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924 fuel pump relay

 
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musicalannette  



Joined: 21 Feb 2012
Posts: 413
Location: UK

PostPosted: Wed Sep 03, 2014 10:46 am    Post subject: 924 fuel pump relay Reply with quote

saw this.

seems awfully expensive.


http://www.ebay.co.uk/itm/NEW-DME-FUEL-PUMP-RELAY-FOR-PORSCHE-924-/191274906986?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2c88df756a

whats the going rate?

does anyone have a stash of old faulty relays? it might be possible to repair them, post shouldnt be too bad.
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musicalannette  



Joined: 21 Feb 2012
Posts: 413
Location: UK

PostPosted: Wed Sep 03, 2014 11:00 am    Post subject: Re: 924 fuel pump relay Reply with quote

musicalannette wrote:
saw this.

seems awfully expensive.


http://www.ebay.co.uk/itm/NEW-DME-FUEL-PUMP-RELAY-FOR-PORSCHE-924-/191274906986?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2c88df756a

whats the going rate?

does anyone have a stash of old faulty relays? it might be possible to repair them, postage shouldnt be too bad.


a lot depends which part has failed.

same with the ignition boxes, if there is a few to see if it is reparable then it might be worth me building a test rig 4 them.
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CorsePerVita  



Joined: 25 Jul 2008
Posts: 1992
Location: Redmond, Oregon

PostPosted: Thu Sep 04, 2014 5:09 am    Post subject: Reply with quote

Pelicanparts has them for like $21 man.
http://www.pelicanparts.com/cgi-bin/ksearch/PEL_search_2014.cgi?command=show_part_page&please_wait=N&SUPERCAT_FLAG=Y&make=POR&model=984&section=ELSWCH&page=3&bookmark=12&part_number=433-906-059-M252

Even if you ship it internationally it's STILL cheaper than the ebay part
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- 1977 Porsche 924 2.0 N/A (Trackday Project)
- 1979 Porsche 924 2.0 N/A (The other daily)
- 1980 Porsche 931 (Daily)
- 1987 Lamborghini Jalpa
- 1999 Ducati 900SS
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musicalannette  



Joined: 21 Feb 2012
Posts: 413
Location: UK

PostPosted: Thu Sep 04, 2014 10:48 am    Post subject: Reply with quote

now that makes more sense.....I thought someone had opened a shop called daylight robbery.

thanks for pointing it out, if I need one on future ill go there.
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!tom  



Joined: 28 Aug 2006
Posts: 1941
Location: Victoria, BC Canada

PostPosted: Thu Sep 04, 2014 4:01 pm    Post subject: Reply with quote

It's not clear to me from these posts which relay you need.

The various years of 924's have a variety of fuel pump relays that work in different ways, with consequently varying prices.
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9xx  



Joined: 18 Jun 2006
Posts: 627
Location: Jarvenpaa, Finland

PostPosted: Thu Sep 04, 2014 4:23 pm    Post subject: Reply with quote

KAE 3.300.300 relay quality is questionable. Few days ago I was driving to ice hockey rehearsal and noticed/heard that some relay started to buzz every time I tried to accelerate and eventually cut out the fuel delivery(?) if the acceleration continued.

Turned out it was the almost new KAE fuel pump relay. Luckily I had a spare one in the glove box.
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All gone: 931 '82 Alpine White, original option "220" G31 with LSD + 3 x 944
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musicalannette  



Joined: 21 Feb 2012
Posts: 413
Location: UK

PostPosted: Fri Sep 05, 2014 5:12 am    Post subject: Reply with quote

hi tom.

luckily im fine as far as needing one.

i remember a discussion before with you on this subject and you pointed me to a drawing of the relay circuit somewhere on this board, i tried and couldnt find it. but it seems the relay causes a lot of people bother. i think i remember someone saying they are hard to get hold of. what i was wondering is do they fail regulaly? if i could get hold of 5 or 10 faulty relays i might be able to see if it is a common fault, or if there was some weak link in the circuit, there might be a mod that could stop this from happening. if it is a common fault and not the relay machanism then it may be a $2 repair/mod after a bit of work. i would rather keep a few chips spare at a $1 than a relay.

nothing is worse than a car letting you down at the flick of a switch if it can be prevented. i like to be able to know im driving home every time i drive out. a breakdown wagon doesnt seem much fun.

i suppose a carrying a spare relay is a very good idea, but i think if you have a bit of skill, you might be able to make the components that fail pluggable so carrying a few chips that can plug in to the inside of the relay is a better idea at $2, or if we are lucky we might be able to add some protection to the circuit to stop it failing.

i will do another post, asking who has had a fail and how long it is for they had another failure.

really what i could do with is 10 or so faulty relays.
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