Steering and suspension Radius-rod and bushes - Revision history

HarryMann at 00:03, 23 July 2010

2010-07-23T00:03:09Z

← Older revision		Revision as of 00:03, 23 July 2010
Line 91:		Line 91:

	'''SAFETY:''' So it seems likely that severe corrosion is responsible for these breakages, so if you've any doubt, check them out. These rods act as drag-links for braking loads, they're unlikely to break unless badly corroded, but now at 20+ years, looks like they can if water has been able to lodge between threads for long enough, and at the front mount, it's an ideal water trap between sleeve, rod and rubber bushes. The later design that screws into the lower arm, also seems to have a weak point there		'''SAFETY:''' So it seems likely that severe corrosion is responsible for these breakages, so if you've any doubt, check them out. These rods act as drag-links for braking loads, they're unlikely to break unless badly corroded, but now at 20+ years, looks like they can if water has been able to lodge between threads for long enough, and at the front mount, it's an ideal water trap between sleeve, rod and rubber bushes. The later design that screws into the lower arm, also seems to have a weak point there

			'''HM:''' So clean threads and adjacent bar, and assemble with a grease (rubber grease or maybe copper-slip?), to keep water out and corrosion at bay.

HarryMann: /* Part Nos: */

2008-11-17T22:11:53Z

Part Nos:

@@ Line 26: / Line 26: @@
 ==Part Nos:==
 Rubber Mounting (Inner) 251 407 175 (2) (believe the one with the protrusion goes at the back, i.e. inner)
@@ Line 31: / Line 34: @@
 Rubber Mounting (Inner) 251 407 179 (2)
-Spacer Sleeve 251 407 097 (2)
+Spacer Sleeve 251 407 097 (2) (Now listed as NLA by VW)
 ==Spacer specs.==

HarryMann: /* A broken radius rod */

2008-11-17T22:06:08Z

A broken radius rod

← Older revision		Revision as of 22:06, 17 November 2008
Line 57:		Line 57:
	[[Image:RadiusRod_Broken_01.jpg]]		[[Image:RadiusRod_Broken_01.jpg]]

	'''Andy Syncro-Nutz:''' The screw in type rods i have seen snapped right at the lower arm		'''Andy Syncro-Nutz:''' The screw in type rods i have seen snapped right at the lower arm.

	'''fairwynds:''' I saw one (at a breakers yard!) that was bolted DIRECTLY to the sub frame! The subframe and bar were, to put it politely......s*&%ged! (not bushed with rubbers)		'''fairwynds:''' I saw one (at a breakers yard!) that was bolted DIRECTLY to the sub frame! The subframe and bar were, to put it politely......s*&%ged! (not bushed with rubbers)

	'''~~SAFETY~~:''' ~~It seems likely that severe corrosion is responsible for thes breakages, so if you've any doubt, check them out. These rods act as drag-links for braking loads, they're very unlikely to ever~~ break~~, but now at 20~25 years, looks like they can if water has been able to lodge between threads fro long enough, and at the front mount, it's an ideal water trap between sleeve, rod and rubber bushes~~.		'''Simon Baxter:''' They break fairly frequently.

	~~The rubber~~ bushes and sleeves ~~should probably be disassembled and changed~~ if corroded ~~or worn anyway~~.		Usual thing is for the radius rod bush sleeve to be almsot nothing and the rod starts getting nibbled away, sometimes snapping there, between the bushes but I have seen late ones breaking off just after the thread by the bottom arm.

			Radius rod bushes I can guarantee will be knackered unless you have had them replaced. I don't even think I have taken one off and been able to put it back on again.

			The sleeves are obsolete hence me getting the stainless ones made.

			'''SAFETY:''' So it seems likely that severe corrosion is responsible for these breakages, so if you've any doubt, check them out. These rods act as drag-links for braking loads, they're unlikely to break unless badly corroded, but now at 20+ years, looks like they can if water has been able to lodge between threads for long enough, and at the front mount, it's an ideal water trap between sleeve, rod and rubber bushes. The later design that screws into the lower arm, also seems to have a weak point there

HarryMann: /* A broken radius rod */

2008-11-17T02:09:25Z

A broken radius rod

← Older revision		Revision as of 02:09, 17 November 2008
Line 57:		Line 57:
	[[Image:RadiusRod_Broken_01.jpg]]		[[Image:RadiusRod_Broken_01.jpg]]

	'''Andy Syncro-Nutz:''' I've ~~seen one broken~~ at the ~~thread into the wishbone~~.		'''Andy Syncro-Nutz:''' The screw in type rods i have seen snapped right at the lower arm

			'''fairwynds:''' I saw one (at a breakers yard!) that was bolted DIRECTLY to the sub frame! The subframe and bar were, to put it politely......s*&%ged! (not bushed with rubbers)

			'''SAFETY:''' It seems likely that severe corrosion is responsible for thes breakages, so if you've any doubt, check them out. These rods act as drag-links for braking loads, they're very unlikely to ever break, but now at 20~25 years, looks like they can if water has been able to lodge between threads fro long enough, and at the front mount, it's an ideal water trap between sleeve, rod and rubber bushes.

