Member Since: 14 Oct 2005
An angle grinder won't fit in to cut off the rear bolts.
It's the rear upper bolt (next to the air spring). you can undo them & release the captive nut, but the bolt will be siezed in the bush,(woith bolt & bush turning together), then you have to cut them off with a reciprocating saw or similar.
If you are unlucky, sometimes the upper hub/wishbone bolt also siezes in the ball joint (the one that adjusts the rear camber. If this is the case, you have to remove the hub carrier, (by taking off the caliper, brake discs, handbrake shoes, handbrake cable & press the driveshaft out). Then you can cut the bolt out & press a new ball joint in the hub carrier.
Best to use aluminium or copper grease on reassembly.
1st Oct 2010 2:17 pm
Member Since: 22 Oct 2008
Location: North Devon
Cheers for the info , I would be changing the complete arm with new bolts , are you saying the bolt will undo from the captive nut but won't come out of the bush ??
From your experience , would you do this type of job on the driveway ?
1st Oct 2010 2:50 pm
Member Since: 14 Oct 2005
Sometimes it can go ok, but sometimes it's a real pain.
If you are mechanically minded & have a press & can fabricate some mandrels etc if you need them, then maybe.
You have to undo this one until the nut comes off, then cut on the LH side, between the chassis piece & bush.
This is the other ball joint that can seize (this one came apart ok)
Can get the spanner on the bolt but hardly any room to move the spanner to crack the bolt off
Had a lever bar under the spanner as it was too tight to undo by hand but still it would not budge !!
Then came the rain so I packed up and went in
Cant see how you can get any leverage on the damn bolt
3rd Oct 2010 8:46 pm
gruodiz Site Supporter
Member Since: 16 Nov 2011
I saw a post (but can't find it right now) that guys use RRS' rear upper arm rear bush for disco which is totaly different RHF500130, it's a ball inside not two cones as in Disco. Disco part number is RGX500121.
BTW I use reciprocating saw which works just great to cut that bolt.
Got (just) the bushes in mine. Current: Discovery 3 06MY (55 reg) HSE Auto Zambezi Silver Allisport Fast Road Intercooler, V8 Brakes, Silicone IC Hoses, EGRs Blanked, Remapped, De-Cat pipe, FBHIC
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