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@Sd1975 have you downloaded the manuals for your truck? When doing this work it's really worth having a look at them. It details all this stuff. Toyota manuals are really well written and easy to follow. Good to ask people also of course. In addition to what Nas90tdi said, there is a little half moon rubber piece at the pack of the cylinder head if I remember correct. Where that meets the head needs silicone too. Make sure to clean off all the old silicone with a razor. Clean all the surfaces really well; wipe with brake clean.
How does a guy go about downloading the manual?
 
How does a guy go about downloading the manual?

- This is a Denso manual that explains in detail how the 2LTE electronic diesel works. It's an excellent read:

V 3 P5ZGR01.pdf

- These are the engine manuals for the L series engines. They do not cover the electronic injection system, but everything else is applicable to the 2LTE motor:

RM520E (Main for 2L, 3L & 5L engines)

Dropbox - 2L 3L 5L ENGINE RM520E.pdf

RM582E (Supplement for 2L, 2L-T, 3L and 5L engines)

https://www.dropbox.com/s/1joci2o0xtg6ujv/2L%2C2L-T%2C3L%2C5L ENGINE SUP. RM582E.pdf?dl=0

Here is the manual that covers the rest of the vehicle (RM183E):

_KZJ70_HZJ_PZJ_chassis_body.pdf

Another version of RM183E that is more complete (includes sections missing in the other version), but is a little mixed up:


Electrical Schematics for the Japanese 70 series (including LJ78):


2LTE pump specs:

 
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- This is a Denso manual that explains in detail how the 2LTE electronic diesel works. It's an excellent read:

V 3 P5ZGR01.pdf

- These are the engine manuals for the L series engines. They do not cover the electronic injection system, but everything else is applicable to the 2LTE motor:

RM520E (Main for 2L, 3L & 5L engines)

Dropbox - 2L 3L 5L ENGINE RM520E.pdf

RM582E (Supplement for 2L, 2L-T, 3L and 5L engines)

https://www.dropbox.com/s/1joci2o0xtg6ujv/2L%2C2L-T%2C3L%2C5L ENGINE SUP. RM582E.pdf?dl=0

Here is the manual that covers the rest of the vehicle (RM183E):

_KZJ70_HZJ_PZJ_chassis_body.pdf

Edit: I actually have a more complete version of the RM183E manual that I'll upload and post a link to also. And I also have the Japanese electrical schematics translated to english that I'll post (translated by Airheadnut).
Thank you!!!!!!
 
Thank you!!!!!!

You're welcome. As mentioned, I'll post a few more for you once I upload them.

Edit, I uploaded them and added the links to the others. Let me know if you there are any issues downloading. I have more stuff for these trucks too, including the original Japanese sales brochure...LOL. It'll make you laugh, but also you'll realize the intended clientele for these trucks.
 
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I cant seem to get this stud to drop low enough to come off manifold stud towards firewall

20190306_145220.jpg
 
You have to remove your injection lines from the injection pump too. It's a real knuckle scratcher under there....
 
If you pull the 4 nuts off of the glow plugs that bus bar will lift right off. Just be a little careful with them. The plastic covers will be brittle. Not a catastrophe if you break one, just makes them a little tricky to get off after the plastic crumbles. I suggest a 6 point deep socket and not the slotted head.
And it's definitely a knuckle scratcher down around that pump. Every time I do something down there, I spend a few minutes looking at it trying to talk myself out of whatever is about to make me work down there.
 
You have to remove your injection lines from the injection pump too. It's a real knuckle scratcher under there....
Yeah I figured this out after messing with it for an hour. Never actually took them off though. Just slowly but surely worked the intake towards firewall until i could get front out from in between both sets of fuel lines. I did have to tweak on fuel lines some but after inspection, none of them appear to have been kinked. I would have removed lines from injection pump but never could get them to break loose. Broke my knuckles a couple times. I just need better tools haha.
Guess I'll see when I get it all put back together whether or not I have any leaks. Intake and throttle body is much cleaner now
 
Yeah I figured this out after messing with it for an hour. Never actually took them off though. Just slowly but surely worked the intake towards firewall until i could get front out from in between both sets of fuel lines. I did have to tweak on fuel lines some but after inspection, none of them appear to have been kinked. I would have removed lines from injection pump but never could get them to break loose. Broke my knuckles a couple times. I just need better tools haha.
Guess I'll see when I get it all put back together whether or not I have any leaks. Intake and throttle body is much cleaner now

If you have an open ended 17mm wrench you should have been able to crack the fuel lines off the pump ok. Maybe someone over-tightened them in the past? I think I removed the skirt from the wheel well, turned my tire a certain way and reached in that way to crack the fuel lines. Make sure the wrench is square to the nut and it is much less likely to slip. Start with the lines that are easy to get at, once they're removed you can get to the ones behind.

