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Now the newbie 944T questions!

EddySpaghetti

New member
Hi again,

If you looked, I hope you liked the photos of my new 944T SE.

I think its beautiful, and so smooth & cool to drive (I htink the speedo must underread though !)

It does need some work. What I think some people on here call the Birthday service. It has only done about 14k miles in the last 7 years which was the date/mileage of the last belt change I can see (at 89k) in the history - so my prioritiy is to get the belts done, and address a slight leak from the transaxle (where the cooler pipes meet the casing). Those are a bit daunting though, so this weekend I'm going to do a wheel bearing to get my eye in...

Any advice on donig the bearing would be welcome, but the big job that is the belts I want to start next weekend, and am a bit nervous, albeit determined!

I want to try and get it done in a day if I can, so would like to prepare by buying all the right bits/tools in advance.

So far I have:

2* Smooth rollers (one small all metal, one larger with the smooth roller surface bit being plastic)
1* Balance Shaft 'gear' - its a toothed metal sprocket.
1* Toothed roller (plastic sprocket mated to a metal bearing)
1* smooth tensioner roller - this one is all metal, and the inner part is drilled with an oval channel, and the 'stub' shaf tis hexagonal in cross section on one side.
Toothed balance shaft belt (toothed both sides)
No timing belt 'cos what was instock at eurocarparts when I phoned wasn't there when I got there (internet purchaser - grrrr).

...Pic in attachment

I've got a few concerns I was hoping for help with:

1. I was expecting the tensioners to be spring loaded, or have some obvious method of tension adjustment. The only thing here that looks adjustable is the oval channel in one of the rollers, and I can imagine it being tough to make that work.

2. Do I need any special tools (cheeseheads??) and will I need a big socket to undo the crank nut? If anyone knows the size in advance that would be a great help. I have pretty standard socket set / torque wrench / wobble bars etc.

2. I haven't bought any seals - is it worth getting some in case, and returning them if all is OK when I take the car apart? Anyone got any ideas on getting a kit of these and whether special tools needed to extract the old ones?

3. I have bought a waterpump and gasket, incase the old one is worn/stiff. It has one mating face adjacent to the main pipe attachment that is clearly blanked off, although there is a stud already installed on one(!) of the sides of the blanked off part. Does this mean I am going to have to drill it to install it on a turbo? - I assume the Turbo is most complicated, therefore has most hoses! The pump is also labelled as 82 - 88 - Is it definitely the right bit?
- any advice on health checking the old one would be great too. I'd like to be able to return the pump and get my £200 back if the old one is OK!

Heres a pic of the pump: Err, howdafunk do I upload more than one photo?

Lots of questions I know - apologies for overload. - Very excited about the new toy.

Eddy
 
Your taking the right attitude to your new 944 turbo.

Making sure you have good new belts, rollers, tensioners, oil seals etc is a very good starting point.

I would recommend you have the following parts at hand..

Waterpump
thermostat (genuine waterpumps come with this)
thermostat shim and seal (genuine waterpumps come with this)
waterpump bolts (genuine waterpumps come with these)
waterpump gasket (again, genuine waterpumps come with this)
waterpump plastic elbow, bolts and o-ring
cam belt tensioner (two types - pre 87 and post 87)
cam belt smooth roller (bolts to waterpump)
balance belt tensioner
balance belt smooth roller
crank/oil pump drive sleeve
balance belt drive sleeve (x2)
balance belt film washer (x2)
lower balance shaft oil seal
upper balance shaft oil seal
crankshaft oil seal
crank drive sleeve o-ring
balance shaft front housing o-rings (x2)
camshaft front housing o-ring
camshaft drive sleeve
camshaft drive sleeve film washer
camshaft oil seal
camshaft front housing bung
new jubilee clips

For doing the work, I would recommend buying a flywheel lock, balance shaft pulley pin wrench and a tensioning device.

For the tensioning device... join PCGB and borrow the club one, or buy an aftermarket one.

Crank pulley off the top of my head is a 24mm... use a normal 6 cut 24mm one with a half inch breaker bar and the offset/spacing will be perfect for access from experience.

Dont skimp on the parts list, that list is from experience of doing this job (full on front engine/belt drive overhaul) at least once a month for the last 21 years or so and the same number again of just belt jobs.
 
For the tensioning device... join PCGB and borrow the club one, or buy an aftermarket one.

Good point well made. The Club has 2 tensioning tools free to borrow, postage the only cost if you are too far away to pick them up. Remember that you need to re-check the tension after 1K miles, so borrow it twice! [:)]
 
Wow - Thanks Jon!

That's exactly what I was after. Thankyou for sharing.

Having done a bit more research it looks like I may need a thin offset spanner - site in the USA talks about using one to do the tensioning while using a normal socket on the locknuts. Is this necessary in your experience and where could I get one - have tried a lot of googling but not getting anywhere fast.

On a Turbo, can this job be done without having to take out the Rad and Fans? Am waiting for the Haynes manual to arrive from Amazon..!

Also, when/why do you need the flywheel lock, is it not possible to slacken off all the tensioners enough to do the job by slipping the belts off? - If it is possible it would save me having to get the car up on ramps/stands to get at the starter, which would be a major bonus since I don't have ramps, stands and a trolley jack at home.

Thanks again,

Eddy
 
Hi Paul,

I joined the club today. I would like to borrow the tool as you suggest - should i contact the club on the publishde contact detail or should I ask you as the 944 secretary?

Thanks,

Ed
 
Hi ED
Where about are you as i have most off the tools ie spanners and fly wheel lock you could use if your near!
 

ORIGINAL: EddySpaghetti

On a Turbo, can this job be done without having to take out the Rad and Fans? Am waiting for the Haynes manual to arrive from Amazon..!

Don't get your hopes up too much regarding the Haynes manual, it was one of the worst ones they ever did. It is squarely aimed at the US version and pre dates the Turbos. Most people find it is very good for propping up wonkey tables.

Bookmark the Garage Shop Manual section at www.clarks-garage.com it is far better than Haynes

Clarks is your friend [:)]
 
ORIGINAL: EddySpaghetti

Hi Paul,

I joined the club today. I would like to borrow the tool as you suggest - should i contact the club on the publishde contact detail or should I ask you as the 944 secretary?

Thanks,

Ed

Hi Ed,

Just call the office, I think Steve Kevlin deals with the stock of tools but anyone should be able to help. All you need to do is either collect it of pay postage.

Welcome to the Club, where are you based? There's a load of events over the next few months with the chance to meet the rest of the 944 crowd. [:)]
 
Hi,

I'm based in SE London - Deptford / Greenwich

Would really appreciate a loan of the tools and some face to face advice if you are nearby Pal944 - I have bid on a set from the US on ebay, but not sure I'll win.

Was thinking I might try and get to the Porsche autojumble in Berkshire on Saturday morning - anyone going to that?

Cheers,

Eddy
 
Hi ED
I am near tunbridge wells kent. I did the belts and waterpump on my s2 last year its not to bad of a job just a little tricky! Paul
 

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