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Author Topic: Oh Joy! The intermediate shaft seal has fallen out.  (Read 5454 times)

December 04, 2012, 01:50:33 pm

smutts

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Oh Joy! The intermediate shaft seal has fallen out.
« on: December 04, 2012, 01:50:33 pm »
Subject says it all really, hopefully 20+ years of heat soak and 220k miles explains it. Given the shaft a wiggle and seems .25mm ish! axial play, and less than .1mm radial so hopefully will be okay. The seal itself is easy enough as it is the same size as the cam and crank, but rotates the other way, so check the seal isn't a one way jobby. Harder to get in the U.K. is the green viton 56x2 o-ring, vw part no. N90353501, as none of the motor factors stock it, so off to VW £7 +vat for a 50p part. >:( so get one off Ebay before you need it from an o-ring stockist for lots less.
Trickiest bit is undoing the 60lbft bolt that holds the fragile, easily dented aluminium pulley as there is no good way to do it without ingenuity, or a very big "f" spanner like the ones my granddad used to use engaged in the sproket holes.
So far so good, just need the rain to stop, ..............how does it know?  ::)



Reply #1December 04, 2012, 02:53:06 pm

CRSMP5

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #1 on: December 04, 2012, 02:53:06 pm »
stick a deep wall 13mm socket on the bolt for the seal holder thru the im shaft pully.. that locks it to loosen/tighten the im pully bolt..

next pushed out = oil pressure too high..

2 ways this happens to commoin folk...

1.) too thick a oil for cold months.. aka 15w40 in diesel needs to be 5w30 or 10w30 in cold months if you do nuumber 2

2.) you burry your go pedal right on start up 1st thing of day.. to let the oil temps get up to 50-60*c first this seal will never blow out..

but ive done this seal on a fri before, just to repeat on monday due to #1 and #2 rules being broken and the drver just no get it..

Reply #2December 04, 2012, 03:09:59 pm

srgtlord

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #2 on: December 04, 2012, 03:09:59 pm »
Maybe thats what happened to my car... I run 15w-40 year round and put pedal to the metal right after start up...

Reply #3December 04, 2012, 03:39:10 pm

TylerDurden

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #3 on: December 04, 2012, 03:39:10 pm »
Trickiest bit is undoing the 60lbft bolt that holds the fragile, easily dented aluminium pulley as there is no good way to do it without ingenuity, or a very big "f" spanner like the ones my granddad used to use engaged in the sproket holes.
I use a rubber strap-wrench:

Reply #4December 04, 2012, 03:44:14 pm

8v-of-fury

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #4 on: December 04, 2012, 03:44:14 pm »
I take my I shaft pulleys off with a socket extension jammed in a hole to a recess in the block. Havent broken any *** yet ;)

Reply #5December 04, 2012, 08:37:37 pm

fatmobile

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #5 on: December 04, 2012, 08:37:37 pm »
Must be a MK2 NA..
Drill out the restrictors in the intake.
 Probably a groove in the I-shaft where the seal rides, the pressure does it.


 Pull the I-shaft out a little ways and check the bearings,
side-to-side play won't tell you anything,
they chip out.
Tornado red, '91 Golf 4 door,
with a re-ringed, '84 quantum, turbo diesel, MD block

Reply #6December 04, 2012, 10:25:24 pm

bajacalal

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #6 on: December 04, 2012, 10:25:24 pm »
I have a "universal pulley holder."

I bought it, but it looks really easy to make with a couple pieces of flat stock and a couple bolts.

The flat stock is like a pair of scissors, bolted together at the bottom and at the other end, bolts protrude so you can stick it into a pulley with holes or gaps however you want.

Reply #7December 06, 2012, 07:00:19 am

smutts

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #7 on: December 06, 2012, 07:00:19 am »
The oil ....... was Asda's finest 5W40 "synthetic", apologies for all those people behind me who discovered what a gallon of this stuff does on a mile of wet road, :o, I didn't see too much wreckage when I got towed home by the AA later on, so fingers crossed. Anyway, not too thick, the seal fell out after 25 miles, and I am very gentle with engines until they warm up, this saves a lot of cracked heads. Well, I will stick it all back together and hope for the best. Glad I bought two seals as I buggered up the first one. And thanks for your thoughts. Big bang about 2 o'clock G.M.T. ;D

Reply #8December 11, 2012, 04:46:17 pm

smutts

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #8 on: December 11, 2012, 04:46:17 pm »
 :)All is now a pukka job! Thanks for your thoughts.

Reply #9December 11, 2012, 07:11:26 pm

rs899

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #9 on: December 11, 2012, 07:11:26 pm »
Quote
All is now a pukka job!

Please translate.  I have worked with Brits quite a lot over the years but have never heard this one.  Does this mean you had a positive outcome? :)
'91 Jetta 1.6 NA, '82 Caddy 1.6NA, '81 Cabriolet,  4 Mercedes OM616/617s , 2 Triumphs and a Citroen DS19 in a pear tree.

Reply #10December 11, 2012, 10:48:39 pm

ORCoaster

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #10 on: December 11, 2012, 10:48:39 pm »
Could it be this?

pukka, pucka [ˈpʌkə]
adj (esp in India)
1. properly or perfectly done, constructed, etc. a pukka road
2. genuine pukka sahib
[from Hindi pakkā firm, from Sanskrit pakva]

Reply #11December 19, 2012, 09:57:32 pm

8v-of-fury

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #11 on: December 19, 2012, 09:57:32 pm »
Gotta be.

;)

Reply #12October 14, 2013, 07:00:33 am

rs899

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #12 on: October 14, 2013, 07:00:33 am »
Quote
:)All is now a pukka job!

Still not exactly sure what this means...

I had to fix this seal myself this weekend.

I had noticed a bit of an oil leak lately.

I was changing the timing belt and water pump anyway, as it happened, so this was not a big deal at all. 

I am a bit more concerned with why it happened...

Quote
Must be a MK2 NA..
Drill out the restrictors in the intake.

What's this about?

'91 Jetta 1.6 NA, '82 Caddy 1.6NA, '81 Cabriolet,  4 Mercedes OM616/617s , 2 Triumphs and a Citroen DS19 in a pear tree.

Reply #13October 14, 2013, 10:14:13 am

libbydiesel

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #13 on: October 14, 2013, 10:14:13 am »
Torque spec is 33 ft-lbs or 45 NM.  Where did 60 ft-lbs come from?

Reply #14October 14, 2013, 12:00:57 pm

bbob203

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Re: Oh Joy! The intermediate shaft seal has fallen out.
« Reply #14 on: October 14, 2013, 12:00:57 pm »
Torque spec is 33 ft-lbs or 45 NM.  Where did 60 ft-lbs come from?

60ft lbs way to tight...
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