With proper tools and knowledge, aprox 4 hours, 5 hours if it has AC.
replace heater core in a 1991 Chevy work truck 1500
need diagram for heater core for a 1994 Chevy truck.
To many steps involved to list here. I would suggest purchasing a shop manual for that vehicle if you want to replace the heater core yourself.
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Remove the water supply hoses from your 1992 Chevy S 10 pickup truck heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
how do you install a heater core for a 2003 gmc sierra 4.3l truck
Trying to repair a heater core can be a waste of time. Just replace it with a new one.
Take it to the dealer. Take it to the dealer.
How do you replace the heater core on a jimmy?
1- Drain coolant. 2- remove heater hoses from core inlet and outlet pipes in engine compartment. 3-remove screws and heater core cover. ( right side lower passenger compartment ) 4- carefully lower core out of heater unit. This old of a truck it would be wise to replace both heater hoses. Use antifreeze as a lubricant to install heater hoses to new core inlets.