[QUOTE=OUScooby;1998592]Well it didn't take long for me to reach another stumbling block. When tightening the camshaft sprocket bolts to the 20NM + 90degrees, it was on the 90degree part that my chain tensioner tool decided to brake.

I see that you have gone for 20 NM + 90 degrees even though you showed an extract from the Workshop Manual stating 115-125 NM (which is only for the bolts that are not hollow). I am not sure if the torque "20 NM + 90 degrees" shown in the torque table of the manual is correct (it might be too much) so I followed the specified 115-125 NM. This torque is also stated in the Jaguar recall document "303-32 VVT Bolt" attached by motorcarman.

For your VVT bolt, did you also use 20 NM + 90 degrees? If yes, this is certainly wrong and could be way too much. As per document "303-32 VVT Bolt", the correct torque is 85-90 NM.

If you have done both, exhaust and intake, cam bolts to 20 NM + 90 degrees, it is probably now necessary to replace them all (especially the hollow bolts) with new ones and torque correctly. Let us know what are the steel grades stamped on the bolt heads, 10.9 or 12.9.

There are errors in the Jaguar documents so one has to be careful and double check with the recalls and TSB-s. A couple of examples of wrong torques stated in the Workshop Manual:



This torque specified for the exhaust downpipe nuts would brake the studs. They are M8 only and the correct torque should be some 30-34 NM:

 

[QUOTE=M. Stojanovic;1998775]Yes I torqued to 20N plus 90, thats what my service manual said. I didn't see the TSB that said 115-125NM. I saw the TSB for the hollow VVT bolts but since my SC car is non VVT I went with the 20NM plus 90. I'll but a torque bar on it today and see where its tightend to. If its too much, no big deal, I've got a set of warped head with cam lying around, I can steal the bolts off that.

 

OK so the cam sprocket bolts have been replaced with the other bolts I had and torqued to 120NM, which incidentally felt to my hand at least about the same as 20NM + 90 degrees. I'm suspecting that may be while they put that in the written instructions and in the diagram put 115-125NM. Any way got that squared away and went to install my timing cover only to find that the replacement lower seal I ordered did not fit. In the button corners it is supposed to have round rings, instead my new one has those rounded rectangular nubs (The pictures below show it better than I am explaining it). Now to find a new lower gasket. I've got a new water pump gasket ready for pick up at the parts store tomorrow morning as well as the outlet pipe seals.



Annoyingly I noticed something when I was redoing the cam sprocket bolts, looking down through the engine bay, there on the floor of the garage was my exhaust gasket, the one between the header and the downpipe. I must have fallen off when I was installing the head and I failed to notice. Now I'm going to have to drop down the exhaust next time I get under there to put that back in place. Not a big deal, but it is frustrating. Seems this car just keeps throwing hurdles at me!
That's where things sit now, can't do anything else put wait for parts.

 

I had the same situation when I did my XK8. That gasket you got is for a Lincoln LS, generally the same as the Jaguar engine with a few differences like the timing cover and headgaskets.
What you need is Jaguar part# NCA2127AC. I found an aftermarket on S &G Barrett reasonably priced.

 

That's the same part number that I ordered, from a jaguar parts website no less and that matches the part no on the packaging. I've already ordered another one from my local auto parts store. It costs more than twice what this one did but at least it will be here tomorrow.

 

I believe that part number has been superseded to AJ83700. Bear in mind that some of these gaskets and seals are VIN-specific, or may have been superseded.

 

This is a Fel Pro from Autozone. Notice the rectangles in the corners.
This is for the Lincoln LS 3.9L

This is the one from S & G Barrett. It has the rounds on the corner. It is priced at $17.
This for a Jaguar 4.0L

This is from my parts list when I did the 2000 XK8.


SNG Barrett for next items.
Timing cover gaskets:
AJ83699. $16
NCA2127AC. $17(Lincoln LS different)

This was a couple of years ago so the prices may have changed.
I got mine from S & G and it fit perfectly.

 

The AJ28 (X200 4.0) uses the same outer timing cover seal as the LS 3.9.
All inner seals are the same (AJ26, AJ27, AJ28)

As NBCat and BobRoy stated, the outer seals need to be ordered by application, model and year.

I usually keep one or two inner seals but I stock ONE OF EACH outer seals for the timing covers.

bob