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  #1  
Old September 11th, 2014, 01:39 PM
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Keith Armstrong
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Noisy bits...

Okay, this is getting oldÖ

Iíve got the new Turner 4.6 in the 1997 NAS D90.

The only thing from the old engine is the timing cover.

Itís still noisy.

Yes, I looked inside...the gears were gouged on the front parallel side away from the retaining plate - not the pumping faces - the housing has some marks in it, so I put new gears in the old housing...yes, clearance was within spec.

The timing cover that Turnerís sent was for a later 4.0 / 4.6 that has the oil pick-up tube attached to the back side of the front cover.

Frida says they can't supply the front cover that I need.

The NAS í97 still has the pick up on the block main bearing web, BUT obviously doesn't have a distributor and DOES have a crank driven oil pump.

Who has a good used or new (hah) front / timing cover lying about?
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  #2  
Old September 11th, 2014, 02:02 PM
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Should be the same as for a GEMS disco, 1996-1999. ERR6126 or ERR6815
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  #3  
Old September 11th, 2014, 02:44 PM
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Yessir....which seem to be NLA from the usual suspects, er, suppliers

for example... http://www.bputah.com/Parts/land_ran...ront_cover.htm

all listings followed by NLA
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  #4  
Old September 11th, 2014, 02:54 PM
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Robert Dassler
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What kind of noise?
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Old September 11th, 2014, 03:02 PM
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The kind that was there before I replaced the engine ... all except the front cover

Almost a lifter / rocker noise but not coming from up on the valve train.
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  #6  
Old September 11th, 2014, 03:06 PM
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You sure it is the engine then? Clutch? Gearbox?
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Old September 11th, 2014, 03:25 PM
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The 4.6 crank will hit the inside of the oil pan at the front. Look for a shiny spot inside the pan. I heat the pan with a torch and use a hammer and a block of wood to stretch the metal and give it clearance. I also have a used GEMS D90/D1 timing cover if you really need one.
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  #8  
Old September 11th, 2014, 05:10 PM
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Why not just use an aluminum oil pan from a BOSCH engine?
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Old September 11th, 2014, 05:24 PM
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Quote:
Originally Posted by crown14 View Post
Why not just use an aluminum oil pan from a BOSCH engine?
Because it has 17 bolts due to the extra bolt in the Bosch timing cover that was redesigned to make room for the oil pickup. The 1997 D90 needs a 16 bolt pan.
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  #10  
Old September 11th, 2014, 07:08 PM
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Quote:
Originally Posted by Roadsiderob View Post
Because it has 17 bolts due to the extra bolt in the Bosch timing cover that was redesigned to make room for the oil pickup. The 1997 D90 needs a 16 bolt pan.
He said he has that style front cover? Or am I reading it wrong?
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  #11  
Old September 11th, 2014, 07:35 PM
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I think you're reading it wrong.
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  #12  
Old September 11th, 2014, 07:52 PM
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Quote:
Originally Posted by UnfrozenCaveman View Post

The timing cover that Turnerís sent was for a later 4.0 / 4.6 that has the oil pick-up tube attached to the back side of the front ...
Reading it again...

???

I think he just needs a bosch pickup, oring, and oil pan?

And one more bolt I guess
(actually I think it's a stud and nut)

Oil cooler line ends are a little different but in the short term he could run with bosch block off plugs? I would assume he would keep the Gems cam sensor.

I've not done this personally but have heard it has been done... so I could be wong
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  #13  
Old September 11th, 2014, 08:24 PM
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Keith Armstrong
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Rob is correct.

1997 NAS D90...came with a 4.0 & automatic.

I'll have a look inside the pan...it'll have to come off anyway to get that frontncover off and have another look in there.

Screwtechnology...I'm bringing the 80" to Utah

------ Follow up post added September 11th, 2014 07:28 PM ------

Quote:
Originally Posted by crown14 View Post
Why not just use an aluminum oil pan from a BOSCH engine?
I really think the issue is with the oil pump.

I'll have another look at it...since ERR6814 seems to be NLA I'd be thrilled to find a better solution than swapping to the cast pan and associated bits.
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  #14  
Old September 11th, 2014, 08:33 PM
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I have a good front cover if you need one...but I think your crank counterweight is hitting your oil pan. I remember the first 4.6 swap I did....I was super pissed that the brand new 4.6 had a knock.
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  #15  
Old September 11th, 2014, 08:56 PM
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Thanks Rob. I'll have a look tomorrow or Saturday.
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