Heater, Heater Core, Auxiliary Heater Heating Element

WARNING: This page is about a different variant/trim than selected.

Fig 1: Exploded View Of Heater and A/C Unit, Heater Core, "Valeo" Auxiliary Heater Heating Element

Courtesy of AUDI OF AMERICA, LLC

Bolt
- Tightening specification. Refer to OVERVIEW - HEATER AND A/C UNIT .
Coolant Pipe for the Heater Core
- There are different versions. Refer to the Parts Information.
- Coolant supply from engine
- Removing and installing. Refer to HEATER CORE COOLANT PIPES, VALEO .
Clamp
- Can be replaced with a spring-type clamp when servicing.
Coolant Pipe for the Heater Core
- There are different versions. Refer to the Parts Information.
- Coolant return to engine
- Removing and installing. Refer to HEATER CORE COOLANT PIPES, VALEO .
O-Ring
- Always replace
- There are different versions. Refer to the Parts Information.
Cover
- For the heater core
Bolt
- Tightening specification. Refer to OVERVIEW - HEATER AND A/C UNIT .
Foam Spacer
- For sealing/insulating
- For vehicles without an A/C system, without opening for the expansion valve. Refer to the Parts Information.
- Observe installed position
Bracket
- For the coolant pipes
Foam Piece
- For insulating
- Observe installed position
Heater
- On vehicles without an Auxiliary Heater Heating Element -Z35-, the opening for the auxiliary heater is sealed.
- Removing and installing. Refer to HEATER AND A/C UNIT, REMOVING AND INSTALLING .
- Disassembling and assembling. Refer to HEATER AND A/C UNIT, DISASSEMBLING AND ASSEMBLING .
Heat Exchanger
- There are different versions. Refer to the Parts Information.
- Removing and installing. Refer to HEATER CORE, REMOVING AND INSTALLING .
Auxiliary Heater Heating Element -Z35-
- Activation, checking. Refer to AUXILIARY HEATER ACTIVATION, CHECKING (THE Auxiliary Heater Heating Element -Z35-) .
- Removing and installing. Refer to Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .
Bolt
- Tightening specification. Refer to OVERVIEW - HEATER AND A/C UNIT .
- Quantity: 2
Wire
- For Auxiliary Heater Heating Element -Z35-
- Removing and installing. Refer to Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .
Ground Cable
- Tightening specification. Refer to OVERVIEW - HEATER AND A/C UNIT .
- For the auxiliary heater
Bolt
- Tightening specification. Refer to OVERVIEW - HEATER AND A/C UNIT .
- Quantity: 3
Hose Clamp
O-Ring
- There are different versions. Refer to the Parts Information.
- Replace. Refer to HEATER CORE, REMOVING AND INSTALLING .