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

Fluid - Differential

GEAR OIL

Anticipated Temperature Before Next Oil Change

Below 50°F (10°C) 75W

Below 86°F (30°C) 80W

Below 104°F (40°C) 75W-90, 80W-90

Between 14°F (-10°C) & 86°F (30°C) 85W

Between 14°F (-10°C) & 104°F (40°C) 90W

Above 50°F (10°C) 140W

API GL-5 VISCOSITY (Preferred): SAE 80W-90