Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›Kohler›Cooling System Leakage Test

Kohler — Cooling System Leakage Test

Testing & diagnosis

From a Kohler service manual covering: AEGIS 17, AEGIS 20, AEGIS 23, LV560, LV625, LV675. Check it applies to your exact model before use.

Browse Kohler generators & specs →

Procedure

  1. With engine cool, remove radiator cap; install cap on adapter and adapter on tester.
  2. Pressurize tester to 15 psi; pressure should hold steady.
  3. Install and lock system adapter/tester onto cooling system neck; pressurize to 14-15 psi.
  4. Observe gauge: steady = no serious leaks; slow drop = small leak; fast drop = serious leak.
  5. If pressure loss, apply soap/water solution and check joints, hoses, components for leakage.

Tools required

  • Pump/pressure type cooling system tester with adapter Amazon

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

Specs & values

  • Radiator cap test 15 psi; system test 14-15 Amazon eBay psi; cap bleeds off above 16 psi.

Source: Kohler service 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.

More Kohler repair guides →