Helpful ReplyHot!what did you do to your 944 today

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scam75
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Re: what did you do to your 944 today 2018/04/19 13:00:03 (permalink)
So the end of a very long saga. Ever since I got the car, 10 years ago, there has been something amiss with the alternator drive belt action. Had noticed when going through a large puddle the belt would squeal and pretty much the alternator would not be turning as the voltmeter dropped down to 12v. Then shortly after if would screech a bit as it re-gripped and began charging again. I would also get this phenomenon on start up if it had been raining heavily. Start up car, alternator not charging, few seconds later a little squealing accompanies the charging coming to life, voltmeter climbs to 14 and all is good. Loose or goosed belt you would assume. Wrong. A little while later I start getting what sounds like a bearing whine. Suspect alternator. Change alternator and belt, goes away for a bit. Comes back. Suspect alternator again, what else can it blooming be? Repeat process, repeat outcome. Car's had about 5 alternators now! Move on to next suspect, replace AC compressor, needed one with an intact nose seal anyway so changed it, changed belt, all good for a bit. Symptoms return. Much head scratching. Take it apart again and notice alternator drive belt has slithers of metal inside the grooves. I know I've changed alternators and AC compressors so only remaining suspect is the crank pulley itself. Boom. Only took about 8 years to figure this out! Enquire about cost of new crank pulley from OPC, £102 inc discount. Ouch, so whilst I swither about this I throw on a new belt, with no metal inside, and over tighten the belt to help the disintegrating crank pulley grip better, kinda forgot about it as was mostly performing ok with belt tight. Then we get an unexpected gas evacuation from AC system. Not put 2 and 2 together at this point, AC system was reconditioned and many parts replaced, but not all parts. Its 29 years old so highly likely something I've not replaced has sprung a leak. Forget it and move on. Then I start to hear a bit of what sounds like bearing rumbling on start up and idle. Defo coming from alternator belt area, clears when revved and heated up. Now put 2 and 2 together and assume tight belt has damaged AC compressor bearing, in turn damaged nose seal, and explains gas loss. Time to order that crank pulley! Decide to acquire a re-con alternator at same time, as had likely damaged that bearing also and had no desire to complete the job and realise I needed to do it again! All bases now covered.

Fitted the crank pulley, tighten to a million torques, fit re-con alternator and AC compressor and finish job with 2 new belts. Tighten to recommended level, good idea that (!), all noises gone! Phew. Also did an oil change and changed the o-ring on the low end of the trans oil cooler loop which had a small sweat. Topped up gearbox oil then popped off to my mates house to get the AC system pressure tested (ok), vacced and re-filled with gas. All good now but would have been considerably less expensive had I changed the crank pulley sooner! Anyway I have icy cold air again in time for this heat wave people are talking about...............

Stuart

'90 944 Turbo - Sunroof delete, Factory bridge spoiler, CS wheels, CS steering wheel, 1st MY90 turbo in UK
Promax L2 chips, SciVision MAF, Lindsey DPW, MBC, Forge recirc valve, 3 bar FPR, K&N panel, GAZ Gold, wideband AFR, Sytec Motorsport Fuel Pump.
Steviebear
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Re: RE: what did you do to your 944 today 2018/04/19 21:29:23 (permalink)
Thanks for the tip.
Steviebear
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Re: RE: what did you do to your 944 today 2018/04/19 21:30:44 (permalink)
Thanks for the advice but I have already sent my wheels away. Ta
colin944
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Re: what did you do to your 944 today 2018/04/20 09:14:47 (permalink)
Good news Stuart.  

