F 250 2WD Pickup V8-5.4L CNG VIN M (1999)
5. Separate the fitting.
6. Remove the Spring Lock Coupling Disconnect Tool
CONNECT
1. Push together the spring lock coupling fittings until the spring engages.
NOTE
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Inspect and clean both coupling ends.
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Replace the O-ring seals.
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Lubricate the O-ring seals with 5W30 engine oil meeting Ford specification WSS-M2C153-F or equivalent prior to installation to help seal and
ease the installation.