c5 mot fail
Moderator: RichardW
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c5 mot fail
chaps, my (new) landladies car failed a halfords! mot test today.
3 items
nearside front suspension pipe leak
Rear (rear connecting block) fluid suspension pipe leak.
Exhaust emits an excessive level of metered smoke for a turbo charged engine
do the pipe leaks sound like a major PITA ? I have never looked under a c5 nor touched one..
the exhaust, the average reading from the smoke test is 4.28 m-1 I think, hard to read it clearly..
do these HDi's need a tunisian tune up like old school diesels?
any thoughts appreciated, although i realise it's a get your head stuck under the car situation really..
John
3 items
nearside front suspension pipe leak
Rear (rear connecting block) fluid suspension pipe leak.
Exhaust emits an excessive level of metered smoke for a turbo charged engine
do the pipe leaks sound like a major PITA ? I have never looked under a c5 nor touched one..
the exhaust, the average reading from the smoke test is 4.28 m-1 I think, hard to read it clearly..
do these HDi's need a tunisian tune up like old school diesels?
any thoughts appreciated, although i realise it's a get your head stuck under the car situation really..
John
Re: c5 mot fail
If your car doesn't have a dpf, then a "Tunisian tune up" is the way to go:)
I would give it an engine service , just to help, but a reading of over 4 means they are just getting soot out of the exhaust.
As for the leaks, they could be a bit involved if you are not sure what your doing.If the leaks are only slight, ie weeping, I would recommend cleaning the affected areas with a spray of Jizer and a pressure washer. If the leak is not apparent at time of test, it can't fail. You can then keep an eye on it to see how much leaks out.
I would give it an engine service , just to help, but a reading of over 4 means they are just getting soot out of the exhaust.
As for the leaks, they could be a bit involved if you are not sure what your doing.If the leaks are only slight, ie weeping, I would recommend cleaning the affected areas with a spray of Jizer and a pressure washer. If the leak is not apparent at time of test, it can't fail. You can then keep an eye on it to see how much leaks out.
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Re: c5 mot fail
If it's like mine, the leak may not be from the connecting block, but an accumulation inside the aluminium cross member on which it's mounted, seeping past the bolts. What I don't yet know is how the fluid got inside the cross member - years of missing from the breathers, or leakage from the return pipes which run inside it?
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Re: c5 mot fail
The front suspension leak may just be a split leak off hose.
Peter
Peter
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Re: c5 mot fail
thanks all, sorry didnt respond earlier..
well somehow half""ds passed it yesterday, I dont know what if anything they did and how much it cost..
but, she drove away from them and lost the throttle..
they got the car back - i am guessing using idle speed - and I believe changed the throttle unit .. (I need to confirm this)
anyway, no difference.. car still has no throttle and their electricion is not due till Weds..!!
I dont have a lexia but want to help...
any thoughts on what could have gone wrong, to give no throttle? I am assuming halfords would know a snapped cable but,..,
John
well somehow half""ds passed it yesterday, I dont know what if anything they did and how much it cost..
but, she drove away from them and lost the throttle..
they got the car back - i am guessing using idle speed - and I believe changed the throttle unit .. (I need to confirm this)
anyway, no difference.. car still has no throttle and their electricion is not due till Weds..!!
I dont have a lexia but want to help...
any thoughts on what could have gone wrong, to give no throttle? I am assuming halfords would know a snapped cable but,..,
John
Re: c5 mot fail
i dont think Halfrauds know which end of there backside the sun shines from ,
they completely BBBBBBB'D up a C5 head lamp then were told by the owner to get away from his car before they break something else,
bunch of wwwwwwww/kers
they completely BBBBBBB'D up a C5 head lamp then were told by the owner to get away from his car before they break something else,
bunch of wwwwwwww/kers
Regards, malcolm.
current ride a BX 1.7 TZD estate
1986 MK1 BX 1.9na D Auto(in Mothman Andy's stable )
layed up roppy 1.9TD XANT estate, now gone to meet her maker
purple and lilac metalic 2CV(VIOLET)registered to her in doors
1972 DS special been layed up aprox 31 years
current ride a BX 1.7 TZD estate
1986 MK1 BX 1.9na D Auto(in Mothman Andy's stable )
layed up roppy 1.9TD XANT estate, now gone to meet her maker
purple and lilac metalic 2CV(VIOLET)registered to her in doors
1972 DS special been layed up aprox 31 years
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MG TF 135
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Honda V F R 800 5thG / MT500 Armstrong - x 39
Re: c5 mot fail
hmm
still need a clue on this ..
car is laid up and maybe i need to get across to see it.. all i know is no connection between pedal and engine, but think the cable is ok..
still need a clue on this ..
car is laid up and maybe i need to get across to see it.. all i know is no connection between pedal and engine, but think the cable is ok..
