Contents Wiring diagrams Section: Automatic HVAC System All sections

Basic System (HVAC): Overhaul Mazda 3 BL

Automatic HVAC System 6 illustrations ~300 words

Adhesive Polyurethane Assembly Note

  1. Assemble the adhesive polyurethane as shown in the figure.

Scheme 31

Scheme 31: Adhesive polyurethane (4)

Scheme 32

Scheme 32: Adhesive polyurethane (3)

Scheme 33

Scheme 33: Adhesive polyurethane (2)

Scheme 34

Scheme 34: A/C UNIT DISASSEMBLY/ASSEMBLY [MANUAL AIR CONDITIONER]
  1. Disassemble in the order indicated in the table. CAUTION: If a non-specified grease is used, it may result in abnormal noise or improper operation of the links. Apply only the specified grease to each link.
  2. Assemble in the reverse order of disassembly.

Scheme 35

Scheme 35: EXPANSION VALVE REMOVAL/INSTALLATION
  1. Disconnect the negative battery cable.
  2. Discharge the refrigerant from the system. (See «REFRIGERANT CHARGING»(ref-345268-S40252650632009102000000) .) CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
  3. Disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill. (See «REFRIGERANT LINES REMOVAL/INSTALLATION [LF, L3]»(ref-345211-S19727411202009102000000) ).
  4. Remove the following parts: Front side trim (RH) (See «FRONT SIDE TRIM REMOVAL/INSTALLATION»(ref-345251-S39582742522009102000000) .) Front scuff plate (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION»(ref-345251-S03552764762009102000000) .) Decoration panel (See «DECORATION PANEL REMOVAL/INSTALLATION»(ref-345251-S26486634232009102000000) .) Glove compartment (See «GLOVE COMPARTMENT REMOVAL/INSTALLATION»(ref-345251-S25078258972009102000000) .) PJB and PJB bracket (See «PASSENGER JUNCTION BOX (PJB) REMOVAL/INSTALLATION»(ref-345241-S29864541242009102000000) .) Car-navigation unit (See «CAR-NAVIGATION UNIT REMOVAL/INSTALLATION»(ref-345255-S26831542572009102000000) .) Auto leveling control module
  5. Remove the blower case.
  6. Remove the expansion valve. Do not allow compressor oil to spill.
  7. Install in the reverse order of removal.
  8. Perform the refrigerant system performance test. (See «REFRIGERANT SYSTEM PERFORMANCE TEST»(ref-345268-S33795605272009102000000) .)

Scheme 36

Scheme 36: CABIN AIR FILTER REMOVAL/INSTALLATION
  1. Disconnect the negative battery cable.
  2. Remove the PJB and PJB bracket. (See «PASSENGER JUNCTION BOX (PJB) REMOVAL/INSTALLATION»(ref-345241-S29864541242009102000000) .)
  3. Remove the side wall. (See «SIDE WALL REMOVAL/INSTALLATION»(ref-345251-S20393793122009102000000) .)
  4. Disconnect the evaporator temperature sensor connector.
  5. Disconnect the power MOS FET connector. (Full-auto air conditioner)
  6. Remove in the order indicated in the table.
  7. Install in the reverse order of removal.