on the beach or toeing a big trailer..." followed by recommendation to change injector seals every 20K, and the revised seals every 40K. While it doesn't sound like it immediately, the KZ's are also known to crack heads due to (surprise surprise) improper thermal management in the head...
 
^ PP has diarrhea of the mouth with the Toyota hate. That's all his posts are lately. One trick pony.
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And yes... Ours had the same issue @300kkms...with a previous owner...heads crack at around those kilometers 250-300...I would say "but only if cooling system is/was neglected"...

So look after: cooler...flush it every 2-5yrs when you change your antifreeze....76C or even 70C thermostate (from LC120)instead of standard one with 82C....refurbish your viscous fan with new oil...alternatively put bigger exaust pipes to help cool down the engine
 
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Originally Posted By: SatinSilver
^ PP has diarrhea of the mouth with the Toyota hate. That's all his posts are lately. One trick pony.
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Please SS, dont take my posts personally, just because you drive/like Toyotas. I'm not trying to offend anyone, just trying to offer some much needed balance of perspective when I can. Objectively, we know new Toyota Diesels have major problems, pretending they don't doesn't help anybody. I hope you enjoy your cars and I bet you'll get great service from them.
 
Hvala fant!!. Si zaslužil jednu hladnu
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.

Good thing friend specifically avoided 2000+ Patrols because of cracked heads problems lol.
 
More da Ca, malo pocakulati uz biricu..

Will get back with the results when we figure out.
 
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''Legendary'' Toyota for sure, these things crack heads when the sun goes behind a cloud. Put whatever oil you like in them, but be fanatical about the cooling system. Check for a headgasket - geyser from the filler cap first. Leaking injector seals is a common rail problem, the old indirect injection engines don't really do that. That should have an electronic injector pump, so hard to get the timing wrong...these will just have a plug on top of the pump. If it has a diaphragm and lever on the pump you can set the timing with a dial gauge in the centre of the distributor head, special tool needed really, if it has a cold start device you'll need a 10mm spacer to bypass that. Otherwise injectors - they can make smoke, they can also cause knocking. What colour smoke ? White smoke is retarded timing or glow plugs, black smoke advanced, over fueling from bad injectors. Not in intake blocker, but check that, bypass the EGR, check airfilter etc.
 
Originally Posted By: Silk
That should have an electronic injector pump, so hard to get the timing wrong...these will just have a plug on top of the pump. If it has a diaphragm and lever on the pump you can set the timing with a dial gauge in the centre of the distributor head, special tool needed really, if it has a cold start device you'll need a 10mm spacer to bypass that. Otherwise injectors - they can make smoke, they can also cause knocking.


Youtube user B Darma has nice videos "how to"....unfortunately videos are disabled in this subforum?

https://www.youtube.com/watch?v=S4WontG4xrA

https://www.youtube.com/watch?v=qjDKJvVXUAc

https://www.youtube.com/watch?v=Xzws_H9z5Zg

P.S.: and dont forget to inspect/change a radiator cap.....I think its 0,9kPa
 
There was multiple problems with this LC, main was high pressure fuel pump. Injectors, turbo and some timing cover were changed also. It runs fine now.
Cylinder head was OK.

Owner, a good friend of mine, doesn't even want to talk about it. Very [censored].
 
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Originally Posted By: chrisri

Owner, a good friend of mine, doesn't even want to talk about it. Very [censored].


eh funny...
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I am in a process of excorcising all the rust out of mine (from the body....and the chasis also)
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Thats the first project

After that 2nd project it will be curing a backlash in the rear diff
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Do you know anyone that can do that for a decent price?
 
No wonder he is mad. A 9k Euro truck (for a 97!!) that needed 2k in repairs. Lol, Toyota tax at maximum.

Truck does have some nice aftermarket stuff.
OME suspension, ARB front bumper, fancy snorkel, wheels and tyres, bucket seats, etc. Body is in great condition for the year- it has been in Dalmatia and Kvarner for the whole service life. Some rust on a left side roof pilar, that got a scratch at some point from roof rack.

I can think a two , maybe three places who could do your differential. I'm not sure if they are cheap though. Krota in Buzet, a Jeep specialist with a good rep should do it no prob. A guy here in Rijeka just installed a Quaife LS diff in a Alfa gearbox. Perfect job. There's a third guy that mostly does oldtimers. He is slow and expensive . I could ask some fig for the first local guy. Krota is online (Buzet, Selca), call him.

I'm looking into a 4x4 too, Jeep Cherokee KJ, (liberty in USA), Terrano 2 LWB and Hyundai Terracan are in my sight.
 
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