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Old 07-27-2015, 11:51 AM   #1
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Alpine Owners Club
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grease fitting on drive shaft

i was greasing the u joints on the drive shaft and noticed this one on the shaft and was wondering what it greased? also there was a plastic nut that was loose on the shaft and notice it had threads so i screwed it back tight. was it ok to do this?
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Dennis & Brenda
2006 Alpine Coach 40Fd Limited
2014 Cadillac Srx
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Old 07-27-2015, 12:02 PM   #2
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Looks like the zerk that greases the slip yoke. This allows your driveshaft to get shorter and longer, as your susspension moves.

Ben & Sharon
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Old 07-27-2015, 12:17 PM   #3
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Very hard to see either ZERK or plastic nut but I'm with Wideglide. Greases the slip joint
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Old 07-27-2015, 12:26 PM   #4
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Yep, all the zerks AND the slip joint.
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
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