seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

ABOUT US
Securing intake pipe > < Road test for auxiliary heater in vehicle with Climatronic

Leon Mk2

Removing and installing heater unit
Removing and installing heater unit
Special tools and workshop equipment required
   
t  Torque wrench -V.A.G 1410- (4…20 Nm)
  Note
t  Drain coolant before removing. Fill with new coolant after installing and bleed coolant circuit according to instructions. → Chapter
t  Cooling system is pressurized when engine is warm. If necessary, release pressure before carrying out repairs.
  W00-0554
1 - Longitudinal member
2 - Blind rivet nut M8
3 - Fuel line
q   From metering pump -V54- to heater unit.
4 - Coolant hose, return
q   In -B5W- S or -D5W- S to circulation pump -V55-.
q   In -D5W- Z to coolant pipe.
5 - Bracket for heater unit
6 - Hexagon bolt M8×20
q   10 Nm
7 - Exhaust system
8 - Hexagon bolt M6×16
q   6 Nm
9 - Hexagon nut M8
q   10 Nm
10 - Clamping plate
11 - Bracket
12 - Self-tapping screw 4.8x16
13 - Coolant hose
q   From 2nd heat exchanger
14 - Self-tapping screw 4.8x16
15 - Intake pipe
q   Securing intake pipe → Chapter
16 - Heater unit
q   With heater control unit -J162-
q   Dismantling and assembling → Chapter
q   Removing:
  WARNING
Danger of scalding injuries.
When the engine is warm, the coolant temperature may be above 100 °C. The cooling system is pressurised.
If necessary, release pressure and reduce temperature before carrying out repairs.
q   Clamping off coolant hoses at heater unit and releasing them.
  WARNING
Danger of fuel escaping.
Fuel system is under pressure.
Before opening system, wrap a cloth around the connection. Then release pressure by carefully loosening the connection.
q   Disconnect fuel line at heater unit and seal.
q   Disconnect T8 connector (8-pin) from heater control unit -J162-.
  WARNING
Danger of burn injuries.
Silencer could be hot.
Before removing silencer, let it cool off.
q   Unfasten silencer on bracket.
q   Unscrew heater unit with bracket for heater unit.
q   Securing intake pipe → Chapter

   

Securing intake pipe > < Road test for auxiliary heater in vehicle with Climatronic