Expedition 2WD V8-281 4.6L SOHC (1998)
Radiator: Testing and Inspection
CAUTION: Never leak test an aluminum radiator in the same water that copper/brass radiators are tested in. Flux and caustic cleaners may be
present in the clearing tank and they will damage aluminum radiators.
NOTE:
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Always install plugs in the oil cooler fittings before leak-testing or cleaning any radiator.
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Clean the radiator before leak-testing to avoid contamination of tank.
1. Leak-test the radiator in clean water with 138 kPa (20 psi) air pressure.
