Northern Lights M150A13 / M80A13 — Pressure Testing Cooling System
Testing & diagnosis
For the Northern Lights M150A13 / M80A13, from the Northern Lights owner's manual.
Applies to: Northern Lights M150A13
Procedure
- Warm engine, then allow to cool.
- Carefully remove coolant filler cap.
- Fill tank to normal operating level.
- Test coolant filler cap with tester.
- Apply pressure to cooling system.
- Check all hoses, tank, and engine for leaks.
Tools required
- cooling system pressure tester Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Cooling system pressure: 110 kPa (16 psi)
- Radiator cap pressure: 110 kPa (1.1 bar) (16 psi)
Full service-parts list: Northern Lights M150A13 →
Source: Northern Lights 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.