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- (Donor 2021)
- Posts: 4625
- Joined: 27 Nov 2005, 19:07
- Location: Kent / Susssex
- My Cars: 2010 C5 X7 2.0 hdi 160 exc auto
MG TF 135
Boxer II 2.2 camper conversion
BMW R1200RT
BMW K1300 R
Honda V F R 800 5thG / MT500 Armstrong - x 39
Re: c5 mot fail
i guess the TPS and the MAF are cheif suspects...
I need a lexia.. urgently
beer, lots of it, for anyone that can help this weekend..
I need a lexia.. urgently
beer, lots of it, for anyone that can help this weekend..
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It may be drive by wire, unless a fairly early car. I've seen one only faulty motorised throttle body, it illuminated the "K" light as the voltages required to steady its low revs were out of spec.
Sure it's not a blocked exhaust?
The other things to cripple it would be stuff like fuel delivery/pressure.
Sure it's not a blocked exhaust?
The other things to cripple it would be stuff like fuel delivery/pressure.
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- (Donor 2021)
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- Joined: 27 Nov 2005, 19:07
- Location: Kent / Susssex
- My Cars: 2010 C5 X7 2.0 hdi 160 exc auto
MG TF 135
Boxer II 2.2 camper conversion
BMW R1200RT
BMW K1300 R
Honda V F R 800 5thG / MT500 Armstrong - x 39
Re: c5 mot fail
hmm..
it was driving fine, I told her to rev it somewhat on the way to the test.. probably the first time the car has seen full throttle.!
then 4 blocks from the mot and nothing,, just idleing speed..
dunno.,
it was driving fine, I told her to rev it somewhat on the way to the test.. probably the first time the car has seen full throttle.!
then 4 blocks from the mot and nothing,, just idleing speed..
dunno.,
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- (Donor 2021)
- Posts: 4625
- Joined: 27 Nov 2005, 19:07
- Location: Kent / Susssex
- My Cars: 2010 C5 X7 2.0 hdi 160 exc auto
MG TF 135
Boxer II 2.2 camper conversion
BMW R1200RT
BMW K1300 R
Honda V F R 800 5thG / MT500 Armstrong - x 39
Re: c5 mot fail
thanks adam.. I may go and look at it tomorrow morning.. will let you know..
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- (Donor 2021)
- Posts: 4625
- Joined: 27 Nov 2005, 19:07
- Location: Kent / Susssex
- My Cars: 2010 C5 X7 2.0 hdi 160 exc auto
MG TF 135
Boxer II 2.2 camper conversion
BMW R1200RT
BMW K1300 R
Honda V F R 800 5thG / MT500 Armstrong - x 39
Re: c5 mot fail
well, it's the 12th.. the car went for the mot at halfords 1 week ago and has not ran since.
the latest update from my landlady (colombian)
Something to do with the wire fly system.
A friend spoke to the garage for me.
If they can repaired it it will be okey but if they have to get a new one it will be hundreds of £!!
I want to help, it's not worth spending hundreds on a 10 year old C5 Hdi.. grr feel a bit helpless.. car is stuck about 10 miles away.. and I am lexialess..
the latest update from my landlady (colombian)
Something to do with the wire fly system.
A friend spoke to the garage for me.
If they can repaired it it will be okey but if they have to get a new one it will be hundreds of £!!
I want to help, it's not worth spending hundreds on a 10 year old C5 Hdi.. grr feel a bit helpless.. car is stuck about 10 miles away.. and I am lexialess..
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Alfa 147 - x 93
Doesn't sound right. Can't get it flatbedded to work or your house?
First thing I check on anything newer than a Xantia is the underbonnet relay panel - swap with a known working unit. This test takes about ten minutes.
Also worth checking the timing belt. Does it cough into life with a squirt of ether?
First thing I check on anything newer than a Xantia is the underbonnet relay panel - swap with a known working unit. This test takes about ten minutes.
Also worth checking the timing belt. Does it cough into life with a squirt of ether?
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- (Donor 2021)
- Posts: 4625
- Joined: 27 Nov 2005, 19:07
- Location: Kent / Susssex
- My Cars: 2010 C5 X7 2.0 hdi 160 exc auto
MG TF 135
Boxer II 2.2 camper conversion
BMW R1200RT
BMW K1300 R
Honda V F R 800 5thG / MT500 Armstrong - x 39
Re: c5 mot fail
sorry adam, car runs.. idles.. jsut no throttle..
can tow her back, may be easy as she's a runner..
can tow her back, may be easy as she's a runner..