Heating and A/C Unit Attachments Overview
Heating and A/C Unit Attachments Overview
1 Screw
• Tightening specification: 2 Nm
• Coolant line bolts - 25 -.
• Slightly move the coolant lines by loosening the bolts.
2 Bracket
• Coolant pipe brackets.
• Included with coolant pipe replacement part.
3 Heater Core
• Removing and installing, refer to => [ Heater Core ] Service and Repair.
• After replacing heater core, replace all the coolant.
4 Heating and A/C Unit
• Removing and installing, refer to => [ Heating and A/C Unit ] Removal and Replacement.
• Heating and A/C unit, disassembling and assembling, refer to => [ Heating and A/C Unit ] Heating and A/C Unit.
• Air guide channel, disassembling and assembling, refer to => [ Air Guide Channel ] Overhaul.
5 Cover and Bracket For Recirculation Door Motor (V113)
• Removing and installing, refer to => [ Air Recirculation Door Motor (V113) with Position Sensor (G143) ] Air Recirculation Door Motor (V113) with Position Sensor (G143).
6 Recirculation Door Motor (V113)
• Removing and installing, refer to => [ Air Recirculation Door Motor (V113) with Position Sensor (G143) ] Air Recirculation Door Motor (V113) with Position Sensor (G143).
7 Foam Seal
• Air intake shroud cover for the body.
8 Screws
• Air intake shroud bolts on the heater and A/C unit.
9 Air Inlet Housing With Fresh/Recirculation Air Door
• Cannot be disassembled.
10 Fresh Air Blower Series Resistor With Fuse (N24)
• Removing and installing, refer to => [ Fresh Air Blower Series Resistor with Fuse (N24) ] Service and Repair.
11 Fresh Air Blower (V2)
• Removing and installing, refer to => [ Fresh Air Blower (V2) ] Service and Repair.
12 Cover/Insulation
• Front passenger footwell
13 Screw Clips
• Quantity: 2
14 Wiring Harness
• Different versions (for example, with or without connection to Auxiliary Air Heater Control Module (J604) ). Refer to Electronic Parts Catalog (ETKA).
• Mark the allocation before disconnecting the connectors (connectors of same shape for different components).
• Secure wiring harness to mounting points provided on housing (using cable ties or on mounts) so that it does not come into contact with moving components.
15 Screw
• Tightening specification: 1.5 Nm
• Quantity: 4
• Keep front and rear controls together.
16 Front Heat and Fresh Air Controls For The ( Heater Control Module (J65) )
• Two-piece version.
• Rear heat controls, refer to item 17 => [ (Item 17) Rear Heat and Fresh Air Controls ].
• With Fresh air blower switch (E9).
• With Fresh air/recirculating door switch (E159).
• Also with Immediate heating button (E537) in vehicles with auxiliary heater.
• Depending on the vehicle equipment level, with Seat heating/ventilation adjuster (E399).
• Removing and installing, refer to => [ Front Heat and Fresh Air Controls ] Front Heat and Fresh Air Controls.
17 Rear Heat and Fresh Air Controls
• Removing and installing, refer to => [ Rear Heat and Fresh Air Controls ] Rear Heat and Fresh Air Controls.
18 Bowden Cable For Temperature Door
• To regulate the interior temperature.
• Removing and Installing, refer to => [ Temperature Door Release Cable ] Service and Repair.
19 Flexible Shaft
• Controls the air distribution to the individual air vents.
• Removing and installing, refer to => [ Flexible Air Distribution Shaft ] Service and Repair.
20 Auxiliary Heater Heating Element (Z35)
• Only installed on vehicles with Diesel engine without auxiliary water heater.
• Removing and installing, refer to => [ Auxiliary Heater Heating Element (Z35) ] Auxiliary Heater Heating Element (Z35).
• Switch on criteria, refer to => [ Switch-on Criteria for Activation of Auxiliary Air Heater Heating Element (Z35) ] Switch-on Criteria for Activation of Auxiliary Air Heater Heating Element (Z35).
• Switch-off criteria, refer to => [ Switch-off Criteria for Activation of Auxiliary Air Heater Heating Element (Z35) ] Switch-off Criteria for Activation of Auxiliary Air Heater Heating Element (Z35).
21 Cover For Coolant Pipes and Heater Core
• The illustration shows version for vehicles with Auxiliary Air Heater Heating Element (Z35).
• Different versions for vehicles with or without Auxiliary Air Heater Heating Element (Z35) (opening for Auxiliary Air Heater Heating Element (Z35) is sealed by this cover in vehicles without Auxiliary Air Heater Heating Element (Z35) ). Refer to Electronic Parts Catalog (ETKA).
22 Screw
• Tightening specification: 2 Nm
23 Seal
• Quantity: 2
• Between the coolant lines and the heater core.
• Always replace.
• Pay attention to different versions.
• Lubricate lightly with coolant before installation.
24 Hose Clamp
• Tightening specification: 2 Nm
• Quantity: 2
• Ensure firm attachment.
• For vehicles with heating, ventilation and air conditioning installed.
25 Coolant Lines
• Supply and return with mount - 2 -, replaceable part.
26 Seal
• Seal between the bulkhead and the heater and A/C unit.