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Caterpillar C27 / C32 — Hoses and Clamps - Inspect/Replace

Maintenance

For the Caterpillar C27 / C32, from the Caterpillar owner's manual.

Applies to: Caterpillar C32

Before you start

  • Pressurized System: Hot coolant can cause serious burns.
  • Do not bend or strike high pressure lines.

Procedure

  1. Inspect all hoses for leaks caused by cracking, softness, and loose clamps.
  2. Replace hoses that are cracked or soft; tighten any loose clamps.
  3. Stop the engine and allow the engine to cool.
  4. Loosen the cooling system filler cap slowly to relieve pressure; remove the cap.
  5. Drain the coolant to a level below the hose that is being replaced.
  6. Remove the hose clamps.
  7. Disconnect the old hose and replace with a new hose.
  8. Install the hose clamps with a torque wrench, per Specifications SENR3130.
  9. Refill the cooling system.
  10. Clean and inspect the filler cap gaskets; replace the cap if gaskets are damaged. Install the cap.
  11. Start the engine and inspect the cooling system for leaks.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Caterpillar C32 →

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.

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