water leak but were?
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Member
Joined: Jul 2001
Posts: 249
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From: Sweden
water leak but were?
My 305 tpi is drinking water but I canīt find the leak. The engine doesnt smoke and it runs well. any suggestions?
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Z28 -87 TPI
white with T-roof
red interior with leather seats
Wagner Borg rear axel
all options
all stock
check Website for info.
www.musikhuset.org/~po/camaro
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Z28 -87 TPI
white with T-roof
red interior with leather seats
Wagner Borg rear axel
all options
all stock
check Website for info.
www.musikhuset.org/~po/camaro
Senior Member
Joined: Dec 2000
Posts: 886
Likes: 0
From: Raleigh, NC, USA
How's your radiator cap? It might not be holding pressure too well and letting some steam out when the car warms up.
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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
TGO Supporter
Joined: Aug 1999
Posts: 14,811
Likes: 1
From: Jackson County
preasure test it and you should find your leak
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
Senior Member
iTrader: (1)
Joined: Oct 1999
Posts: 779
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From: Carrollton, TX, USA
Car: 1992 Chevy Camaro RS
Engine: 305 TBI
Transmission: T-56
Are you refering to a coolant leak? Is your radiator/overflow tank completely full? If not then it is a coolant leak, and I would look at the radiator to make sure there isnt a leak in that...and also the little black valve thing (looks like a UFO with a cylinder sticking out from the bottom of it) Its right above the passenger side valve cover. I think its called a heater valve or something. Then look at your hoses and water pump.
Supreme Member
Joined: Dec 2000
Posts: 1,536
Likes: 0
From: Springfield, MO, USA
Car: 1986 Trans Am, 1991 Firebird
Engine: 355 TPI, 3.1L V6
Transmission: 700R4 in both
You know, I keep hearing about this UFO lookin' thing.. someone also referred to it as a tophat. I still can't figure out what it is. I must have gotten rid of mine when I dumped the AIR stuff because I got one hose from the heater core going directly to the radiator and the other hose going directly to the TB. Interesting.
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1986 Trans AM
355 TPI
4 Wheel Disc Brakes
9 bolt Borg Warner Rear (2.77's....oh joy) :P
6" rods, approx. 9.7:1 Compression, Stock TPI (soon to be ported), 24#/hr LTI injectors (cleaned and flowmatched by Cruizin Performance), Hedman Shorty Headers, 3" exhaust with 80 series flowmaster, SBC 993 heads completely redone and modified for 1.6 RR, 1.52 RR (for now), Comp Cams XE262-14 TPI Cam, Holley AFPR, TPIS airfoil, MSD wires, MSD 6-AL Ignition, Hypertech 53,000 volt coil.
Track times to come.
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1986 Trans AM
355 TPI
4 Wheel Disc Brakes
9 bolt Borg Warner Rear (2.77's....oh joy) :P
6" rods, approx. 9.7:1 Compression, Stock TPI (soon to be ported), 24#/hr LTI injectors (cleaned and flowmatched by Cruizin Performance), Hedman Shorty Headers, 3" exhaust with 80 series flowmaster, SBC 993 heads completely redone and modified for 1.6 RR, 1.52 RR (for now), Comp Cams XE262-14 TPI Cam, Holley AFPR, TPIS airfoil, MSD wires, MSD 6-AL Ignition, Hypertech 53,000 volt coil.
Track times to come.
Senior Member
Joined: Dec 2000
Posts: 886
Likes: 0
From: Raleigh, NC, USA
<font face="Verdana, Arial" size="2">Originally posted by 86TpiTransAm:
You know, I keep hearing about this UFO lookin' thing.. someone also referred to it as a tophat. I still can't figure out what it is. I must have gotten rid of mine when I dumped the AIR stuff because I got one hose from the heater core going directly to the radiator and the other hose going directly to the TB. Interesting.
</font>
You know, I keep hearing about this UFO lookin' thing.. someone also referred to it as a tophat. I still can't figure out what it is. I must have gotten rid of mine when I dumped the AIR stuff because I got one hose from the heater core going directly to the radiator and the other hose going directly to the TB. Interesting.
</font>
Not every car came with the little heater valve thing he's described. I don't think it really does that much, so.. *shrug* heh
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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
Supreme Member
Joined: Dec 1999
Posts: 1,237
Likes: 1
From: Reno, NV
Car: yep
Engine: uhuh
Transmission: sure does
<font face="Verdana, Arial" size="2">Originally posted by Enkil:
Not every car came with the little heater valve thing he's described. I don't think it really does that much, so.. *shrug* heh
</font>
Not every car came with the little heater valve thing he's described. I don't think it really does that much, so.. *shrug* heh
</font>
The doors isolate the core from the A/C passages, but there still is alot of heat there.
If the heater core has hot coolant going through it, the A/C will not work as good.
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ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R
and 2 POS commuters...
R.I.P. #3
"He can see air"
[This message has been edited by Engineboy (edited November 25, 2001).]
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Senior Member
iTrader: (1)
Joined: Oct 1999
Posts: 779
Likes: 0
From: Carrollton, TX, USA
Car: 1992 Chevy Camaro RS
Engine: 305 TBI
Transmission: T-56
yeah thats the thing...and on mine....you could see at the very bottom of the cylinder where it was leaking...ended up being a pretty bad leak....ended up to where when my dad lifted it slightly to look at it...the plastic crumbled and hot coolant went all over the place...luckily I pushed him out of the way...he still got some under his arm and back...left some scars.
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