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I assume you mean the heater core? there are about 6 screws in the bottom of the heater inside the cab on the passenger side, remove the hoses from the engine compartment take the panel off of the bottom, be careful with the foam rubber on the panel, and it just pulls thru the firewall
What else can I help you with?
Will the 99 Chevy Tahoe door fit on a 91 Chevy silverado?
yes
Heater and ac in 91 Chevy?
removal of heater hose from engine to fire wall
How do you replace heater core in a 91 Chevy truck?
replace heater core in a 1991 Chevy work truck 1500
Where is the stop light relay on a 91 Chevy Silverado?
Think it's on the brake pedal close to the top
Can I access a wiring diagram for a 91 Chevy silverado.?
yeap, check autozone web site, its a good stuff
Would a 4l60 from a 92 Silverado fit a 91 Silverado?
A 4L60E would not fit on a 91 Silverado because of the different dimensions.
Will a motor out of a 91 Chevy silverado fit and run in a 98?
No it will not the 1991 is a TBI and the 1998 is a vortec engine. They have 2 different Fuel Injection systems. You would have to change a whole lot of things to make it work.
What would cause a burning rubber smell to come from the vents of your 91 Chevy Cavalier?
Bad heater core.
Where is the heater fan loctaed on a Chevy Lumina Euro 31 -91?
It is located on the firewall right behind carborator.
Is the instrument cluster from a 92-94 Chevy Silverado interchangable with one from an 89 Chevy Silverado would the gauges and tachometer work or would additional wiring need to be done?
No its not. 89-91 have a different plug than 92-94 some 91's have the newer needle style gauges with the tach and the older style plug but this cluster is rare.
Life expectancy of a 1997 Chevy 350 vortec?
Not a 1997 but close enough. http://www.ridelust.com/wisconsin-man-puts-1-million-miles-on-his-91-chevy-silverado-we-are-pretty-damn-impressed/
Why wont a 15in crager keystone classic fit my 91 Chevy Silverado 2wd?
Because the wheel will rub / hit the front brake cailbers and rear drums. The 91 was built for 16 inch wheels, are bigger
