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Old 11th February 2019, 01:01 AM
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27litres 27litres is offline
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Join Date: Jan 2014
Location: Belgrave, Australia
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Default I finally got around to the Timing Belt - Deferred maintenance part 1.

Finally got around to doing the timing belt.
Maintenance records (remarkably complete) show this was last done in October 2012 at 175,***km.
And interestingly, that was the 2nd belt, the first belt was changed in August 2005 at 65,000km (bit early wouldn't you say?)!

Current mileage is 225ish km. As I only do around 10,000km annually, a time interval of 6.5 years seems appropriate.



To get to this point took me most of the day at my mates place (he has a hoist, which makes easy work of most car maintenance). I work slow and steady with plentiful tea breaks!
The radiator is still attached to the support and the whole assembly is resting on milk crates and blocks of wood in such a manner as to not put the transmission hoses or aircon hoses under any stress. I might take the whole thing off next time, you only lose about 300ml of trans fluid out of the cooler removing the radiator, and you can swing the aircon radiator out of the way by itself, which is much lighter!



At this point the engine is timed on the timing mark, with the cams aligned the correct way around (big holes facing inwards), and the crankshaft locking pin has been inserted.


Oops... casualty of clutch fan removal! Serves me right for buying a cheap Chinese thin spanner. Turns out theres sufficient room for a full size spanner in there anyway - 1 1/4" did the job - glad my mate plays with Mack trucks!


Timing belt and water pump removed. I think I had replaced the thermostat at this point too, as the cover is suspiciously clean!
I'm a big one for parts cleaning, which is time consuming - just as well I don't do this for a living!


Oh dear... When removing the water pump, one of the bolts felt a bit odd. The head sheared off. By the feel of it, I suspect it had already yeilded when last replaced in 2012.



Several attempts to remove it using vice grips, oxy-acetylene heating, and freeze spray culminated in this expensive little stud removal chuck. That cracked the thread and got the bolt moving 1/4 turn, but wouldn't pull it out.


Finally my mate said he was going to weld a nut on!
Alloy gasket surface cast into the block... I was a bit nervous about this!


Yay!!!


New water pump and timing belt installed. All new hardware used on water pump with nickel anti-seize. Not going through that again!
** Dont worry MJ, we readjusted the timing from this configuration to properly preload the tensioner once we figured out how it worked. We even moved the timing belt a tooth somewhere to give the tensioner the extra adjustment it needed. Don't worry about the white marks either, they were just a visual reference, the locking bar was refitted for primary timing. I rechecked it and rotated the engine about a dozen times before buttoning it all up, refitting the locking bar each time! **


Timing covers back on


Nearly there


Done!
The Eagle eyed amongst you may notice something missing here (and I'm not talking engine covers!). More on that in another thread later!
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__________________
Cheers

Marty


____________________
Current:
2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest!
2002 Audi S8 - Project
Replacement head coming arrived thanks to MJ
Silver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that).
Family:
2009 Volvo XC90 V8 R Design
- has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car!

Sold:
1997 Audi A4
- Hamilton's Club Sport, Achat Grey (will miss the old girl)

Last edited by 27litres; 11th February 2019 at 01:43 PM.
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