Join Date: Apr 2009
Location: Forsyth County, GA
Feedback: 1 reviews
Why the Plastic coating on Aftermarket Driveshaft Splines?
I took my Tatton Drive shaft out this past weekend to re-affix the OEM dust shield on the rear pinion flange.
The two halves of the driveshaft were basically seized together on the splines. I used a hammer and finally got them apart.
There was a thin layer of plastic on the splines that was all chewed up and cracked. I removed it, greased up the splines and put it all back together.
Now I am reading that the plastic is necessary for tolerances and balancing the shaft. I called several driveshaft places including Tatton and there is no way to replaced the plastic. The spline must be Cut off and a new spline with the plastic has to be welded on. Then the entire assembly needs to be rebalanced.
How ridiculous is that? Older vehicles never had plastic coating on splines and slip joints or slip yokes.
So for now I'm driving it without plastic and it seems fine but the shops I have called said driveshaft needs to be repaired and not to drive it.
The prices I have gotten are $150 - $225 to replace the spline.
Tatton is sending me a Brand New shaft without the Yokes for $260 shipped. This way I get new shaft, new splines and all new CV and U-joints.
Does anyone make a DS without the plastic? Is it required since DS don't use hardened steel or something? Seems crazy to me.
I guess I'll do a better job of keeping this one greased and clean. The first one lasted 40K miles. All the Joints are great .. just the damn plastic cracked and flaked. Luckily I didn't damage my Transfer case with a seized slip joint.
2009 JK - 2DR - 6SPD - 1/2 Doors
4.88 G2 Gears / Warn XD9000i / Custom bumpers & Swing Gate
XRC Rock Rails / 35" Kumho's on Black Rock Vipers
2.5" Mutt Lift / Rubicon T-Case / E-DISCO / VIAIR OBA
Rear CV Driveshaft / Rear Detroit Locker / Front Aussie
Teraflex Sleeves / Gussets / Nitro Chromoly Axles