Perkins — Replace the Hoses and the Clamps
Maintenance · Cooling system hoses
From a Perkins operator's manual — check it applies to your exact model before use.
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Before you start
- Pressurized System: Hot coolant can cause serious burns
Procedure
- Stop the engine and allow the engine to cool.
- Loosen the cooling system filler cap slowly to relieve pressure; remove the cap.
- Drain the coolant from the cooling system to a level below the hose being replaced.
- Remove the hose clamps.
- Disconnect the old hose.
- Replace the old hose with a new hose.
- Install the hose clamps with a torque wrench.
- Refill the cooling system.
- Clean the filler cap and inspect the seals; install the filler cap.
- Start the engine and 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: Perkins operator'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.