GU4.2td TDC marks

Submitted: Friday, Mar 11, 2005 at 22:00
ThreadID: 21154 Views:2745 Replies:3 FollowUps:2
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Having trouble finding the TDC marks on my 2000 Patrol, different to the GU.
I was told to get a mirror and look up under the top pulley but I'm just going around in circles.......any help greatly appreciated.....it seems Mr Gregory doesn't
consider the GU (4.2)worthy of a publication ?.....thanks Porks !
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Reply By: warthog - Friday, Mar 11, 2005 at 22:24

Friday, Mar 11, 2005 at 22:24
The new gregory's #519 has been updated to include the 2.8,td42,td42t and td42ti. It is not what you would call comprehensive but on page 101 it shows a photo of the crankshaft pulley with tdc mark and corresponding mark on the timing cover. There is a 26 page chapter covering the 3 td42 variants, though it is still predominantly a zd30 manual and goes into more detail on that engine as I spose it has to.....
AnswerID: 102117

Follow Up By: porks - Friday, Mar 11, 2005 at 22:52

Friday, Mar 11, 2005 at 22:52
Thanks Warthog, I had that manual in my hands this afternoon and could find no reference to 4.2td, however I'll have another bo-peep at page 101 tomorrow morning. I can only find a paint blob on my timing cover, surely not a precise measuring point ??...cheers
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FollowupID: 359920

Reply By: warthog - Friday, Mar 11, 2005 at 23:47

Friday, Mar 11, 2005 at 23:47
Just checked my 2000 td42t with a torch and there is a line on what I would call the harmonic balancer and a line on the timing cover at about 10 or 11 oclock in relation to the harmonic balancer( this is called the crankshaft pulley in the gregory's manual). I have 2 Gregory's #519 manuals, the cover of the 1st reads "GU series diesel 2000-2002". The cover of the latest which I ordered from Haynes Manuals in Melb and recieved last week reads "GU series diesel 1998-Sept 2004". Page 101 on the old manual lists the headings Throttle Pedal and Fuel Tanks.
AnswerID: 102125

Reply By: porks - Saturday, Mar 12, 2005 at 19:51

Saturday, Mar 12, 2005 at 19:51
G'day Warthog, well that circle just keeps getting bigger.
Checked out a 519 manual this morning but it was positively strictly for
3litre models as mentioned in it's introduction page.
Have just emailed Haynes and will wait and see if they mention the mark 2..519
you referred to.
However I have spent ages underneath carefully looking for a timing cover mark
and all I can find is a 'paint blob', intersting though as the cross cut mark on the pulley also has a 'paint blob'directly behind it. I'm assuming that a drilled hole in
the harmonic balancer is a weight balance hole ?
Thanks for your input.
AnswerID: 102189

Follow Up By: warthog - Saturday, Mar 12, 2005 at 22:40

Saturday, Mar 12, 2005 at 22:40
The mark I am referring to is on the horizontal, not vertical where the holes are, surface of the crankshaft pulley.
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FollowupID: 359991

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