Parts - Crankshaft - Revision history

HarryMann at 19:24, 2 October 2013

2013-10-02T19:24:26Z

← Older revision		Revision as of 19:24, 2 October 2013
Line 52:		Line 52:
	[[Image:Diesel_Pulley_Bolt_02.jpg]]		[[Image:Diesel_Pulley_Bolt_02.jpg]]

	[http://archive.club8090.co.uk/viewtopic.php?f=12&t=73694 ~~Forum~~ topic confirming unexpected but total failure, circa 90,000 miles]		[http://archive.club8090.co.uk/viewtopic.php?f=12&t=73694 Archived forum topic confirming unexpected but total failure, circa 90,000 miles]

2013-10-02T19:23:38Z

← Older revision		Revision as of 19:23, 2 October 2013
Line 52:		Line 52:
	[[Image:Diesel_Pulley_Bolt_02.jpg]]		[[Image:Diesel_Pulley_Bolt_02.jpg]]

	[http://~~forum~~.club8090.co.uk/viewtopic.php?f=12&t=73694 Forum topic confirming unexpected but total failure, circa 90,000 miles]		[http://archive.club8090.co.uk/viewtopic.php?f=12&t=73694 Forum topic confirming unexpected but total failure, circa 90,000 miles]

2010-08-22T13:51:14Z

Crankshaft pulley and bolt (Service Bulletin - Warning)

← Older revision		Revision as of 13:51, 22 August 2010
Line 32:		Line 32:
	==Crankshaft pulley and bolt (Service Bulletin - Warning)==		==Crankshaft pulley and bolt (Service Bulletin - Warning)==

	It is known that (at least on 1.9TDs, AAZs) this area can give problems		It is known that (at least on 1.9TDs, AAZs) this area can give problems (serious)

	The early pulley and bolt design can fret and come loose, allowing the timing to 'wobble' - poor idling and erratic running being the initial sympton, degrading to complete disaster if the crank timing pulley registration moves significantly.		The early pulley and bolt design can (and frequently does) fret and come loose, allowing the timing to 'wobble' - poor idling and erratic running being the initial sympton, degrading to complete disaster if the crank timing pulley registration moves significantly.

	'''Warning''' Subsequently it can break altogether or strip, but the final upshot can be total loss of valve timing and hence valve/head contact		'''Warning''' Subsequently it can break altogether or strip, but the final upshot can be total loss of valve timing and hence valve/head contact
Line 51:		Line 51:

	[[Image:Diesel_Pulley_Bolt_02.jpg]]		[[Image:Diesel_Pulley_Bolt_02.jpg]]

			[http://forum.club8090.co.uk/viewtopic.php?f=12&t=73694 Forum topic confirming unexpected but total failure, circa 90,000 miles]

2010-08-22T12:31:49Z

Crankshaft pulley and bolt

← Older revision		Revision as of 12:31, 22 August 2010
Line 30:		Line 30:


	==Crankshaft pulley and bolt==		==Crankshaft pulley and bolt (Service Bulletin - Warning)==

	It is known that (at least on 1.9TDs, AAZs) this area can give problems		It is known that (at least on 1.9TDs, AAZs) this area can give problems

2010-08-22T12:26:06Z

Crankshaft pulley and bolt

← Older revision		Revision as of 12:26, 22 August 2010
Line 34:		Line 34:
	It is known that (at least on 1.9TDs, AAZs) this area can give problems		It is known that (at least on 1.9TDs, AAZs) this area can give problems

	The early pulley and bolt design can fret and come loose, allowing the timing to 'wobble' - poor idling and erratic running being the initial sympton, degrading to complete disaster if the crank timing pulley registration moves significantly		The early pulley and bolt design can fret and come loose, allowing the timing to 'wobble' - poor idling and erratic running being the initial sympton, degrading to complete disaster if the crank timing pulley registration moves significantly.

			'''Warning''' Subsequently it can break altogether or strip, but the final upshot can be total loss of valve timing and hence valve/head contact

	A 100% repair depends on how far it has gone and how much damage has occurred on the crank end.		A 100% repair depends on how far it has gone and how much damage has occurred on the crank end.

