Caterpillar 3044C — Engine Oil and Filter - Change
Maintenance · Engine oil and oil filter
For the Caterpillar 3044C, from the Caterpillar owner's manual.
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Before you start
- Hot oil and hot components can cause personal injury.
- Do not drain oil when engine is cold.
- Do not fill oil filters with oil before installing.
Procedure
- Drain oil: run engine to normal operating temperature, stop. Drain crankcase with warm oil.
- If drain valve, turn counterclockwise to drain then close. If no valve, remove oil drain plug.
- Replace oil filter: remove with 1U-8760 Chain Wrench.
- Cut filter open with 175-7546 Oil Filter Cutter Gp. Inspect pleats for metal debris.
- Clean sealing surface. Apply clean engine oil to new filter gasket. Do not fill filter with oil.
- Install filter. Tighten until gasket contacts base, then hand tighten per instructions. Do not overtighten.
- Fill crankcase with proper oil. Refer to Operation and Maintenance Manual for refill capacities.
- Crank engine with fuel OFF to fill filters. Do not crank more than 30 seconds.
- Start and run at LOW IDLE for two minutes. Inspect for leaks.
- Stop engine, allow oil to drain back for minimum 10 minutes. Check oil level between MIN and MAX.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 30 seconds
- 10 minutes
Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.