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Old 09-10-2020, 11:21 AM #91
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most excellent! headgasket in red '87 is leaking. however, it is an external leak, instead of an internal leak. either way, time to replace it. ordered a bunch of geniune parts from McGeorge Toyota to the tune of about $117.xx delivered. now to take things apart to remove the leaking HG. yay.
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1987 4runner sr5, 22re, 5-speed
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Last edited by wallytoo; 09-10-2020 at 11:32 AM.
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Old 09-11-2020, 09:04 AM #92
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32s look great on there!

Bummer on the head gasket!
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Old 09-24-2020, 09:45 AM #93
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Quote:
Originally Posted by wallytoo View Post
most excellent! headgasket in red '87 is leaking. however, it is an external leak, instead of an internal leak. either way, time to replace it. ordered a bunch of geniune parts from McGeorge Toyota to the tune of about $117.xx delivered. now to take things apart to remove the leaking HG. yay.
Have you started the disassembly yet? Any photos?
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Old 09-24-2020, 07:58 PM #94
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oh, yeah. iíve started. and finished. no photos, since iím terrible about taking them in the middle of projects,

i ended up doing the timing chain, too. the drivers guide had a small piece missing around the upper bolt, so i just replaced everything (i had a complete internal timing kit on hand anyway). new guides, tensioner, cam sprocket, crank sprocket, and gaskets, along with a toyota head gasket and intake gasket.

head gasket looked to be original. not bad, 34 years and a tic under 200k miles (196k).
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Old 10-17-2020, 08:50 AM #95
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well, now i have some photos. got to do it all over again, as the timing chain broke after about 2 weeks (my fault - i didn't torque the guide bolts, and they were all loose. one backed out and dropped down between the chain and the crank sprocket, which broke the chain). so, replaced the timing set with another OSK set from yotashop, and another head gasket from mcgeorge toyota.

the good news? the whole process went faster, because i had just done it two weeks prior, and thus knew exactly what to remove, and what only needed to be loosened, etc, ie, i didn't remove the fuel damper, because i could set the lower plenum assembly to the side enough to clear the head and intake studs.

i made damn sure to torque all of the guide bolts this time. and, like last time, once everything was reassembled, it started instantly. no leaks, timing was perfect.

cover removed, along with distributor, cam gear, and timing sprocket (and broken chain)


lower plenum disconnected and set aside enough to clear the head


exhaust manifold disconnected only at head


head and timing cover removed


head bolts
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Old 10-17-2020, 11:16 AM #96
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Did you have corrosion on the heads? I've had a couple 22R, and the first head gasket replacement I also had to weld the water passages because they had corroded to the point they were larger and would evidently grow past the seal area. I now replace my coolant more often.
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Old 10-17-2020, 06:26 PM #97
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Quote:
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Did you have corrosion on the heads? I've had a couple 22R, and the first head gasket replacement I also had to weld the water passages because they had corroded to the point they were larger and would evidently grow past the seal area. I now replace my coolant more often.
neither the head nor the block had any notable corrosion of the coolant passages.
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