Caterpillar C15 Industrial Engine — Hoses and Clamps - Inspect/Replace
Maintenance
For the Caterpillar C15 Industrial Engine, from the Caterpillar owner's manual.
Applies to: Caterpillar C1.5 engine
Before you start
- Pressurized System: Hot coolant can cause serious burns.
- Do not bend or strike high pressure lines.
Procedure
- Inspect all hoses for leaks caused by cracking, softness, or loose clamps.
- Replace hoses that are cracked or soft. Tighten any loose clamps.
- Check for damaged or leaking end fittings, chafed or cut outer covering, exposed reinforcement wire, ballooning, kinked or crushed flexible part.
- Replace hoses and clamps: stop engine and allow to cool.
- Loosen the cooling system filler cap slowly to relieve pressure. Remove the filler cap.
- Drain coolant from the cooling system to a level below the hose being replaced.
- Remove the hose clamps. Disconnect the old hose. Replace with a new hose.
- Install the hose clamps with a torque wrench. Refer to Specifications, SENR3130.
- Refill the cooling system.
- Clean the filler cap, inspect gaskets, replace if damaged, install cap.
- Start the engine. Inspect the cooling system for leaks.
Tools required
- torque wrench Amazon
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.