Overheating 305 tbi
Thread Starter
Joined: Jan 2007
Posts: 976
Likes: 4
From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
Overheating 305 tbi
after my initial morning warmup, if I let my car idle in park, the car overheats to the point of actually boiling over. I have changed the thermostat and the cooling sensor. Any ideas guys?
Senior Member
iTrader: (1)
Joined: Jun 2006
Posts: 692
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From: Oviedo,Florida
Car: 86' Trans am
Engine: 85 LG4-non cc carb(building a 350)
Transmission: Rebuilt 700R4,vette servo,2200stall
Axle/Gears: 2.73 Posi
Re: Overheating 305 tbi
fan working or spining the wrong way
Joined: Sep 2005
Posts: 27,953
Likes: 2,463
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Overheating 305 tbi
Radiator cap.
It's not "overheating"; it's just "boiling over"... not holding pressure. Big difference.
It's not "overheating"; it's just "boiling over"... not holding pressure. Big difference.
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Joined: Oct 2006
Posts: 1,974
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Car: 91 RS
Engine: 350 vortec
Transmission: T-5
Axle/Gears: not the best not the worst
Re: Overheating 305 tbi
yeah so you just threw a bandaid on in... the car will maintain temp with the stock set up in very hot weather... they had to
if this just started happening and you drive the car every day i would start looking at head gaskets
you need to make sure your cooling system is functioning properly has the correct 50/50 mix and your fan turns on if you dont have a heater core get one if you have a old one replace it look into replacing your radiator and water pump
if all those fail start looking at head gaskets...
if this just started happening and you drive the car every day i would start looking at head gaskets
you need to make sure your cooling system is functioning properly has the correct 50/50 mix and your fan turns on if you dont have a heater core get one if you have a old one replace it look into replacing your radiator and water pump
if all those fail start looking at head gaskets...
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