2007 Vauxhall Signum Problems

Problems and faults with the 2007 model year Vauxhall Signum
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Latest 2007 Vauxhall Signum Problems
Engine turning over but won’t start

Engine turns over starts poorly and stops when you stop turning the key.

2007 Vauxhall Signum 1.9 cdie
Posted: Nov 27, 2022
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Also the brake light warning keeps coming on after the fault has been rectrified

Just brought the car and the brake light warning is still on despite the problem being resolved

2007 Vauxhall Signum cdti 150
Posted: Aug 28, 2021
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Where are the relay switches on a vauxhall signum 2007

The car has an occasional dead instrument panel and the brake lights dont work.

2007 Vauxhall Signum design cdti 150
Posted: Aug 28, 2021
2
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Need to find the thermostat

I need to take the thermostat out as I have a bad leak from the core plug behind the hear box so I need to put a steal deal in

2007 Vauxhall Signum V6cdti
Posted: May 5, 2021
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Timing chain

I have been advised my timing chain has broken causing undetermined damage to the engine. I wanted to find out if this is a common fault as my car has only done 77K.

2007 Vauxhall Signum 2.2 i direct
Posted: Mar 13, 2017
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Dual mass flywheel

Vibration from engine on idle, I have been told its dual mass flywheel and main dealers want £1500 of my hard earned cash to replace. This seems a bit steep, does anyone know a better deal

2007 Vauxhall Signum Elite 1.9CDTI
Posted: Sep 22, 2012
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Heated rear window

Last winter I noticed 3 of the heating elements had failed but window still heats and defrosted ok. just put it on today with the first cold snap of the year and it is not working. heated mirrors still work ok. Checked continuity of elect...

2007 Vauxhall Signum Elite CDTI
Posted: Sep 22, 2012
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When the sun comes out the alarm activates

The sun comes out the alarm activates.Open the door it stops,lock it again 2minutes later it activates again. Open and live the window down so it wont auto lock the alarm doesnt activate. If its cloudy or cold it doesnt activate. I have rem...

2007 Vauxhall Signum 1.9 turbo diesel elite
Posted: Jul 18, 2012
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Windows

ive just bought the car and have noticed that if you hold the unlock button on the key when unlocking the car, all the windows come down untill you stop pressing the button. the problem is, when you then lock the vehicle, all the windows cl...

2007 Vauxhall Signum 2.8 v6 turbo
Posted: Jul 9, 2011
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water collecting around the spare wheel

i recently bought a used 2007 signum 2.8 v6 turbo and have noticed quite alot of water (about 1" deep) in the recess where the spare wheel sits

2007 Vauxhall Signum 2.8 v6 turbo
Posted: Jul 9, 2011
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High mpg on tick over

ive had my signum for 2yrs been a great car,but its start to run 1.1- 1.3mpg when the car is at a stand still.its normal 0.2- 0.4. it happens only now and again and vauxhall couldnt find a code or get it to do it.it flys when running like t...

2007 Vauxhall Signum 1.9 cdti auto 150
Posted: Apr 6, 2011
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Lack of power/jerking

When going uphill @ 50mph plus in 5th/6th gear there is a lack of power/jerking briefly for about 10 seconds then problem goes away.

2007 Vauxhall Signum 1.9 CDTI
Posted: Oct 6, 2009
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