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

System Specifications

American Axle 8 1/2 and 8 5/8 Inch Ring Gear 2.0 liters (2.1 quarts)
American Axle 9 1/2 Inch Ring Gear 2.6 liters (2.7 quarts)
American Axle 10 1/2 Inch Ring Gear 3.08 liters (3.25 quarts)
Dana 11 Inch Ring Gear 4.0 liters (4.2 quarts)


NOTE: C350OHD models in applications requiring extreme overload/trailer tow conditions at high speeds (above 45 MPH) for extended periods of time should have lubricant changed every 3,000 miles or 3 months, whichever comes first. If synthetic lubricant (GM P/N 12346140 or equivalent) is used, the change interval may be extended to 30,000 miles.