From Haynes Repair Manual #36071, Ford Ranger Pickups 1993 - 2005: (1)Disarm the airbag system; (2)allow the cooling system to completely cool down; (3)using a thick cloth for protection, turn the radiator filler cap to the first stop; (4)step back and let the pressure release; (5)once the pressure has been released, completely drain the cooling system; (6) working within the engine compartment, loosen the clam,ps on the heater hoses at the engine compartment side of the firewall, twist the hoses and carefully sepseparate them from the heater core tubes; (7)plug or cap the heater core tubes to prevent coolant from spilling into the passenger compartment when the heater core is removed; (8)place a plastic sheet on the floor of the vehicle to prevent stains if the coolant spills; (9)remove the instrument panel; (10)remove the PCM heat sink and ground strap; (11)remove the heater plenum chamber; (12)separate the heater core from the heater plenum chamber; (13)installation is the reverse of the removal with the following additions; (a)fill the cooling system; (b)run the engine, check for leaks and test the heater.
Replacing heater core on a 2001 chevy,cavaliar.
From $300.00 to about $500.00
your heater core is leaking i would replace it.
Replacing a leaky heater core is a big job on that vehicle. The entire dash assembly must be removed, too many steps to list here. If you have any intentions of doing this yourself I would recommend purchasing a shop manual for that vehicle to guide you thru the job.
Those "fumes" are more than likely coolant steam coming from a leaky heater core. Replacing the heater core is your best option.
The blower resistor assembly is located on the heater case to the right of the bloser motor. - Haynes Repair Manual #36071, 1993-2005 Ford Ranger Pick-ups
There are some units that replace the oil dipstick There are some units that require removing a freeplug and replacing with blockheater
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The Best Ranger Challenge - 2001 was released on: USA: 12 October 2001
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A block heater was not standard equipment on a 2001 Chrysler 300m.