Universal Joint - Greasable Design Availability
Article No.97-20-15
09/29/97
^ DRIVESHAFT - U-JOINT - AVAILABILITY OF GREASEABLE SERVICE PARTS
^ DRIVESHAFT - U-JOINT - IDENTIFICATION OF SERVICE PARTS BY MEASUREMENT
^ DRIVESHAFT - U-JOINTS - IDENTIFICATION OF SERVICE PARTS BY MEASUREMENT
LIGHT TRUCK:
1990-96 BRONCO
1990-97 AEROSTAR, ECONOLINE, F SUPER DUTY, F-150-350 SERIES, RANGER
1991-97 EXPLORER
1997 EXPEDITION, MOUNTAINEER
ISSUE:
Available U-joints for driveshaft service are not always identifiable through model application charts. Some customers may request greaseable U-joints as a personal preference.
ACTION:
Refer to the following Service Information for availability of U-joint with grease fittings.
SERVICE INFORMATION
TO IDENTIFY U-JOINT BY MEASUREMENT:
1. Remove the old U-joint.
2. Measure U-joint using the following measuring procedure.
a. Remove bearing cups.
b. Remove excess grease from bottom of bearing cups and trunnions.
c. Remove seals from bearing cups and trunnions.
d. Reinstall bearing cups on trunnions.
e. Measure as follows, permitting a tolerance of 10.005" at Dimension "G" in Figure 1 with Dimension "D" and "E" at 10.003".
Outside Snap Ring Style (Figure 1)
A) Measure "G" dimension and record.
B) Measure "D" dimension and record.
C) Measure "E" dimension and record,
3. Identify U-joint part number using reference dimensions in the Light Truck Cross Reference Chart found at the end of this TSB article.
TO IDENTIFY GREASEABLE U-JOINT FOR SERVICE:
For customers who demand greaseable U-joints due to their specific vehicle duty cycle, refer to Light Truck Cross Reference Chart found at the end of this TSB article.
Greaseable U-joints are typically recommended only for vehicles which operate 100% of the time in a high grit environment (e.g., coal mines).
NOTE:
GREASEABLE U-JOINTS DO NOT CONTAIN END PLAY THRUST WASHERS AND MAY CAUSE NOISE/VIBRATION/HARSHNESS (NVH) CONCERNS ON CERTAIN APPLICATIONS.
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 509000, 590000, 597997