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

Torque and Clearance Data

Piston deviation from Nominal dimensions max. 0.04 mm
Piston Ring Gap New Wear Limit
Compression Ring 0.20 - 0.40 mm 0.8 mm
Oil Scraper Ring 0.25 - 0.50 mm 0.8 mm
Piston Ring Clearance New Wear Limit
Compression Rings 0.06 - 0.09 mm 0.20 mm
Oil Scraper Ring 0.03 - 0.06 mm 0.15 mm
ConRod Axial Clearance New 0.05 - 0.31 mm
ConRod Axial Clearance Wear Limit 0.37 mm
ConRod Radial Clearance New 0.01 - 0.06 mm
ConRod Radial Clearance Wear Limit 0.12 mm
Main Bearing Cap Bolts 65 Nm + 1/4 turn further
Engine Speed Sensor Wheel Bolt 10 Nm + 1/4 turn