Remove the drain hose (A), then remove the mounting nuts and the blower-heater unit (B).
Remove the self-tapping screws and the heater core cover (A).
Maintenance
This chapter discusses basic maintenance. ...
Gauge Control Module Replacement
NOTE: Before replacing the gauge control module,
retrieve the ODO value and the maintenance minder information from
the gauge control module with the HDS.
Remove the instrument panel.
...
Main Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages.
Do not use a magnet to remove the check balls, it may magnetize the check
balls. ...