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suprasux 05-31-2005 06:21 PM

hey i'm having a overheating problem on my supra.... it's happening for years now.... i can't go in the freeway because it causes my engine to heat up rapidly.... i've bought and swapped another motor on it and still the same problem.... nothing's leaking or anything... man.... please help me!!! is there any recalls on these cars???

Supra Guestjza70supra 05-31-2005 06:26 PM

sounds like you have the head gasket problem that is common with the 7m's. you should try putting in a new high performance head gasket or just buy the japanese 1jzgte 2.5L twin turbo.

hangsupra 05-31-2005 07:38 PM

:) well... this time double check on your head see if you got water n oil mix. if you do then you got bgh. if you dont have the mixture. its kool. but if i dont have water n oil mix. i will first flush the rad.tor first. and double check on my water pump and water pump fan. back in the day i use to have that problem in my mk2. hope this work for you. let me know how you get to work alright. :rolleyes:

mrnickleye 06-03-2005 01:21 AM

Stop by a repair shop and have them do a block test on the cooling system. They put some special blue chemical into their glass tester bottle, then they remove some coolant from the radiator, put the test bottle over the open radiator cap hole and run the engine for a few minutes, sucking in the air thats there. If the blue liquid turns yellow or green, you have a blown head gasket (very common on these motors), or a cracked head.
Me???first hand experience on mine!!! I also am an ASE Master technician.

hangsupra 06-03-2005 11:43 PM

Quote:

Originally posted by mrnickleye@Jun 3 2005, 01:21 AM
Stop by a repair shop and have them do a block test on the cooling system. They put some special blue chemical into their glass tester bottle, then they remove some coolant from the radiator, put the test bottle over the open radiator cap hole and run the engine for a few minutes, sucking in the air thats there. If the blue liquid turns yellow or green, you have a blown head gasket (very common on these motors), or a cracked head.
Me???first hand experience on mine!!! I also am an ASE Master technician.

:P good for you if you were a "ASE Master technician." n me i am a ASE Master that came out from the garage. but it work the same. as you are to. hehe. :lol:

suprra_girl 06-04-2005 12:29 PM

ok... enuf of the master technician stuff LOL

suprasux: pleaseeeeeeeeeeeeee ask me to change ur username :(

2. try the block check as suggested above...
when you did the motor swap what items on the car remained the same?
did you get the radiator professionally flushed?
new water pump?
radiator cap?
thermostat?
clutch fan still healthy?

do you have a waterfall sound behind the dash?
have you done a compression check?

there have been many many 7m owners that have got a mhg & arp head studs and prepped the head and block and not had any head gasket issues again.... the godly 1jz is not always the answer... it's a fashion statement imo

corewitz 06-04-2005 10:06 PM

hey i have a question too!

how much does it cost to replace a head gasket.... can anyone give me some price quotes?

corewitz 06-04-2005 10:13 PM

i took it to a shop and they said there was a hose that was blown that went through the head gasket and its expensive to fix not because of the parts, but because of the labor.... about 1 grand or so. im wondering if i should just take it apart myself and replace the hose..... any ideas or tips??

suprra_girl 06-05-2005 11:53 PM

can you explain further what happened?

corewitz 06-06-2005 02:20 AM

yeah heres the story.... we have had a 1990 mk3 for about 7 or 8 years now... and nothing has really gone wrong with it until the power steering went out. Then we stopped driving it for a year and a half or so... and started it up in mid september of 2004.... and everything else seemed fine except for the powersteering. Then we noticed that it was leaking anti freeze and looked like it was coming straight from the water pump, as if we had blown the seal or even the pump. then we took it in to a shop and had them take a look at it. They called back saying that the water pump was fine but there was a line running from the pump through the firewall and throughout the head and i may have damaged the headgasket as well.

corewitz 06-06-2005 02:27 AM

its a bummer because so far the expenses to fix it up are high
- about $1000 or so for the power steering
- and about $ 1500 for the labor to rip apart the engine and fix the water pump line


its almost cheaper to just buy a new engine and drop it in and install a new powersteering pump and rack while the engine is out.

