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Old 07-05-2006, 06:37 AM
Dag Dag is offline
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Posts: 2
Default Changing head gasket

I am about to change head gasket on my LJ70 2,4 NA diesel. I have seen
that the bolts are supposed to be replaced when the head has been taken
off. These bolts are quite difficult to find here in Norway and they are
expensive too. Do you replace those bolts or are the old ones reused?
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  #2  
Old 07-05-2006, 07:34 AM
ynotssor ynotssor is offline
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Posts: 7,022
Default Changing head gasket


"Dag" <enjoy@keeponliving.net> wrote in message
news:44abce21$1@news.broadpark.no...
Quote:
I am about to change head gasket on my LJ70 2,4 NA diesel. I have seen thatthe bolts are supposed to be replaced when the head has been taken off.These bolts are quite difficult to find here in Norway and they areexpensive too. Do you replace those bolts or are the old ones reused?


Toyota uses what are called "plastic region" head bolts. When tightened to
the specified torque, they stretch to help maintain the proper pressure on
the head gasket. In some applications, the heat bolts may be re-used once
in addition to the factory installation, and in others, new bolts must be
re-used. If the repair manual specifies new bolts, then I would use them to
reduce the possibility of head gasket leaks in the future.
--

Ray O
(correct punctuation to reply)


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  #3  
Old 07-05-2006, 08:03 AM
Bruce L. Bergman Bruce L. Bergman is offline
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Posts: 985
Default Changing head gasket

On Wed, 05 Jul 2006 16:37:13 +0200, Dag <enjoy@keeponliving.net>
wrote:
Quote:
I am about to change head gasket on my LJ70 2,4 NA diesel. I have seenthat the bolts are supposed to be replaced when the head has been takenoff. These bolts are quite difficult to find here in Norway and they are expensive too. Do you replace those bolts or are the old ones reused?


You have to ask the parts counter guy, especially with a diesel that
has much higher stresses on the head bolts from the compression. Some
are "torque to yield" bolts and do need to be replaced every time -
try reusing them, and one or two are liable to snap off.

Try a mail-order reseller - Specter Offroad http://www.sor.com might
be cheaper, even after shipping and customs from the USA. Most of
their parts are purchased from Toyota or their OEM suppliers, no junk.

--<< Bruce >>--

--
Bruce L. Bergman, Woodland Hills (Los Angeles) CA - Desktop
Electrician for Westend Electric - CA726700
5737 Kanan Rd. #359, Agoura CA 91301 (818) 889-9545
Spamtrapped address: Remove the python and the invalid, and use a net.
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  #4  
Old 06-15-2007, 09:25 PM
seandaniels seandaniels is offline
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Join Date: Jun 2007
Posts: 1
Exclamation 1988 4Runner Head Gasket Start Problem

I just bought a 1988 4Runner 140k miles,V6 with blown drivers side head gasket. It started when I bought it alot of white smoke. Next day I cant seem to restart it. It turns over fine and starts to fire but wont keep running. Ive taken the spark plugs out and cleaned them and turned over engine to blow out water. There is no water in oil. I havn't decided whether to do head gasket myself or not yet. Looking for advice.Thanks
--------------------
2001 toyota tacoma - sold
1991 total chaos LT 4x4 extra cab pick up
Toyota Head Gasket
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