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what is this??
its just behind the maf. what is it please???
passenger seat eject button bubble maker blow pipe straw to drink the old oil out with (yuck) 
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Porsche 928 S4 1989,Auto, 93K on clock, gun metal grey with cream interior. Coulsdon, Surrey, UK Last edited by Big Load; 05-24-2015 at 03:05 AM.. Reason: amend |
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05-24-2015, 03:03 AM
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A capped off vacuum line. It looks like the line that goes to the hot water valve for the heater?
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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05-24-2015, 08:51 PM
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White line should be easy to follow, where does it go?
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05-25-2015, 05:21 AM
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1985 Porsche 928s
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I think it's an emergency engine pull-start cord.
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05-25-2015, 09:38 PM
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hi I will check and reply back to these once the car comes back from the garage. its gone in for a selector cable repair. I was just getting myself ready for the next job
'hot air coming through to the cabin not cold' will be going through the vacuum test and heater control swap out. then if required start changing out the actuators. excellent write ups on this job on rennlist should this line be capped off???? or should it be connected somewhere. the white pipe I'm thinking its the heater valve line, hence the route i'm going down to do the vacuum test. thanks for the info. so far though.
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Porsche 928 S4 1989,Auto, 93K on clock, gun metal grey with cream interior. Coulsdon, Surrey, UK |
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05-26-2015, 09:23 PM
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That white line should be coming from the 4 way by the brake booster(where the blue one-way valve is located), so yes, it should be capped otherwise you would have a vacuum leak. I would venture to say that your hot water valve was not working prior to the line being removed and capped. The default for that valve is open, so you WOULD be getting hot air into the cabin.
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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05-27-2015, 08:03 AM
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Heater Valve -
I agree with the others - this vacuum line should probably be connected to the heater (hot water shut off valve) control valve located in the center of the fire wall behind the lower half of the air filter assembly. If the heater control valve is disconnected from it's vacuum source - it falls to the full open position which runs hot water through the interior heater core.
Sometimes an owner will plug the vacuum source and zip tie the plastic arm of the heater control valve to the closed position (hot water can no longer flow into the interior heater core) because the vacuum diaphragm inside the valve has failed. As a temporary fix this will disable the heater during a hot summer. Normally the needed parts are put on order and replaced before winter arrives. Perhaps the zip tie came off the heater valve control arm leaving you the lack of temp control. Good Luck, Michael
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1984 928S - "Miss Purdy" 1987 911SC - "Frau Helga" 1986 930 - "Well Hung" 1975 911 Targa "Blue" Last edited by JK McDonald; 05-27-2015 at 08:37 AM.. |
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05-27-2015, 08:26 AM
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You should also have a rubber seal along the top of the firewall, can't see if you have one or not from the pict.
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05-27-2015, 10:26 AM
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Porsche 928 s4 non cat
