Caterpillar C15 Industrial Engine — Cooling System Coolant Sample (Level 2) - Obtain

Maintenance

For the Caterpillar C15 Industrial Engine, from the Caterpillar owner's manual.

Applies to: Caterpillar C1.5 engine

Before you start

Always use a designated pump for oil sampling and a separate designated pump for coolant sampling.

Procedure

Refer to 'Cooling System Coolant Sample (Level 1) - Obtain' for proper sampling guidelines.
Submit the sample for Level 2 analysis.
For additional information, refer to Refill Capacities and Recommendations or consult your Caterpillar dealer.

Tools required

sampling bottles Amazon
mailing tube 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.

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