SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1980FORWARD CONTROL 5.7L ENG VIN M, AUTOMATIC TRANS, TRANS MFR CD 400/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESEATON (TWO PC. CASE) LOCKING DIFFERENTIALOVERHAULDISASSEMBLYDIFFERENTIAL
1980 Chevrolet Forward Control 5.7L Eng VIN M, Automatic Trans, Trans Mfr CD 400/M40

EATON (Two Pc. Case) Locking Differential: Overhaul: Disassembly: Differential

1980 Chevrolet Forward Control 5.7L Eng VIN M, Automatic Trans, Trans Mfr CD 400/M40SECTION Differential
  1. With differential removed from housing, remove ring gear and side bearings. Remove 3 screws from front face of ring gear flange. Place differential on right side case half. Using a screwdriver, gently pry case halves apart at yoke hole locations.
  2. Remove left side case half. Hold thumb against inside of gear hub when separating case halves. This will prevent side gear from falling out. If governor and latching bracket are only components being replaced, proceed to step 4)  in Reassembly procedures. To further disassemble, pry under pinion gear yoke to remove from case half.
    NOTE: If cam gear or clutch discs must be replaced, the cam gear assembly must be disassembled as follows:
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.