Ford WSG-1068 — Radiator Leak Test, Removed From Vehicle
Testing & diagnosis
For the Ford WSG-1068, from the Ford service manual.
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Before you start
- Never leak test an aluminum radiator in the same water that copper/brass radiators are tested in.
Procedure
- Always install plugs in the oil cooler fittings before leak-testing or cleaning any radiator.
- Clean the radiator before leak-testing to avoid contamination of the tank.
- Leak-test the radiator in clean water with 138 kPa (20 psi) air pressure.
Specs & values
- 138 kPa (20 psi) air pressure
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.