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I had to replace my heater core on a 1991 GTA. It took me about 6 hours, and then some. You have to remove the entire dash cover, drop the steering colum (sp). etc.
It is located on the passenger side firewall. It is pretty easy to replace, it is just hard to get to it!
Take your time, and just keep removing the dash until you reach it. You will probably bust a knuckle or two, but it can be done. Good luck.
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∙ 14y ago
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What is the original motor for an 1986 Pontiac Firebird?
The 1986 Firebird came with either a 2.8L V6 or a 5.0L V8
Firebird 1986 v6 2.8what is the firing order?
1986 Pontiac Firebird 2.8 Liter Firing Order
Where is the fan relay on a 1986 Pontiac firebird 2.8?
The 1986 Pontiac Firebird fan relay switch can be found on the back of the fan motor. The relay switch is connected to the fan motor by two retaining screws.
How do you replace the thermostat on a 1986 Pontiac Firebird?
Take the top radiator hose loose from the top of the engine. The thermostat is under there. just pry it off with a screwdriver.
What is the ignition timing for a 1986 Pontiac firebird 2.8l?
The timing should be 8 degrees
Can you use a 1990 Pontiac firebird 700r transmission in a 1986 Chevy iroc?
Yes
Where can you find the radio schematics for a 1986 Pontiac firebird?
try a CHILTON BOOK with wiring diagrams
What is the firing order for a 1986 Pontiac Firebird 2.8L?
I do belive its the same as the 1985.It would be 123456
Where do you add power steering fluid to a 1986 Pontiac Firebird?
At or near the power steering pump.
What advances the timing on a 1986 Pontiac Firebird 2.8v6?
timing is adjusted by the ignition module and feed back from sensors
What is the proper spark plug gap on a 1986 Pontiac Firebird?
6 cylinder=.045 8 cylinder=.045
Where is mass airflow sensor burnoff relay on a 1986 Pontiac Firebird?
On the driverside firewall is first place I would look
