new car, small problems

Guest · Feb 20, 2005

HI all, i have just purchased myself a 1980 924 lux version and i am very happy with it, the only problem is that i have a couple of things that dont work.

Firstly and most importantly, the heater doesnt work, i was bloody frozen driving it home. any suggestions?
oh and my temperature gage needle is only on the quarter, is this normal or should it be half way?

the passengers electric window switch doesnt work?

a couple of bulbs have gone on the volt meter and oil pressure, iv read another post about something similar so i shall give that a go, just worried about the cigarette lighter cables.

What sounds like a ticking noise comming from engine, someone told me that a spark plug might have gone or a cable is arking? is this correct?

i'm in need of a rear window wiper motor and a new switch. anyone got 1?

and finally, when the sunroof leaked, it damaged all of the upper/rear roof lining stuff and also down the sides, i hope you know what i mean? does anyone know where i can get all that from?

Well that about it. any help is much appreciated

Thanx , Chris.

924nutter · Feb 20, 2005

One topic at a time. Heating.
The temperature reading sounds about right. None of my 924s ever went up as far as half way during nomal running.

Check that the cable to the heater valve is actually moving the lever on the valve. The valve is behind the engine.

vincematthews · Feb 20, 2005

Chris

Have a look at the heater control valve at the rear of the engine below the distributor. There's an operating wire rod coming from the heater control inside to operate a lever on this valve. Check if operation inside = operation at valve. Mine runs on the cold side of half way.

For testing the door switch - turn on the lights in the dark and operate the door switch. If the lights dim then the switch is good but the motor probably isn't. New motors are expensive but I rescued both mine by taking them out and freeing them up. If lights don't dim the its probably a switch/wiring fault. The switch comes out of the door card fairly easily but it tends to fall apart too. Make sure you catch all the small parts and know how they fit back together.

The centre consol meter panel comes out fairly easily to replace bulbs; undo the obvious screws and unhook. If you're worried about the live cables disconnect the battery - good idea anyway.

For the other stuff look at the adverts in the Porsche mags or join the PCGB for their mag and news. Might be as well to get a Haynes as a starting point? they're not perfect but are ok for many of the things you will need to do that the last owner didn't!!

Guest · Feb 20, 2005

Excellent, thanks all
i shall give them all a try.
and i have orderd a haynes from halfords (typical dont have it in stock).

as for the heating, I'v checked the valve and the lever does move. i shall check it when i get the car back together.

Guest · Feb 23, 2005

Hi again, just to let you know that i'v got my car back together again and my heater still doesnt work. the valve moves but am i missing something out? i prosume that there will be a matrix installed, and what about a fan? is there 2? one for cold air and another for hot air? if so, where are they?
iv just noticed that the water temp went over half way, i thaught that the fan wasnt working but it is, i shall check water level tomorrow.

Cheers guys

Guest · Feb 24, 2005

Oh my god people,
I'v only got the heater working. this is well strange, i thaught i would send an email to the guy that sold me the car and to see if he know why it didnt work.
He came back saying that it does work it is just backwards, cold is hot and hot is cold, how queer.
i dont know how or why it is backwards but it is, any thaughts? is it something to do with that silly valve, upside down or something?

Just thaught i would share it all with you. [

]

Guest · Feb 24, 2005

HI again.
I dont want to boast, but i have had an excellent evening in getting things working on my car.
1, getting the heater working as you know.
2, replacing the 2 front lights for nice new shiny bright ones, i can see where im going now.
and 3, getting the screen wash pump working, completely seized up.
Yay.
i hope everyone else out there is having as much fun as i am.

vincematthews · Feb 25, 2005

The heater valve should have the lever at the top and to the front of the car.
I think right is on and left is off as you look at it from in front of the car

Guest · Feb 25, 2005

Thanks for the valve advice, it looks about right. i might take it off to clean it.
Ok i have another problem, while i'm still waiting for my haynes to come, i have just got myself a new rear window wiper but i havnt a clue which cables go where.
i have a brown, green and a black/green.

Cheers for your help.