hangsupra 06-06-2005 03:33 AM

Quote:

Originally posted by corewitz@Jun 4 2005, 10:06 PM
hey i have a question too!

how much does it cost to replace a head gasket.... can anyone give me some price quotes?

i dont know where you from. but where i from it cost $1,200-$2,000. in 209 area in Cali. they fix your head for you and also replace the water pump n the radiator. everything what i said is all under $2,000. from where i live. so where you from. corewitz....

suprra_girl 06-06-2005 07:24 AM

basically look at $1000.. for head & block work, new gasket, new bolts, water pump, radiator cap, thermostat etc etc

not too sure on the labour side tho

and $1000 for steering :o
wtf... theres something wrong there... what's wrong with your powersteering?

oh and waterpump line????
there isn't a water pump line as such... just the water galleries in the block & head

it seems your "mechanic" is talking about the water lines going "around" the block and feeding the heater core etc
unfortunately that is a pain to get to for repairs.. but you need to find out if that has a small hole from rusting out or if its just the gasket

do you know if it's leaking on the back of the thermostat housing or what?
can you possibly tell me exactly what location it is leaking?

did your car overheat? how badly?

mrnickleye 06-07-2005 01:43 AM

Here is what it cost me last month for a head gasket and valve job on my N/A, here in Calif Mojave Desert. Turbo model will probably be higher.
I did the R & R work myself. I don't push the car hard very often so I just went with stock gaskets and machine work.

I have a friend at the local Toyota parts dept. that gets me good prices, but the gasket set was going to be $260 (list $415), and $230 (list $350) from friend at favorite parts house. So I hunted around online and found an Ishino (OEM Stock) set for $154 (free shipping). I read an article that said Ishino is one of the largest gasket suppliers to Toyota, so I figured it would be a good one.

http://replacement.speedyperformanceparts....Head+Gasket+ Set

Machine shop work with a minimal cut to true up the surface, $425 (They adjusted the valves and put new valve guide seals in, too.)

Toyota factory headbolts, $36 (list $46).. (may be better to use ARP bolts.)

ALL new hoses, belts, thermostat, antifreeze, rad cap, clamps, $125

The center (#3) cylinder head gasket that covers the spark plug holes was $34, (list $44, Toyota Dealer Only).
So..about $650 in parts.
Labor and parts thru a reputable repair shop here would have been $1200-$1600.

I Hope this info gives you enough to get you going in ONE FUN CAR to DRIVE.....

corewitz 06-07-2005 01:43 AM

yeah i blew the powersteering pump and rack and theres no power assistance at all. Im from Nebraska and we took it to a place called "2 guys and a shop", who are mechanics that used to work for the toyota dealership.
when we drove it out we started noticing a little white smoke from the engine and it was overheating a little, but right when we noticed it we took it home so we were only got about 10 minutes.we took it home and popped the hood and saw that smoke was coming out between the engine and the radiator so it looked like we blew the water pump, and shortly after we brought it home we saw a puddle of anti freeze. But they say its a water pump line that sounds like what your talking about.. cause its hard to get to and it will take lots of labor to reach and fix. They havent actually ripped it apart and looked at it but thats what there saying happened. the leak was dripping right by the water pump maby within 6 inches to a foot around it. and was hard to see where it was coming from, and we only looked at it for about 15 minutes before we shut it off because we were confident it was from the water pump.

mrnickleye 06-07-2005 01:54 AM

Did you see the post above you're last one? Hope the cost breakdown was infomative. Water pumps are cheap, but that pipe under the exhaust manifold is a bit of work. But hey, if your handy with tools, it may be something to tackle.

corewitz 06-13-2005 10:39 PM

i went to the shop and talked to the guys and found out that it was the water pump line that goes around the block and theres a spot rusted out on it. and i was wondering if i simply just dropped a new engine in it if it would replace the problem?


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