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Cam belt not gone - it's the sensor !
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zarnd
 


Member Since: 23 Apr 2010
Location: Kent
Posts: 794

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Not good news. If it is a cambelt failure after the LR dealer has fitted a new belt, then I would be expecting a contribution. The 105k interval for changing is a recommendation, not a guarentee that it will will last that long and nor is it a target. I assume that it is checked on certain service intervals.

Fingers crossed it all works out for you

cheers
 Alex

2007 D3 TDV6 HSE
2009 Caterham Supersport
2005 FFRR Vogue SE 4.2 Supercharged
2004 SL55 AMG 
 
Post #6690836th Jul 2010 11:32 pm
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Stu
 


Member Since: 08 Feb 2009
Location: Hampshire
Posts: 2423

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Ron, if you drove home ok last night and there was nothing at all this morning then I can't see it being the belt. However if it is the belt then it shouldn't have done any damage. I just can't see how the belt can go if the engine isn't running. Did you check the oil? I only ask because I know the turbo and probably other components can still be moving when the engine is switched off and if the oil pump is off and things are still moving it isn't ideal, not sure how that could give you the issue you have though. I wouldn't panic yet, it really doesn't sound like the cambelt to me.
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Post #6690926th Jul 2010 11:40 pm
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SN
 


Member Since: 03 Jan 2006
Location: Romiley
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belt can go at any time - I've had one snap on an old Ford simply idling at a set of traffic lights - engine just stopped, I wasn't revving it or anything. Fortunately it was doing so little it caused NO damaged at all and I just had to get the belt replaced
 Steve N | 21MY Defender | 08MY Discovery 3 (history) | 06MY Discovery 3 (ancient history)   
Post #6690966th Jul 2010 11:45 pm
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Stu
 


Member Since: 08 Feb 2009
Location: Hampshire
Posts: 2423

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Quote:
I assume that it is checked on certain service intervals


There's not much you can see really (In terms of predicting a failure) . I doubt that it is checked at all. The cost of the 105k service to change the cambet is expensive, this is because of the time it takes to change the belt (most of the time is taking bits out to get to the belt, and to check a belt you'd really need to take it off. If you're doing that, then you might as well stick a new one in. Belts are only around £20 - £30 ISTR.

It could be the rear belt though, if that's gone then that's a result as it just powers the fuel pump so just needs a new belt and you're back up and running with no damage.

The trouble with Cambelts going is the damage that is done to the engine when they let go, I just can't see this being a cambelt failure.
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Post #6690976th Jul 2010 11:48 pm
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DG
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Wales 

Same scenario for me Steve with a Cavalier 1.8 GLi that I had 20 years ago ...went idling at the lights ..unbeknown to me ...so I then tried to jump it going down a hill which completely fecked the engine Laughing


ronp ...if you can demonstrate you have met all servicing requirements ...I think you have a good case Thumbs Up
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Post #6691006th Jul 2010 11:51 pm
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Russell
 


Member Since: 24 Aug 2007
Location: Kent
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United Kingdom 

Early Fords (CVH engines ) had a habitt of belts letting o whenthey were being started. When I worked at a VW dealers a rep came in with a new Ford Escort, had it a couple of weeks and done a few thousand miles. Went to leave the site and the car would not start, we had a quick look to find cam belt gone, had stripped all the teeth on the bottom pulley where it went round the crank shaft.
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Post #6691127th Jul 2010 2:21 am
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SteveNorman
 


Member Since: 14 Oct 2005
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United Kingdom 

Firstly if stated that a camshaft failed, that is not necessarily the belt, i.e. camshaft siezed in head.... (which would damage the belt anyway) could be a number of things.
secondly, Landrover only recommend changing the belt & tensioner bearing at 105,000, there are two other idler bearings which they don't change (but would be good practice to), could be failure of any of these.

I would suggest you ask to see the vehicle & have a look for yourself & get them to explain what has failed & why, then you can make an informed decision as to the state of events.

Regards
Steve
  
Post #6691207th Jul 2010 6:59 am
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mack1979
 


Member Since: 01 Dec 2008
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United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

I find just by the drivers door, about 2 feet away gives you the best swing for giving it a good kick, John Cleese style, but then you do have to balance wearing steel toe caps (damaging the car more) or breaking your foot.

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Post #6691337th Jul 2010 8:03 am
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zarnd
 


Member Since: 23 Apr 2010
Location: Kent
Posts: 794

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

What happened when you tried to start it the next morning? What sort of noise did it make?

Is the TDV6 a safe engine? i.e. if the belt lets go then nothing gets damaged or bent? Or is this possibly the first case of cambelt failure and no one knows the answer?

cheers
 Alex

2007 D3 TDV6 HSE
2009 Caterham Supersport
2005 FFRR Vogue SE 4.2 Supercharged
2004 SL55 AMG 
 
Post #6691347th Jul 2010 8:11 am
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BrumLee
 


Member Since: 07 Mar 2008
Location: West Midlands
Posts: 1360

United Kingdom 2005 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

Vauxhall used to warranty their belts for 72k miles and if the belt failed due to faulty parts then they coughed up for repairs, Ford were similar.

Call customer services and ask what the warranty period is for replacement cam belt and if they say 12 months or something along those lines have a chat with Trading Standards. They cannot supply parts that are not fit for purpose, the belt must be guaranteed for 7 years or 105k miles against failure.

It's not whether or not the vehicle is under warranty, you have had parts replaced in line with manufacturer's specifications and by their service representatives. I presume you had a reciept for the cambelt renewal?
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Post #6693217th Jul 2010 2:34 pm
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ronp
 


Member Since: 29 Nov 2006
Location: North Yorkshire
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United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Problem still being diagnosed by local garage.
But now not so fussed about taking LR to task over this.
I checked my £18 per month AA warranty and it cover belts/ tensioners etc if they fail before the recommended period.
Not a bad policy for a 146k miler, 5.5yr old D3 Wink
 I was a normal heterosexual chap, but in these new woke awakenings I now identify as a Wardrobe.  
Post #6693257th Jul 2010 2:41 pm
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BrumLee
 


Member Since: 07 Mar 2008
Location: West Midlands
Posts: 1360

United Kingdom 2005 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

I'd have thought if it were the cam belt they would have diagnosed it by now. Engine cover off, one rocker cover off, turn engine over. No moving parts, belt gone, moving parts, start scratching head Wink

Did the dealer change the fuel pump belt? That'd stop it starting if it's failed.
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Post #6693317th Jul 2010 2:51 pm
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John C
 


Member Since: 28 Aug 2007
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United Kingdom 2006 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Reckon if it was the belt, they'd have diagnosed that pretty quick?

[edit - must type faster]
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Post #6693327th Jul 2010 2:52 pm
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flinty99
 


Member Since: 17 Mar 2008
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England 

Sorry to hear your also having problems Ron.

Please don't tell my car about this otherwise it will insist on joining your new club
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Post #6693757th Jul 2010 4:34 pm
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ronp
 


Member Since: 29 Nov 2006
Location: North Yorkshire
Posts: 15214

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Well as the amended thread title says, it's not the cam belt but the cam sensor that's gone.
Seemingly this failure sends a signal to the ECU and it decides not to fire up the engine.
Anyone shed any more light on this?
 I was a normal heterosexual chap, but in these new woke awakenings I now identify as a Wardrobe. 

Last edited by ronp on 8th Jul 2010 8:46 am. Edited 1 time in total 
Post #6694007th Jul 2010 5:49 pm
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