944turboS · Feb 25, 2005

Chris,
I have the rear roof liner piece I think you are looking for where are you? I'm in Telford but work in Worcester.

usermjg · Feb 25, 2005

ORIGINAL: a489cb1x

Thanks for the valve advice, it looks about right. i might take it off to clean it.
Ok i have another problem, while i'm still waiting for my haynes to come, i have just got myself a new rear window wiper but i havnt a clue which cables go where.
i have a brown, green and a black/green.

Cheers for your help.

So now that you have got to play with your new toy will we see you and your little pride and joy on the 1st May at HQ to show it off -"Frontrunner 2005".

Marc[

]

Guest · Feb 25, 2005

Hmm, i dont know. where abouts is it?

924nutter · Feb 26, 2005

Read my post here < http://www.porscheclubgbforum.com/tm.asp?m=97908 > for someone else asking the same question re rear wiper connections.

Windows. Turn on the igntion and look at the voltmeter whilst you operate the switch. It should deflect by about 1.5 voilts if the motor is drawing current, and you wont need to turn your lights on.

Im am going to compare my'80 turbo with the original heater layout to my '82 turbo with the revised layout to verify my theory about the different operating direction, but as I already know that the operating valves in these cars are not identical, the following might offer and explanation.

As I have said:
There is a difference in the valves and the control runs between early and late type of heater controls. (BTW the later type with the cranked arm is no longer available from Porsche) The early one pulls the cable to increase the temperature, and I think the later one pushes it. If this is the case, then I suspect that this valve was replaced at some time with the only one available. Out of interest, does your heater valve have a flat operating arm? If it does then it is the early valve, which could account for it operating backwards. Luckily, the valve doesn't know that.

924nutter · Feb 26, 2005

ORIGINAL: a489cb1x

Hmm, i dont know. where abouts is it?

We all meet at the club h.q. in Moreton-in-Marsh.
go to< http://www.streetmap.co.uk/newmap.srf?x=420291&y=232562&z=3&sv=Moreton-in-marsh&st=3&tl=Moreton-in-Marsh,+Gloucestershire+[Town]&searchp=newsearch.srf&mapp=newmap.srf>

Guest · Feb 26, 2005

My heater valve lever isnt straight no, it's like a dog leg and the lever is towards the front of the car.
As for the window wiper connections, yeah i have looked at that. but that is only for the switch itself, i need the connections on the actual motor itself.

Guest · Feb 26, 2005

OK, iv got another thing to cross off the list, iv got my passengers window switch working, dodgy drivers switch, i cleaned up the terminals inside the switch and it now works, yay. after half an hours hunting for the little metal contats which fell out of the switch on to the gravel.

Im still unsure about this rear wiper motor.

924nutter · Feb 27, 2005

I have now checked, and the cables enter from opposite sides, i.e. late type from the right, as viewed from the front and early type from the left. Do you have the early three slider layout matched to a late valve?

ORIGINAL: a489cb1x

My heater valve lever isnt straight no, it's like a dog leg and the lever is towards the front of the car.
As for the window wiper connections, yeah i have looked at that. but that is only for the switch itself, i need the connections on the actual motor itself.

Guest · Feb 27, 2005

Oh i c. the cable for the valve comes from the left, and i have 3 levers inside the car, one for fan speed, one for hot/cold and the other for footwell/window selector. do you recon my valve is wrong then? if so what should it be?

vincematthews · Feb 28, 2005

ORIGINAL: a489cb1x

My heater valve lever isnt straight no, it's like a dog leg and the lever is towards the front of the car.
As for the window wiper connections, yeah i have looked at that. but that is only for the switch itself, i need the connections on the actual motor itself.

Wiper motor connections are 31b = brown, 53 = green/black, 53a = green

Guest · Feb 28, 2005

Excellent, thanks for that vince. iv got it working, appart from it doesnt work properly as i cant seem to get it to park. if i only connect the green park wire, then it does park, and if i oly connect the main switch wire, it works like that but not both together.
i have noticed though that at the switch, if i only connect the main feed and switch wire, not the park wire, there seems to be voltage comming back from the motor down the park cable. is there something wrond with the motor?
is it domething to do with the resistor and the yellow thing on the motor itself? can i test them?