Ford WSG-1068 — Pinpoint Test B: The Engine Overheats
Testing & diagnosis · Cooling system
For the Ford WSG-1068, from the Ford service manual.
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Before you start
- NEVER REMOVE THE PRESSURE RELIEF CAP WHILE THE ENGINE IS OPERATING OR WHEN THE COOLING SYSTEM IS HOT.
Procedure
- Check engine coolant level at the degas bottle; refill if low.
- Check the coolant condition for rust, corrosion or discoloration; flush if not OK.
- Check for an airflow obstruction at the radiator; remove and clean.
- Check the heater core and/or LPG evaporator operation.
- Check water thermostat operation by feeling inlet/outlet hoses after ten minutes running.
- Check cooling fan operation.
Source: Ford 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.