2010-08-22T12:22:00Z

Crankshaft pulley and bolt

← Older revision		Revision as of 12:22, 22 August 2010
Line 32:		Line 32:
	==Crankshaft pulley and bolt==		==Crankshaft pulley and bolt==

	It is known that (at least on 1.9TDs) this area can give problems		It is known that (at least on 1.9TDs, AAZs) this area can give problems

	The early pulley and bolt design can fret and come loose, allowing the timing to 'wobble' - poor idling and erratic running being the initial sympton, degrading to complete disaster if the crank timing pulley registration moves significantly		The early pulley and bolt design can fret and come loose, allowing the timing to 'wobble' - poor idling and erratic running being the initial sympton, degrading to complete disaster if the crank timing pulley registration moves significantly

2009-05-19T11:28:23Z

Crankshaft pulley and bolt

← Older revision		Revision as of 11:28, 19 May 2009
Line 42:		Line 42:
	As a precautionary minimum, on any engine with the old (hex) bolt, fit a new (modded, 12-point) bolt and loctite it. Use the correct Part No. and tightening procedures [[Parts - Part Nos\|Rebuild Part Nos and some torques]]		As a precautionary minimum, on any engine with the old (hex) bolt, fit a new (modded, 12-point) bolt and loctite it. Use the correct Part No. and tightening procedures [[Parts - Part Nos\|Rebuild Part Nos and some torques]]

	This is what the later bolt looks like:		This is what the later bolt looks like (sorry, a bit blurred):

	[[Image:Diesel_Pulley_Bolt_01.jpg]]		[[Image:Diesel_Pulley_Bolt_01.jpg]]

			Sorry, wrong one very sharp! :)

			[[Image:Diesel_Pulley_Bolt_02.jpg]]

2009-05-19T11:16:56Z

Crankshaft pulley and bolt

← Older revision		Revision as of 11:16, 19 May 2009
Line 40:		Line 40:
	At a minimum a new bolt and crank-pulley wheel is required.		At a minimum a new bolt and crank-pulley wheel is required.

	As a precautionary minimum, on any engine with the old (hex) bolt, fit a new (modded, 12-point) bolt and loctite it. Use the correct Part No. and tightening procedures ~~(see Here)~~		As a precautionary minimum, on any engine with the old (hex) bolt, fit a new (modded, 12-point) bolt and loctite it. Use the correct Part No. and tightening procedures [[Parts - Part Nos\|Rebuild Part Nos and some torques]]

	This is what the later bolt looks like:		This is what the later bolt looks like:

	[[Image:Diesel_Pulley_Bolt_01.jpg]]		[[Image:Diesel_Pulley_Bolt_01.jpg]]

2009-05-19T11:13:34Z

Crankshaft pulley and bolt

← Older revision		Revision as of 11:13, 19 May 2009
Line 31:		Line 31:

	==Crankshaft pulley and bolt==		==Crankshaft pulley and bolt==

			It is known that (at least on 1.9TDs) this area can give problems

			The early pulley and bolt design can fret and come loose, allowing the timing to 'wobble' - poor idling and erratic running being the initial sympton, degrading to complete disaster if the crank timing pulley registration moves significantly

			A 100% repair depends on how far it has gone and how much damage has occurred on the crank end.

			At a minimum a new bolt and crank-pulley wheel is required.

			As a precautionary minimum, on any engine with the old (hex) bolt, fit a new (modded, 12-point) bolt and loctite it. Use the correct Part No. and tightening procedures (see Here)

			This is what the later bolt looks like:

			[[Image:Diesel_Pulley_Bolt_01.jpg]]

2009-05-19T11:06:54Z

← Older revision		Revision as of 11:06, 19 May 2009
Line 28:		Line 28:

	Alternatively, when installing the seal in is housing, it can sometimes be fitted in a slighly different position such that the lip sits on a fresh part of the journal. Lube well prior to installing the housing.		Alternatively, when installing the seal in is housing, it can sometimes be fitted in a slighly different position such that the lip sits on a fresh part of the journal. Lube well prior to installing the housing.


			==Crankshaft pulley and bolt==