Drive Flange Number?
07-08-2009, 08:55 AM
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Drive Flange Number?
Something interesting regarding the FJ80:
"The thickness of the drive plates on the front hubs were increased after April 1994 (build date). The new drive flange number is 43421-60040 and the old one is 43421-60022. This is important since certain after-market birfield joints were based on the earlier birfield. If you try to install an earlier birfield into a later truck, you will not be able to install the circlip on the end of the axle shaft."
So, since I have a 94' FJ80- where would I find the Drive Flange Number? Off the VIN to determine the build date?
"1993-1994
* Introduction of 16" wheels.
* Rear axle changes to full floater with disk brakes when equipped with ABS
* Also gets viscous coupling HF2AV transfer case versus
non-viscous HF2A transfer case for drum braked 80's (and fj80's)
* Introduction of 4.5l 24 valve motor.
* Front and Rear factory lockers become an option.
* Automatic transmission - Electronic Controlled A442Fwith mechanical lockup converter
* Somewhere in 1993 the AC system changed from R12 to R134. With the R12 systems the dryer unit was in front of the battery and with the R134 it moved to behind the bumper. Might have been in 1993
* The thickness of the drive plates on the front hubs were increased after April 1994 (build date). The new drive flange number is 43421-60040 and the old one is 43421-60022. This is important since certain after-market birfield joints were based on the earlier birfield. If you try to install an earlier birfield into a later truck, you will not be able to install the circlip on the end of the axle shaft.
* Supercharger systems now available for 1993-1994 models.
* Front ABS Lines are routed on the front control arm.
* Radiator is a 3 row brass core."
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