Bending them is a bad idea. They might bend one way ok, but when you bend them back at reassembly they get really weakened and there is a chance they can crack. There is 2200psi in there.... If you bent them a lot, I'd be looking for some spares on ebay asap.....
 
Yeah I could never get the 17mm nut to budge. It did however loosen up where it enters the injection pump. Tightened that back and left it alone. I'll have it back together Saturday and check for leaks.
 
Yeah I could never get the 17mm nut to budge. It did however loosen up where it enters the injection pump. Tightened that back and left it alone. I'll have it back together Saturday and check for leaks.

Ouch! Yeah, someone definitely WAY over-torqued those!
 
Knowing my luck it will probably leak there now lol. I'm looking online for hard lines just in case I f'd up and did damage them. Havent found any yet.
 
Also the attached photo shows the two smaller coolant lines that run over to throttle body area. Will disconnecting these like I had to cause air to get into coolant lines? Do I need to burp/bleed coolant system afterwards or no?
 
It all goes back together tomorrow. Will also do blue fan clutch mod. Then exhaust, and waterless coolant and new thermostat soon to follow. Wish me luck lol

20190308_190830.jpg
 
It all goes back together tomorrow. Will also do blue fan clutch mod. Then exhaust, and waterless coolant and new thermostat soon to follow. Wish me luck lol

View attachment 1922816
I know you live in Missouri but temps probably get close to or under freezing a time or two in the winter. So, be careful with the waterless coolant, it starts to get thick as the temps drop. Don't know what if anything will be affected or not with it in the winter, just something to keep in mind.
 
I know you live in Missouri but temps probably get close to or under freezing a time or two in the winter. So, be careful with the waterless coolant, it starts to get thick as the temps drop. Don't know what if anything will be affected or not with it in the winter, just something to keep in mind.
Hmmmm, yeah it gets below freezing consistently in winter. Shoot, this week we had a couple night that got down to around 4 degrees
 
- This is a Denso manual that explains in detail how the 2LTE electronic diesel works. It's an excellent read:

V 3 P5ZGR01.pdf

- These are the engine manuals for the L series engines. They do not cover the electronic injection system, but everything else is applicable to the 2LTE motor:

RM520E (Main for 2L, 3L & 5L engines)

Dropbox - 2L 3L 5L ENGINE RM520E.pdf

RM582E (Supplement for 2L, 2L-T, 3L and 5L engines)

https://www.dropbox.com/s/1joci2o0xtg6ujv/2L%2C2L-T%2C3L%2C5L ENGINE SUP. RM582E.pdf?dl=0

Here is the manual that covers the rest of the vehicle (RM183E):

_KZJ70_HZJ_PZJ_chassis_body.pdf

Another version of RM183E that is more complete (includes sections missing in the other version), but is a little mixed up:


Electrical Schematics for the Japanese 70 series (including LJ78):


2LTE pump specs:


Another good reference for electrical is the EWD-168F from August 1992 that addresses FZJ, HZJ, PZJ, LJ and RJ.
I tried to upload the PDF, but it was too large and donot have a drop box to load it in...
 
If you have an open ended 17mm wrench you should have been able to crack the fuel lines off the pump ok. Maybe someone over-tightened them in the past? I think I removed the skirt from the wheel well, turned my tire a certain way and reached in that way to crack the fuel lines. Make sure the wrench is square to the nut and it is much less likely to slip. Start with the lines that are easy to get at, once they're removed you can get to the ones behind.

Bending them is a bad idea. They might bend one way ok, but when you bend them back at reassembly they get really weakened and there is a chance they can crack. There is 2200psi in there.... If you bent them a lot, I'd be looking for some spares on ebay asap.....

Whenever I need to work on brake lines, fuel lines or hydraulic lines; I use flare nut wrenches to ensure I get a good grip and don't round off the facets.
prod_1426495112
 

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