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1993 T100 Rebuild

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Old Aug 31, 2023 | 11:47 AM
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1993 T100 Rebuild

Hi everybody,

I recently purchased a 1993 T100 with the 3VZ and R150. It has 195k on it and some issues so I got it cheap! Figured I’d post some pics as I go along in case they’d help anybody or if anyone has suggestions for me. This is my first time venturing this deep in a rebuild so any advice is much appreciated. I’m doing all the work on the ground in my driveway. Anyways, here’s what needs done:

- Head gasket
- TB + WP
- Valve cover seals
- Rear main seal + pilot bearing
- All clutch components
- New fluids all around
- Handbrake non-functional
- Play in idler/pitman arms
- Passenger door is damaged
- probably a lot more….

I started by draining oil and coolant and pulling things to get the heads off. They are currently at a machine shop getting resurfaced. Luckily no cracks and the valves hold compression! Gasket was blown at the #6 cylinder. Getting things cleaned up and ready for the new gaskets. Here are some pics.








Last edited by hoagie; Aug 31, 2023 at 11:50 AM.
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Old Aug 31, 2023 | 11:55 AM
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Yesterday I pulled the transmission and installed new clutch components. The old stuff was wrecked. The truck broke down on me as I was driving it home because the release bearing seized up… I managed to remove the pilot bearing with a hot dog bun which was cool. Shiny new stuff is in! I also went ahead and serviced the injectors.







All cleaned up. Lots of PurplePower.


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Old Aug 31, 2023 | 02:18 PM
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From: exo-reality -wave if you see me; Front Range, CO
Wow. Seriously neglected.
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Old Aug 31, 2023 | 04:37 PM
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Originally Posted by coopster
Wow. Seriously neglected.
Definitely. In need of some love but I think it will come back to life. The frame is spotless and I’m excited about the 8’ bed.
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Old Sep 3, 2023 | 02:45 PM
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New water pump, thermostat, master cylinder, and slave cylinder today. Got the transmission work wrapped up. Everything’s reconnected. Had to zip tie some wiring since the plastic clips broke. I’m thinking I’ll delete the EGR system. I’d be able to remove a lot of crap from the engine bay. Anyone have thoughts on that?

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Old Sep 11, 2023 | 10:39 AM
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People often mistake Toyota's Emissions systems to being similar to the aweful emissions systems from American Auto manufactures in the 1970s and 1980s. Toyota's emissions systems usually had only a little affect on how the engine performs.
Unless the EGR system is not working and replacement parts are not availabe, I do not see a reason to "delete" the EGR.

Unnless you plan on constantly working in the engine bay after this repair, removing the EGR system to "clean up" the engine bay also has no real benefit.

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Old Sep 11, 2023 | 11:02 AM
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Originally Posted by old87yota

People often mistake Toyota's Emissions systems to being similar to the aweful emissions systems from American Auto manufactures in the 1970s and 1980s. Toyota's emissions systems usually had only a little affect on how the engine performs.
Unless the EGR system is not working and replacement parts are not availabe, I do not see a reason to "delete" the EGR.

Unnless you plan on constantly working in the engine bay after this repair, removing the EGR system to "clean up" the engine bay also has no real benefit.

Thanks! I have a ‘94 Hilux Surf with the 1KZ. I ended up deleting the EGR system on that engine because the amount of carbon buildup in the intake was absurd. This one wasn’t as bad, even with higher miles. As far as I know the EGR components on this truck are functional so maybe I’ll just put it all back in.
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Old Sep 12, 2023 | 07:32 AM
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Awesome work! The single cab long beds are super hard to find. Currently finishing a T100 myself. Keep us posted!
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Old Sep 22, 2023 | 03:47 PM
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Got the truck running again last weekend! The cylinder heads were cleaned and resurfaced. New valve seals installed and lash set at the shop. Spent the weekend putting it back together. Had a bit of a scare when I went to fire it up for the first time. Crank no start… checked for fuel and spark and was good there. After a bit of messing about, I discovered I had installed the distributor on the exhaust stroke. Oops! Took it out, turned engine 360 deg and it fired right up. Truck ran okay, but it was a total dog. This is my first 3VZ and I figured it was just gonna be a slow beast. Turns out in the distributor shenanigans I accidentally switched the wires on plugs 3 and 5! Now it’s really going well. Quicker than I expected honestly. Learned a lot and had fun putting it back together! Now to tackle some other things. I think the PO had run some sort of gasket sealer - I found traces in the coolant passages on the block. The truck runs a bit hot (slightly over half on the gauge). I think I’ll order a new radiator and see if that helps. My assumption is that this one is all gunked up with sealer crud.





Last edited by hoagie; Sep 22, 2023 at 03:49 PM.
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Old Sep 22, 2023 | 03:56 PM
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Oh and I got a Go Fast Camper! Im going to try to live in this truck and hoping this will be a cushy way to do it.
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