89 944 S2 new floor. sills. and loads of other sheet metal,968cs arbs, rebuilt engine,rebuilt brakes.all new poly bushes and mounts,968 castor mounts,968 cs steering wheel,cup 1 17 inch 7.5 and 9 inch wheels,and loads of other bits new as well.
PSH
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Re: what did you do to your 944 today 2018/04/22 16:05:58 (permalink)
Today I was going to re-glue the rear seat back in place, that is until i saw the big puddle of water in the seat well had returned. Well to be fair I haven't fitted a new sunroof seal yet but thought as the good weather is returning and I hadn't seen any signs of the water returning since fitting the new inner sunroof seal a few weeks ago and it has been raining since, it was probably ok to put things back together. However last night we had a lot of rain which clearly overwhelmed the old outer seal. The drains are clear so you would expect the water to drain but I guess with a worn seal capillary physics is ruling the day. Of more concern was water back in the support brace that runs across the car in front of the rear seats. Before hand I thought that the water had got into the cross member by overfilling the seat bucket and running into the two large holes at the front lip of the seat. This time I wasn't convinced as the water in the seat was only about an inch deep, it would need to be approx 4 inches deep to reach the holes and get into the cross member. Although the roof drains seemed clear I thought I'd do a test by pouring water down the drain holes, well actually SWMBO poured the water while I observed it's exit. Surprisingly the drain above where the water has been getting in (passenger side) worked perfectly with the water exiting out past the rear wheel slightly inboard. I pulled away the boot side carpet and could see that no water had escaped from this particular hose, I had thought that it was from the hose somewhere that water had been running down the inside of the car finding it's way to the cross member...clearly this was not the case. I then repeated the exercise for the other rear drain hole on the drivers side. This time the water wasn't all going through the rear drain hole, I removed the side carpet to discover that the hose was broken, well not actually broken, it had had a 'makeshift' connection made with an old piece of black hose into some metal pipe which had corroded and thus wasn't fully connected, worse still is that the 'Y' connector which should connect to a hose in the fuel filler recess had no hose attached resulting in lot's of water running down the inside in front of the rear wheel and I'm surmising then finding it's way into the cross member. On discovering this something became very obvious, I now knew why my drivers inner sill below this point had corroded during the cars lay up. Water had been draining from both the roof and fuel recess drains into the car running down to where the rust had attacked the metal. This was fixed 3 years ago for it's first MOT, well just after actually but the MOT station knows my son and knew the car was going directly to his garage 1/2 mile away and so he passed the car even though it had a hole in it's inner seal, as I said this was all dealt with immediately. So today I have fitted a temporary hose section , the effected area had been covered in POR15 which stops all rust but in the near future we will get the car up on the ramp again and give this area a good checking over. I'm sure that it will be fine but better safe than sorry....
The moral to the story...check your drain hoses chaps...:)
 
Pete

944 Turbo......was 368BHP/382Torque.... now more...
PhilKent
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Re: what did you do to your 944 today 2018/04/22 19:28:06 (permalink)
Finished doing the belts and rollers, started her up, got her up to temp then drained the oil for an oil&filter change. Going to replace the oil cooler feed pipe as well as it's developed a slight weep. Will seek out OPC price or have one made by pirtek... Also drained the gearbox/diff oil and need to fix a weep here too. Took off the oil cooler and noted some vibration chaffing on the lower connector by the oil pump. Will need to either shim it or replace/repair the connector and housing...the job's keep coming...anyone got any experience of this?
Also ordered some bilstein B6's :-)
Frenchy
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Re: what did you do to your 944 today 2018/04/22 20:15:29 (permalink)
Took her for a run and she was perfect, I did notice the temp was up when she was ticking over outside the garage standing, soon went down to normal once on the road, sat ticking over while I opened the garage I have down at my mothers, temp way up  and when i pulled her in the garage she dumped a load of coolant, looks like the fans never kicked in (thermo switch) back down tomorrow to top the coolant up and hopefully no damage.
Bodyshop on Wednesday for some loving, then nice new crossdrilled discs along with refurbished shiny calipers pads sensors etc.
Hope I am not taking the head off, it is fitted with a Cometic head gasket which are pretty bombproof.

Porsche 944 Turbo S (M758) Black 88.
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944Turbo
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Re: what did you do to your 944 today 2018/05/16 00:32:50 (permalink)
Took the cab for a drive through the new forest in the sunshine.
Tony

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vitesse
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Re: what did you do to your 944 today 2018/05/16 10:00:50 (permalink)
Replaced the offside front balljoint on the red car at the  weekend with help of my son Nicholas-fortunately it was already a replacement so didn't need to drill out rivets-clamp bolt was a bit of a b****r to remove-once out it appears to have not been put in correctly but without a new one at hand,I ran a die down the threads to remove burrs .
Frenchy:- I've stopped filling my header tank to the Max mark-now leave it halfway & any water loss has stopped.Well after fast runs down & back from Donnington the weekend before,no loss at all despite the heat.When I say fast -I only mean about 80mph or so down the M6 & A50.

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1987 924S Guards Red
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edh
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Re: what did you do to your 944 today 2018/05/16 13:08:54 (permalink)
Did you go to the Historic? I went on the Sunday - some cracking racing with the Cortinas & minis, and the E-types

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ex : '00 986S, '90 944 Turbo, '88 924S, '86 924S
vitesse
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Re: what did you do to your 944 today 2018/05/16 13:22:49 (permalink)
Yes Ed-but we went on the Saturday -got there quite early as we allowed for Bank Holiday traffic & there wasn't any really.we too really enjoyed the Lotus Cortina,Mini,E-Type races what with the odd brave Alfa mixing it.
 
