1990 T4R Compression problems

jaredbishop

New member
I'm new to the forum and this is my first T4R
Purchased 1/19/10
Paid $500.
Miles-215k
1990 Stick 4WD

I love it but here are is the short list of engine problems:
Leaks Power Steering Fluid
Leaks Engine Oil
It did not pass emissions, A tech who owns one said he could tell is miss firing, told me to get Denso spark plugs use oem wires and a Denso rotor & cap. I'v pulled the old spark plugs and have new Denso to put in. No wires or rotor or cap yet.

I did a compression check (and a wet test for bad ones)here is what it come up with:

Numbered in order if looking at engine from the front of the truck

--------------130 psi / 75 psi (100 psi wet)<br>
--------------140 psi / 135 psi<br>
95 psi (140 psi wet) / 125 psi<br>

So my big question is what do I do next? What has to be pulled off, checked, fixed, resurfaced, replaced?

22068_300313429637_788859637_4787252_4070338_n.jpg


22068_300313439637_788859637_4787253_3562499_n.jpg


22068_300313389637_788859637_4787248_2510590_n.jpg


22068_300313409637_788859637_4787249_6332881_n.jpg


photo.php
 
Last edited:
Register to hide this ad
Sorry, that's well beyond my mechanical abilities, but wanted to say welcome and looks like sweet ride. Good condition and great price once you get those few issues figured out.
 
I did call my local Toyota dealer and he said the recall on the head gaskets ended about 3 years ago. I guess I'll start with changing the head gaskets, timing belt and water pump and see where that gets me. I don't know if there are other things I should be looking at when I do this.
 
I did call my local Toyota dealer and he said the recall on the head gaskets ended about 3 years ago. I guess I'll start with changing the head gaskets, timing belt and water pump and see where that gets me. I don't know if there are other things I should be looking at when I do this.
It sounds like you may have some leaky valves. Also I would determine the source of the oil leaks in the power steering and engine and get them fixed. It might be a good idea to just go through it, you know, rings and rod bearings and a valve job.
 
Last edited:

Members online

Forum statistics

Threads
278,309
Messages
3,554,066
Members
248,016
Latest member
Advally Service

Trending content

Back
Top