Heater Pipe And Hose Component Removal/Installation: Notes

Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
Remove in the order indicated in the illustration.

Fig 1: Removing Order Of Heater Pipe And Hose
Courtesy of MAZDA MOTORS CORP.
Remove the following parts, depending on rear heater pipe to be removed.
Install in the reverse order of removal.
Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
FRONT

Fig 2: Removing/Installing Heater Pipe And Hose - Front
Courtesy of MAZDA MOTORS CORP.

REAR

Fig 3: Removing/Installing Heater Pipe And Hose - Rear
Courtesy of MAZDA MOTORS CORP.