Never had an Alfa ,but reminded Nick that he used to be ferried at high speed in the Cortina Aeroflow I had & the well tuned 850 Mini at weekends-but that was in 1967/8 & 1969/74.You could still hammer up the M6 from Stourbridge to Manchester then in the Mini at 95 Mph-used to do 50mpg too.
The DHF was a great day with super setup from R8.

1986 924S Stone Grey.
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blade7
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Re: what did you do to your 944 today 2018/05/16 14:32:05 (permalink)
850 Mini, 95mph, are you sure.....
vitesse
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Re: what did you do to your 944 today 2018/05/16 15:12:54 (permalink)
Well my post did say-well tuned-.
It had an Aquaplane aluminium head having huge combustion chambers a la Cooper S with KE 975 Sodium filled exhaust valves,Cooper S distributor,1.5" SU with red spring,appropriate needle on water cooled polished manifold,Janspeed 3 into 1 exhaust manifold,straight through central exhaust with Peco silencer,camshaft bearings line bored & reamed,hot cam,plastic fan,hot thermostat,Girling brake servo,Girling rally shock absorbers & brake linings,lowered suspension(shortened trumpets) & an Austin 1300 remote gearshift gearbox,needle bearing couplings replaced the rubber ones.
 
Sadly I didn't take pics of it in those days-pity really as I de-seamed it,lowered the steering column,fitted seat adjusters,quick release grille buttons  & a rubber waterproof cover to the dizzie as well as respraying it an orange red shade instead of its original RAF blue

1986 924S Stone Grey.
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blade7
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Re: what did you do to your 944 today 2018/05/16 15:42:25 (permalink)
I'll give you the benefit of the doubt if you were going by the wobbly speedo needle , a quick google suggests a Cooper 1275 S did around 95mph.
vitesse
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Re: what did you do to your 944 today 2018/05/16 21:12:57 (permalink)
Paul ,I recall the speedo needle was right round the dial which is all there was in those days plus timing between mile markers on the motorway so the answer is yes comments based on the speedo.
I've forgotten most the stuff i knew about Minis but I'm sure the 850 liked to rev-it was of course nearly 50 yrs ago

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blade7
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Re: what did you do to your 944 today 2018/05/17 01:03:29 (permalink)
I remember laying on the tank of my Kawasaki Z1R 1000, and the speedo edging up to 150mph  nearly 40 years ago. I'm claiming that too then .
vitesse
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Re: what did you do to your 944 today 2018/05/17 09:47:34 (permalink)
My dad's bigger than your dad & he's a policeman--springs to mind

1986 924S Stone Grey.
1987 924S Guards Red
2004 BMW 530D SE Touring Chiaretto Red
1966 MGB GT B Racing Green.
blade7
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Re: what did you do to your 944 today 2018/05/17 10:36:42 (permalink)
My Mum is in the SAS ,the SBS and the Sweeney .
944Turbo
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Re: what did you do to your 944 today 2018/05/17 11:47:09 (permalink)
I had a 1275GT that I broke (several times actually!) but on one occasion as a quick fix I fitted a spare 850 but with twin carbs LCB etc from the 1275, that setup really liked to rev for an otherwise standard engine, was a bit rubbish at low revs though! Later I had a balanced 1380 with 276 cam, 1.75" SU electronic ignition etc. around 90Bhp at the wheels. I remember maxxing it behind an Overfinch range rover at an indicated 120+mph. I had also discovered mobil 1 by then (along with thermostatically controlled oil cooler) so my engines were lasting significantly longer by then, think I got around 35k miles out of that one  before it destroyed the drop gears. 
 
Tony 

944T Coupe - personalised ;) but needing work
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vitesse
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Re: what did you do to your 944 today 2018/05/17 16:33:27 (permalink)
Sorry,Paul but I don't want to meet your Mum-you win though-(bl**dy) motorcyclists
 
Re' drop or transfer gears-at the time I was still working for Renold Chains based in the Black Country & as I may have mentioned on here had a Hillman Avenger-it had 2 resprays under warranty & during one absence I used 1 of the Renold Research Austin 1300;s-this was fitted with a Renold Duplex chain drive with special double acting hydraulic chain tensioner working on both sides of the drive chain-instead of the transfer gears.
 
This eliminated the backlash problem with the gears ,was highly efficient & as a result the car was startlingly faster than the normal cars-great fun to drive.
Sadly I never thought to ask if I could have my Wife's car converted -she drove the Mini everyday and & loved it.
PS;-If I remember correctly,I think the 1300 box had longer ratios in total which probably allowed the higher than expected speed when that engine could develop the torque to get there.
 
My father knew Tommy Cooper quite well.
post edited by vitesse - 2018/05/17 16:37:46

1986 924S Stone Grey.
1987 924S Guards Red
2004 BMW 530D SE Touring Chiaretto Red
1966 MGB GT B Racing Green.
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