B2300 SE Regular Cab 2WD L4-2.3L VIN D (2001)
Housing Assembly HVAC: Service and Repair
PLENUM CHAMBER
1. Remove the instrument panel.
2. Drain the radiator.
3. Disconnect the heater hoses from the heater/evaporator core.
4. Remove the heater/evaporator core housing.
5. Remove the nuts.
Tighting torque: 3.4 - 4.8 N.m { 35 - 49 kgf.cm, 31 - 42 in.lbf }.
6. Remove the plenum chamber.
7. To install, reverse the removal procedure.
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Lubricate the coolant hoses with coolant hose lubricant or plain water if needed.
