Expedition 4WD V8-4.6L SOHC VIN 6 (1997)
specification WSH-M1C231-B.
4. Install the suction accumulator/drier.
5. Install the accumulator bracket clamping bolt.
6. Check for a missing or damaged A/C tube lock coupling spring. A damaged spring can be removed with a small hooked wire. Install a new
spring if the old one is damaged or missing.
7. Clean the fittings.
8. On the (A) female spring lock coupling, check the inside of each fitting for scratches, corrosion or debris from deteriorated (B) O-rings.
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Remove any surface residue from the inside of the coupling by polishing with 400-grit emery cloth (or equivalent). Polish the surface by
using a twisting motion so that any scratches made will not cross the O-ring sealing surface. Finish polishing with 600-grit emery cloth or
equivalent. Remove all polishing residue from the fitting with a lint free cloth.
