6.9 engine rebuild with pics

[nathan]

this is one area thats pot luck. there are so many variants of washer pump connectors I just started ordering bits.  the hosing drives me nuts.  the factory part is now black which looks rubbish.  I then got the correct stuff, but not 8m I wanted (although I do have 8m of black tube now dang it!)

[Squiggle Dog]

Does this help? http://www.autohausaz.com/search/product.aspx?searchtype=partnumber&partnumber=0109978982&searchbutton.x=17&searchbutton.y=15

[nathan]

Ha, you would think so SW. Order it and I'm pretty sure the black stuff will turn up! its what the number seems to supercede too! I think I used that number and it bloody well ended up being the black stuff!

[Max-NL]

Nathan,

First of all, ooooohhh shiny shiny new parts  .

Second, thanks for the pics of the bolts. But actually the 6.9 originally didn't use bolts, but studs. If you look at the 350/450 manual, they use bolts which you've shown. but if you look at the 6.9 manual, they use studs and springs and spacers. I think they did this to compensate for the expansion because of the heat, but I'm not sure. And I'm searching info about the studs since they are NLA.

But thanks anyway.

[nathan]

Hi Max,
I think the early cars like yours (wow #140!) had the springs as in your pic, but later ones did not.  The Aussie ones are all essentially later models.  This was from the EPC.

[wbrian63]

I have #521 and springs and studs were used on the exhaust pipe to manifold connection. Can confirm that #1164 also had the same setup.

I have a question about your timing chain rail purchases.
I pulled the part #'s from your images and contacted Tom Hanson to see about price and availability. I'm getting some conflicting responses that are driving this question.

Where did you get your part #'s. If off the original parts, then the assumption is that what you got will fit in place of what is there now. However, when I look in EPC, going to the Timing section for the M100985 motor, panel #2 is the M100 motor. Panel #1 (at least as far as the image goes) isn't a 6.9 motor, as you can see the oil filler cap on the RHS cam cover.

At any rate, per panel #2, these are the part #'s for the 5 rails that make up the timing chain guides:
100-052-02-16 - Sliding Rail Cylinder Head Left
115-052-07-16 - Sliding Rail Crankcase Left
100-052-01-16 - Sliding Rail Cylinder Head Right
116-050-27-16 - Sliding Rail Crankcase Right
100-050-01-15 - Tightening Lever

This list differs from the parts you received by one item - you got 115-052-04-16 instead of 115-052-07-16.

Per Tom Hanson, 115-052-07-16 has been replaced by 180-050-07-16 which is stupid expensive compared to the counterpart on the RHS of the motor.  List price for 116-050-27-16 is $9.50US. List price for 180-050-07-16 is $308.00US.

Further, 100-052-01-16 is NLA.

What's strange is that in EPC, panel 1 shows 3 parts available - #'s 280, 293 and 299. (Found this by searching for 180-050-07-16 and selecting a 100.985 motor from the list. If you pick a 116036 car and go to Panel 1 under Engine/Timing, the reference #'s are different - yay...)
280 is the upper sliding rail, right cylinder head - 180-050-08-16
293 is the upper sliding rail, left cylinder head - 123-052-01-16
299 is also an upper sliding rail, left cylinder head - 115-052-04-16, which is the part you received. List on this part is $71.00US.
Stranger still, 280 shows to have been replaced by 123-052-01-16 - same part # as spec'd for 293.

I'm flying blind on this effort, as I've not disassembled my motor for timing chain refurbishment, so I can't validate part #'s from the items on the engine.

What's your take on the discrepancy of part #'s spec'd for the LHS Crankcase Sliding Rail?

[s class]

Brian, what you refer to as panel 1, is for the 6.3 motor.  Only panel 2 is of relevance here. 

[wbrian63]

Brian, what you refer to as panel 1, is for the 6.3 motor.  Only panel 2 is of relevance here.

That's what I thought - but one of the sliding rails that Nathan got is from that panel, not from panel 2...

I've asked Tom Hanson to give me a list of the 5 parts that are required for a full guide rail replacement on a 6.9. We shall see what he comes up with.

Regards

[nathan]

now now, i dont want any errors found in my parts!
ha, most bits were requested by my mechanic. ive done my timing chain and these rails only about 5000km ago but wanted them new from top to bottom. i just assumed they were the right part. the mechanic has just started assembly after having the engine washed and ill go and check it out this weekend. if Tom has sent me the wrong bits, let him know Ill be emailing!
regards
nathan

[TJ 450]

Hi All,

The flat crankcase rail (left side) is a die-cast part with a plastic lining on me car from memory. When I renewed the chain I left it be as they don't wear out. Upper flat guide is the 115 part as per Nathan's, then the small 100 part with end that kicks up.

The standard bolts for the exhaust manifold flanges are correct for a RHD Aussie 6.9. I've never seen anything else present.

Tim

[nathan]

i feel much better now TJ has spoken...

[nathan]

I went past the mechanics today to check the progress. early stages are done now the block is washed (although thats kept at a different site at present).  the old valves have come out and I'm amazed by how much crap are on the exhaust valves despite my car being what I consider extremely well cared for. anyway, only early stages but some pics

[nathan]

the heads getting checked out

[nathan]

reviewing the pistons. these are high compression euro pistons. I think the depth of the dome is 4mm

[TJ 450]

Awesome, the heads are in very good shape by the look of things. The old intake valves look a little worn although not as bad as my blue 6.9. The deposits on the exhaust valves are normal, although you'd think modern fuels would keep the new ones fairly clean.

Is that piston a euro one, or the original Aussie one?

Tim