FORD A4LD CONTINUOUS FRONT SEAL LEAKS

CONTINUOUS FRONT SEAL LEAKS,PREMATURE CONVERTER HUB WEAR,PREMATURE PUMP GEAR DAMAGE,ON 2.8L, 2.9L AND 4.0L ENGINES ONLY
elm327
COMPLAINT:
After rebuild, continuous leaks from the front pump seal area, possibly premature bushing
wear and/or wear on the torque converter hub seal area, and in extreme cases may exhibit
premature front pump gear breakage. The complaint may be any or all of the above,
depending on the extent of the wear.

CAUSE:
The cause may be a “Crankshaft to Flywheel Spacer” worn in the area that supports the
torque converter pilot hub, allowing a mis-alignment of the torque converter to pump, on
models equipped with 2.8L, 2.9L and 4.0L engines only.

CORRECTION:
Inspect the “Crankshaft to Flywheel Spacer” for any abnormal wear and replace as
necessary. Refer to Dimension “A” in Figure 1 to measure the spacer. Dimension “A” on a
new spacer is .750”, and the OEM part number is D4ZZ-6434-A.

SERVICE INFORMATION:
Crankshaft to Flywheel Spacer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D4ZZ-6434-A

 

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