Foaming in the coolant?
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Supreme Member
Joined: Jan 2001
Posts: 1,370
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From: Long Island, NY
Car: 1986 IROC-Z
Engine: 5.0 TPI
Transmission: 700R4
Foaming in the coolant?
This isnt on a thirdgen, but it is a general engine question so maybe you guys can help out.
My mother's 91 Plymouth Acclaim with the 3.0 V6 has like a bubbling foam forming in the anti freeze. My father thinks there's a head gasket leak, and exhaust gases are getting in the coolant. The oil isn't milky and there doesnt appear to be oil in the coolant.
My mother's 91 Plymouth Acclaim with the 3.0 V6 has like a bubbling foam forming in the anti freeze. My father thinks there's a head gasket leak, and exhaust gases are getting in the coolant. The oil isn't milky and there doesnt appear to be oil in the coolant.
Supreme Member
Joined: Jan 2001
Posts: 1,746
Likes: 0
From: Tucson, AZ
Car: 1991 Z-28
Engine: Can you say stroke?!?!
Transmission: 700-r4
Axle/Gears: 3.42
How much fluid is in it? I know that sometimes if the fluid is low, it can foam up when hot. Also, when was the last time it was changed? It's possible that you may not have a very good mixture and it just needs to be replaced. Those are just some thing off of the top of my head.
Hope that helps!
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'91 Z-28 5.7, SLP 1 3/4 headers, 4 inch Mufflex/Flowmaster cat back, gutted cats, Edelbrock intake, 8.5mm Jacob wires, MSD Blaster coil, S&W subframe setup, Jacob Pro Street Ignition, complete Kenwood system.
Hope that helps!
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'91 Z-28 5.7, SLP 1 3/4 headers, 4 inch Mufflex/Flowmaster cat back, gutted cats, Edelbrock intake, 8.5mm Jacob wires, MSD Blaster coil, S&W subframe setup, Jacob Pro Street Ignition, complete Kenwood system.
Thread Starter
Supreme Member
Joined: Jan 2001
Posts: 1,370
Likes: 0
From: Long Island, NY
Car: 1986 IROC-Z
Engine: 5.0 TPI
Transmission: 700R4
My father and I checked the coolant last night. It was low, but not drastic. Maybe an inch or 2 below the neck. Honestly, I don't remember when it was last changed. Probably wouldn't be a bad idea. Although at the end of the summer we're gonna fix everything on the car for good...get rid of it!
No, I don't see my 53 year old mother in a new F-body. Oh well.
No, I don't see my 53 year old mother in a new F-body. Oh well.
Supreme Member
Joined: Sep 1999
Posts: 3,197
Likes: 10
From: Manassas VA
Car: 04 GTO
Engine: LS1
Transmission: M12 T56
If it has no other symptoms of a blown head gasket, i would assume it is old funky coolant and do a full flush/refill. If it comes back, then you have some kind of a problem. If not, it'll be that much easier to sell the car.
...ed
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Ed Maher - Moderator @ The Carb Board
92 Z28 Convertible - Quasar blue / Tan top
LB9 4L60 GU2 G80 - stock, soon to be sleeper
-=ICON Motorsports=-
- Definitely prototypes, high powered mutants of some kind. Too weird to live, too cool to die
...ed
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Ed Maher - Moderator @ The Carb Board
92 Z28 Convertible - Quasar blue / Tan top
LB9 4L60 GU2 G80 - stock, soon to be sleeper
-=ICON Motorsports=-
- Definitely prototypes, high powered mutants of some kind. Too weird to live, too cool to die
Senior Member
Joined: Dec 2000
Posts: 886
Likes: 0
From: Raleigh, NC, USA
Here's a thought...
When you filled the radiator, did you get the water out of a new garden hose? They seem to have some type of detergent or SOMEthing, but it foams up for a while after you get the hose.
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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
When you filled the radiator, did you get the water out of a new garden hose? They seem to have some type of detergent or SOMEthing, but it foams up for a while after you get the hose.
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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
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