			The rubber bushes and sleeves should probably be disassembled and changed if corroded or worn anyway.

HarryMann: /* A broken radius rod */

2008-11-17T01:52:38Z

A broken radius rod

← Older revision		Revision as of 01:52, 17 November 2008
Line 56:		Line 56:

	[[Image:RadiusRod_Broken_01.jpg]]		[[Image:RadiusRod_Broken_01.jpg]]

			'''Andy Syncro-Nutz:''' I've seen one broken at the thread into the wishbone.

HarryMann at 01:18, 17 November 2008

2008-11-17T01:18:49Z

← Older revision		Revision as of 01:18, 17 November 2008
Line 1:		Line 1:
	~~'''HarryMann:'''~~ These take braking loads (and accern loads syncro) and control the caster angle by virtue of the		==General==

			These take braking loads (and accern loads syncro) and control the caster angle by virtue of the
	rear nut and cup washer on threaded rod.		rear nut and cup washer on threaded rod.

Line 7:		Line 9:


	Old bushes and ~~sleeve...~~		==Images (old Vs new)==

			Old bushes and sleeves


	[[Image:IMG_2378 (800x600).jpg]]		[[Image:IMG_2378 (800x600).jpg]]
Line 19:		Line 24:
	[[Image:IMG_2362(800x600).jpg]]		[[Image:IMG_2362(800x600).jpg]]

	Part Nos:
			==Part Nos:==

	Rubber Mounting (Inner) 251 407 175 (2) (believe the one with the protrusion goes at the back, i.e. inner)		Rubber Mounting (Inner) 251 407 175 (2) (believe the one with the protrusion goes at the back, i.e. inner)
Line 27:		Line 33:
	Spacer Sleeve 251 407 097 (2)		Spacer Sleeve 251 407 097 (2)

	~~----~~
			==Spacer specs.==

	'''sezicoolcat:''' The spacer is now listed as NLA by Volkswagen		'''sezicoolcat:''' The spacer is now listed as NLA by Volkswagen
Line 44:		Line 51:

	Fine machined finish + anti-corrosion treatment.		Fine machined finish + anti-corrosion treatment.


			==A broken radius rod==

			[[Image:RadiusRod_Broken_01.jpg]]

HarryMann at 21:45, 20 September 2008

2008-09-20T21:45:40Z

← Older revision		Revision as of 21:45, 20 September 2008
Line 4:		Line 4:
	When changing if you need to move the rear nut, then mark its position accurately first (controls caster angle)		When changing if you need to move the rear nut, then mark its position accurately first (controls caster angle)

	When worn and ~~aged~~ as bad as these parts, make quite a difference to handling and surefootness of vehicle...		When worn and corroded as bad as these parts, new ones make quite a difference to handling and surefootness of vehicle, esp. in roundabouts I found.


Line 43:		Line 43:
	Finish:		Finish:

	Fine machined finish, corrosion ~~treated~~.		Fine machined finish + anti-corrosion treatment.

HarryMann at 21:37, 20 September 2008

2008-09-20T21:37:12Z

← Older revision		Revision as of 21:37, 20 September 2008
Line 27:		Line 27:
	Spacer Sleeve 251 407 097 (2)		Spacer Sleeve 251 407 097 (2)

	==		----

	'''sezicoolcat:'''		'''sezicoolcat:''' The spacer is now listed as NLA by Volkswagen

	The spacer is now listed as NLA by Volkswagen

	Material: Hard steel		Material: Hard steel

	Dimensions:		Dimensions (as measured):

	Length 55mm		Length 55mm
Line 41:		Line 39:
	OD 24 mm		OD 24 mm

	ID 19mm		ID 19mm (radius rod and nut is M18x1.5 thread)

	Finish:		Finish:

	Fine machined finish, corrosion treated.		Fine machined finish, corrosion treated.

HarryMann at 21:34, 20 September 2008

2008-09-20T21:34:50Z

← Older revision		Revision as of 21:34, 20 September 2008
Line 19:		Line 19:
	[[Image:IMG_2362(800x600).jpg]]		[[Image:IMG_2362(800x600).jpg]]

			Part Nos:

	Rubber Mounting (Inner) 251 407 175 (2)		Rubber Mounting (Inner) 251 407 175 (2) (believe the one with the protrusion goes at the back, i.e. inner)

	Rubber Mounting (Inner) 251 407 179 (2)		Rubber Mounting (Inner) 251 407 179 (2)

	Spacer Sleeve 251 407 097 (2)		Spacer Sleeve 251 407 097 (2)

			==

	'''sezicoolcat:'''		'''sezicoolcat:'''

HarryMann at 21:33, 20 September 2008

2008-09-20T21:33:10Z

← Older revision		Revision as of 21:33, 20 September 2008
Line 1:		Line 1:
	'''HarryMann:''' These take braking loads (and accern loads syncro) and control the caster angle by virtue of the ~~theraded~~ rod.		'''HarryMann:''' These take braking loads (and accern loads syncro) and control the caster angle by virtue of the
			rear nut and cup washer on threaded rod.

	When changing if you need to move the rear nut, then mark its position accurately first (controls caster angle)		When changing if you need to move the rear nut, then mark its position accurately first (controls caster angle)