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Location:
no where
Registered:
November 2004
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shizen housen
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Thu, 03 March 2005 04:53
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if i have a bhg on a 7mgte wat sorta things can i noticed that will change ??...will the temp gauge go straight up ... ?or will it some times border line then about 10 mins later go up ? it doesnt always overheat..on hot days it is more prone to ..it has a hks metal head gasket..so could be the thermo fan or the thermostat ? what do u fellas reckon..sometimes it owont even over heat ??
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Location:
Tassie
Registered:
October 2003
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Re: shizen housen
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Thu, 03 March 2005 05:06
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look for water coming out of the exhaust pipe
and oil in the radiator.
is the oil still black ?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: shizen housen
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Thu, 03 March 2005 05:11
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Get your radiator flow tested and cleaned.
Get a new thermostat.
When does it overheat? cruising? freeway? traffic? thrashing?
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Location:
no where
Registered:
November 2004
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Re: shizen housen
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Thu, 03 March 2005 05:15
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the overheating is random as.... whenever really..oil is black..not murky
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Location:
no where
Registered:
November 2004
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 Re: shizen housen
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Thu, 03 March 2005 05:16
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anymore ideas
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: shizen housen
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Thu, 03 March 2005 05:21
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Start with radiator.
Should cost about $80 if you take it out and give it to a radiator shop.
New thermostat is about $16
Get Toyota genuine on this.
Flush the block with the garden hose while the radiator/thermostat is out.
Put it all back together and refil with Toyota Red.
If it still overheats, get a new waterpump.
After this if it still overheats while driving, BHG is a lot more probable.
If it overheats while idling in traffic, the viscous coupling on the fan is dying. Get a replacement from a wreck.
If it still overheats, BHG is a lot lot more probable.
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Location:
no where
Registered:
November 2004
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Re: shizen housen
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Thu, 03 March 2005 06:15
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thanks man good help...thermostat 16 bucks ?? u sure ?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: shizen housen
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Thu, 03 March 2005 06:20
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Something around that.
Maybe into the 20's.
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I supported Toymods
Location:
Perth
Registered:
July 2004
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Re: shizen housen
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Thu, 03 March 2005 06:25
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part number is #90916-03054 if youre gettin toyota genuine..
(thermostat for 7mgte/u)
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Location:
no where
Registered:
November 2004
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Re: shizen housen
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Thu, 03 March 2005 06:25
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are these the syptoms of a bhg ? or will it just over heat no matter what ??
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Location:
no where
Registered:
November 2004
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Re: shizen housen
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Thu, 03 March 2005 06:26
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thanks for the part no 
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: shizen housen
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Thu, 03 March 2005 06:26
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BHG symptons are very varied.
In doing this other stuff first, you may eliminate the need to remove the head.
However, if it was a BHG in the end, I'd recommend doing the waterpump, thermostat, and radiator anyway.
So you are not wasting any money.
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Location:
no where
Registered:
November 2004
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Re: shizen housen
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Thu, 03 March 2005 06:31
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lets say it is a bhg how much to get ir replaced with a hks one again ?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: shizen housen
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Thu, 03 March 2005 06:39
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Depends how you want to do it.
Doing it properly would require
new ARP studs
new HKS MHG
gasket kit
remove head, give to workshop to check for warpage, and shave it.
Deck the block (may require removal)
Doing it dodgy it just remove head, insert new gasket, check head for warpage, install gasket.
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Location:
Brisbane
Registered:
May 2002
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Re: shizen housen
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Thu, 03 March 2005 08:32
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Random temperature fluctuations are a classic symptom of air pockets in the cooling system. Supras are well known for doing this if you don't bleed the air out properly. That's the first thing I'd check.
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Location:
no where
Registered:
November 2004
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Re: shizen housen
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Thu, 03 March 2005 11:23
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oh ok what i wanna know is would the temp fluctuate if it was the head gasket
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