Service Rear Differential
16:07
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What happens here
Move to the rear differential. Locate the fill plug (17mm) at the top and the drain plug (10mm) at the bottom. Repeat the same procedure as the front differential: loosen the fill plug first, then remove the drain plug and allow the old fluid to drain into the oil pan. Clean the drain plug and its gasket. Reinsert and gently snug the drain plug. Use the flexible tubing and Lucas Oil Synthetic SAE 75W-90 Gear Oil to refill the differential until fluid begins to seep out of the fill hole. Reinstall the fill plug and snug it gently. Document this service alongside previous entries.
Goal: Change the rear differential fluid.
Tools and materials
- 10mm Socket — Removing and tightening the differential drain plug
- 17mm Socket — Loosening and tightening the differential fill plug
- Flexible Tubing — Transferring gear oil into the differential
- Oil Drain Pan Vevor — Collecting old differential fluid
- Ratchet — Operating the sockets
- Sharpie Marker — Documenting service details
- Clean Rags — Wiping spills and cleaning