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)

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With Dana 80 Axle

TYPE & VISCOSITY
To determine if a differential is a standard type or a limited-slip type, check the axle code listed on label on door lock pillar. Standard Axle Codes -- consist of TWO NUMBERS Limited-Slip Axle Codes -- will consist of ONE LETTER and ONE NUMBER
Standard
GL-5 -- Gear Oil, API Service GL-5
80W-90 GL-5
Limited Slip
GL-5* -- GL-5 Gear Oil With Additive For Traction-Lok differentials.
80W-90 GL-5
CAPACITY
Fill no higher than 1/4 inch to 3/4 inch below fill plug
Refill 8.3