STANDARD PROCEDURE PROPELLER SHAFT ANGLE (You can use a socket and angle gauge in place of the Inclinometer)
(1) Place transmission in neutral.
(2) Raise and support the vehicle at the axles as level as possible.
(3) Remove any external bearing snap rings from universal joint so protractor base sits flat.
(4) Rotate the shaft until transmission/transfer case output yoke bearing is facing downward.
NOTE: Always make measurements from front to rear and from the same side of the vehicle.
(5) Place Inclinometer 7663 (J-23498A) on yoke bearing (A) parallel to the shaft (Fig. 4). Center bubble in sight glass and record measurement.
NOTE: This measurement will give you the Output Yoke Angle (A).
Rotate propeller shaft 90 degrees and place Inclinometer on yoke bearing
parallel to the shaft (Fig. 5). Center bubble in sight glass and record
measurement. This measurement can also be taken at the rear end of the shaft.
NOTE: This measurement will give you the Propeller Shaft Angle (C).
(7) Subtract smaller figure from larger (C minus A) to obtain Transmission
Output Operating Angle.
(8) Rotate propeller shaft 90 degrees and place Inclinometer on pinion yoke bearing parallel to the shaft (Fig. 6). Center bubble in sight glass and record measurement.
NOTE: This measurement will give you the pinion shaft or Input Yoke Angle (B).
(9) Subtract smaller figure from larger (C minus B) to obtain axle Input Operating Angle. Refer to rules given below and the example in (Fig. 7) for additional information.
|Good cancellation of U-joint operating angles (within 1°).|
|Operating angles less than 3°.|
At least 1/2 of one degree continuous operating (propeller shaft) angle.
This page last updated: 16-Apr-2008
and Design © 2002-present WanderingTrail, Ron Seegert
Common Sense and Safety should always be observed when working on your vehicle or doing modifications. Jackstands, wheel blocks, disconnecting the battery are a few of the basic safety precautions that should be used and may not be mentioned in the write ups on this site. You are responsible for your own installation, these write ups are a helpful guideline and should not be taken as an official installation instruction. My write up may be different from the kits currently out there, so alwasy double check the manufacturers installation instructions when installing anything. I try to keep the site up to date with changes that have occured as I discover them, but may not have the latest unless someone lets me know. If you feel that an install is above your capabilities after reading my write ups, I recommend getting together with a club and getting some help. Only a few times have I needed to employe some actual help from a shop to get something done. Usually welding or A/C work.
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