Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Compressor Clutch: Service and Repair

Disassembly and Assembly





1. Disassemble in the order shown in the figure.
2. Assemble in the reverse order of disassembly, referring to Assembly note.

Assembly note

Pressure plate





1. Measure the clearance between the pressure plate and the rotor pulley.
(1) Set the A/C compressor on a level block.
(2) Fix a dial gauge on a magnetic base and set the measuring probe on the pressure plate surface.
(3) Alternately apply and remove battery positive voltage as shown in the figure. The clearance is the difference in the dial gauge readings.
(4) Compare the measure clearance with the specified clearance below.

Clearance: O.4 - O.6 mm {O.O16 - 0.O23 in}








2. If not as specified, install shims to adjust the clearance.