Description
Description
CHAPTER 1.4: HEATER AND WARM AIR DUCTS
DESCRIPTION
| No. | Description | Qty. | Removal notes | Installation notes | Details |
| 1 | Casing and heat exchanger | 1 | Remove coil spring and shock absorber on left hand side of axle | Check casing for corrosion and heat exchanger for combustion deposits | Chapter 1.4 |
| 2 | Bonded rubber mounting | 4 | - | Check bolts for tightness in rubber mountings | - |
| 3 | Lock washer B6 | 4 | - | - | - |
| 4 | Hexagon nut M6 | 4 | - | - | - |
| 5 | Clamp for exhaust pipe | 1 | - | - | - |
| 6 | Exhaust pipe | 1 | Check for corrosion and deposits | Ensure free movement | - |
| 7 | Warm air hose, left (heater to vehicle interior) | 1 | Check for leaks | Ensure tightness of clamps and good seating | - |
| 8 | Warm air hose, right (heater to vehicle interior) | 1 | Check for leaks | Must not touch exhaust pipe, ensure good sealing | - |
| 9 | Clamp for warm air hose | 4 | - | Ensure clamp is tight | - |
| 10 | Warm air hose (heat exchangers to heater) | 2 | Check for leaks | Right hose must not touch exhaust pipe, ensure good sealing | - |
| 11 | Clamp for warm air hose | 4 | - | Ensure clamp is tight | - |
| 12 | Combustion air blower | 1 | - | Check blower fan and vanes for wear and ensure parts are tightly installed | Chapter 1.6 |
| 13 | Housing with vanes | 1 | - | Groove must engage in projection in heat exchanger | Chapter 1.5 |
| 14 | Clamp for blower | 1 | - | - | - |
| 15 | Thermo switch with union nut | 1 | If necessary, use solvent to loosen | Do not bend sensor tube, adjust gap between switch location and union nut (0.31"/8 mm) | Chapter 1.5 |
| 16 | Thermo switch seal | 1 | Replace damaged seat | Ensure proper sealing | - |
| 17 | Glow-spark plug | 1 | Box wrench 22 mm A/F | Clean and check operation | Chapter 1.5 and 1.3 |
| 18 | Plug bush seal | 1 | Replace damaged seal | Ensure proper sealing | - |
| 19 | Ignition coil | 1 | - | - | Chapter 1.5 |
| 20 | Ignition cable | 1 | - | - | - |
| 21 | Overheating switch and cable harness | 1 | If damaged, replace complete | Test overheating switch for continuity | Chapter 1.5 and 1.3 |
| 22 | Clamp for warm air pipe | 2 | - | - | - |
| 23 | Warm air pipe, left, with adapter for temperature sensor | 1 | - | Ensure firm connection and good sealing between adapter and temperature sensor | - |
| 24 | Warm air pipe, right | 1 | - | Ensure firm connection | - |
| 25 | Seal for warm air pipe | 2 | - | Replace damaged seal with new one | - |
| 26 | Flange for warm air pipe | 2 | - | Left and right flange are symmetrically opposite | - |
| 27 | Hexagon head bolt and washer for flange | 4 | - | - | - |
| 28 | Temperature sensor | 1 | - | - | Chapter 1.3 and 1.5 |
| 29 | Clamp for temperature sensor | 1 | - | - | - |