Workshop Manuals Factory service & repair Aston Martin
01 Introduction and safety02 Electrics03 Body and trim04 Air conditioning05 Diagnostic system (PDU)
Aston Martin DB7 Factory Workshop Manual Volume 2: Electrics, Body and Air Conditioning (1994-1998)04 · Air conditioning
04 · Heating & A/C

Data

Make
Aston Martin
Model
DB7 Factory Workshop Manual Volume 2: Electrics, Body and Air Conditioning
Year
1994–1998
Section
Repair procedures › Data
Air conditioningData · page 1 of 2

Data

Torque Figures
Cylinder head bolts 29.83 - 33.9 Nm

Procedure

  1. Open the bonnet and fit a wing cover.
  2. Depressurise the air conditioning system.
  3. Remove the compressor.
  4. Position the compressor in a vice, tighten the vice onto the compressor body lugs.
  5. Remove the outlet port blanking plate securing bolt and detach the plate.
  6. Remove the ‘O’ ring seals from the compressor outlet port.
  7. Remove the cylinder head securing bolts and detach the cylinder head (Fig. 1-1) from the cylinder block.
  8. Remove valve plate (Fig. 1-2) from the compressor.
  9. Remove all traces of gasket material from the mating surfaces of the cylinder head and compressor.
  10. Apply clean refrigerant oil to the gaskets and then position them on the valve plate.
  11. Position the cylinder head (Fig. 2-1) on the cylinder block (Fig. 2-2), fit and tighten the securing bolts in the sequence shown in Fig. 3.
  12. Fit new ‘O’ ring seals in the compressor outlet port, position the outlet port blanking plate and fit and tighten the securing bolt.
  13. Check and top up compressor oil
  14. Refit the compressor.
  15. Recharge the air conditioning system.
Cylinder head being positioned on cylinder block with hand holding it.
Cylinder head being positioned on cylinder block with hand holding it.
Circular diagram showing six bolt positions numbered 1 to 6, with position 2 and 4 highlighted.

Parts & tools for this job For 1994 Aston Martin DB7

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.