Auxiliary heater

Chapter overview

• Supplementary heating
  1
• 1 Auxiliary coolant heater Thermo Top Z/C B (petrol) or D (diesel)
  1
• 1.1 Safety precautions for working on vehicles with auxiliary heater
  1
• 1.2 Safety measures for when working on vehicles with a start-stop system
  2
• 1.3 Safety precautions when working on the fuel system
  2
• 2 Notes on general repairs on vehicles with auxiliary heaters
  3
• 3 Rules for cleanliness for working on the auxiliary heater and the fuel system
  4
• 4 Switching auxiliary coolant heater on and off
  5
• 4.1 Switching auxiliary coolant heater on and off, vehicles up to week 44/2008
  5
• 4.2 Switching auxiliary coolant heater on and off, vehicles from week 45/2008
  6
• 5 Repairing auxiliary coolant heater Thermo Top Z/C-B or -D, components overview
  8
• 5.1 Auxiliary coolant heater Thermo Top Z/C-B or -D
  8
• 5.2 Removing and installing remote control receiver for auxiliary coolant heater R149
  12
• 5.3 Add-on parts for auxiliary coolant heater
  12
• 6 Removing and installing auxiliary coolant heater Thermo Top Z/C-B or -D
  14
• 6.1 Auxiliary coolant heater Thermo Top Z/C-B or -D
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• 6.2 Removing and installing air intake silencer
  16
• 6.3 Removing and installing circulation pump V55
  16
• 6.4 Removing and installing auxiliary coolant heater bracket
  18
• 7 Connecting auxiliary coolant heater into cooling circuit
  25
• 7.1 Engine codes: BMK, CARA, CARB and CEXA
  25
• 7.2 Engine codes BGH and BGJ
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• 7.3 Engine code: AJS
  27
• 7.4 Engine codes CHNA, CMVA and CPFA
  29
• 7.5 Engine codes BAN, BAP, BRN, BRP and BTT
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• 7.6 Engine codes AYT, BKL and BRK
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• 7.7 Removing and installing heater coolant shut-off valve N279
  31
• 8 Fuel supply for auxiliary coolant heaters Thermo Top Z/C-B or -D
  34
• 8.1 Fuel supply for auxiliary coolant heaters Thermo Top Z/C-B or -D
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• 8.2 Regulation of auxiliary coolant heater Thermo Top Z/C-B
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• 9 Functional description of “large” remote control
  41
• 10 Functional description of “small” remote control
  43