Caterpillar C15 Industrial Engine — Engine Oil and Filter - Change
Maintenance
For the Caterpillar C15 Industrial Engine, from the Caterpillar owner's manual.
Applies to: Caterpillar C1.5 engine
Before you start
- Hot oil and hot components can cause personal injury.
- Do not fill the oil filters with oil before installing them.
- Do not drain the oil when the engine is cold.
Procedure
- After running at normal operating temperature, stop the engine. Drain the crankcase with the oil warm.
- If equipped with a drain valve, turn knob counterclockwise to drain; then clockwise to close.
- If not equipped with a drain valve, remove oil drain plug(s). Clean and install plugs after draining.
- Remove the oil filter with a 1U-8760 Chain Wrench.
- Cut the oil filter open with a 175-7546 Oil Filter Cutter Gp. Inspect for metal debris.
- Clean the sealing surface of the filter mounting base. Remove all old oil filter gasket.
- Apply clean engine oil to the new oil filter gasket.
- Install the oil filter. Tighten until gasket contacts base, then tighten by hand per filter instructions. Do not overtighten.
- Remove oil filler cap. Fill the engine crankcase. Refer to Refill Capacities and Recommendations.
- Crank the engine with fuel OFF to fill oil filters before starting. Do not crank more than 30 seconds.
- Start engine and run at low idle for two minutes. Inspect oil filter for leaks.
- Stop engine and allow oil to drain back to sump for minimum ten minutes.
- Check oil level. Maintain between ADD and FULL marks on oil level gauge.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.