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Author Topic: Duff V6 GM Crank Sensor!  (Read 2577 times)

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Andy B

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Re: Duff V6 GM Crank Sensor!
« Reply #15 on: 18 April 2021, 17:34:58 »

Never had to replace any on my two Omegas just lucky I guess.

I (had) replaced 2 on my V6 .... one failed while SWMBO was at the lights in the middle of 4 lanes of traffic one Sat morning. Needless to say by the time I arrived, it restarted as though nothing had happened. The other time I was more prepared & had a brand new spare in a box that I'd bought over the counter at a real dealer  ::) but I was towing at the time & there was snow on the ground. Recovery arrived, I presented him with the code/fault & a spare CSS  ;D ;D His reply was that nobody had ever done that before.  ;D ;D
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Nick W

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Re: Duff V6 GM Crank Sensor!
« Reply #16 on: 18 April 2021, 17:49:01 »

Recovery arrived, I presented him with the code/fault & a spare CSS  ;D ;D His reply was that nobody had ever done that before.  ;D ;D


The fan belt breaking on one of my Capris had made the timing belt jump a few teeth. I discovered that after walking about a mile to the nearest factor to get a new fan belt, which I fitted with the mole grips that were in the boot. That wasn't enough to retime the engine so I called the AA. The patrol was expecting to call it in as a recovery - I was in Crawley and live in Chatham - but I borrowed his tools and had it running in about 15 minutes.
I arrived at the party with dirty hands, and only slightly late ;D


As soon as I had time, I refitted the cam belt cover.
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Andy B

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Re: Duff V6 GM Crank Sensor!
« Reply #17 on: 18 April 2021, 18:28:04 »

....
As soon as I had time, I refitted the cam belt cover.

I didn't think that anyone ever refitted the cam belt cover on a Pinto  ::) ;D ;D
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Nick W

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Re: Duff V6 GM Crank Sensor!
« Reply #18 on: 18 April 2021, 18:54:32 »

....
As soon as I had time, I refitted the cam belt cover.

I didn't think that anyone ever refitted the cam belt cover on a Pinto  ::) ;D ;D


It's there for a reason.


As I found out; the broken fan belt wouldn't have disturbed the cam belt, and I would have been back on the road in about 30 minutes....


And I've always used them since :y
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Andy B

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Re: Duff V6 GM Crank Sensor!
« Reply #19 on: 18 April 2021, 20:02:32 »

....
As soon as I had time, I refitted the cam belt cover.

I didn't think that anyone ever refitted the cam belt cover on a Pinto  ::) ;D ;D


It's there for a reason.


As I found out; the broken fan belt wouldn't have disturbed the cam belt, and I would have been back on the road in about 30 minutes....


And I've always used them since :y

My memories of how to opps up on a Pinto was to hook the top rad hose over the top/back of the cam cover .... can't remember now why you would  :-\ ... and the cam pulley would wear a nice hole into it.  ;D ;D
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Nick W

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Re: Duff V6 GM Crank Sensor!
« Reply #20 on: 18 April 2021, 22:04:36 »


My memories of how to opps up on a Pinto was to hook the top rad hose over the top/back of the cam cover .... can't remember now why you would  :-\ ... and the cam pulley would wear a nice hole into it.  ;D ;D




I don't understand HOW you could, as the thermostat housing, that the hose attaches to, points up in front of the cam pulley. The hose then bends forward towards the radiator.


You're more likely to wear through the bottom hose with the fan belt if the water pump bearings fall out. Which, of course, they can't ;D
« Last Edit: 18 April 2021, 22:06:24 by Nick W »
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dave the builder

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Re: Duff V6 GM Crank Sensor!
« Reply #21 on: 18 April 2021, 22:05:36 »

....
never had a Carlton crank sensor fail in 20 years of ownership (4 Carltons)
 ....

I never had one fail on my Senators or Carlton or Manta either .... mainly because they had a dizzy & points  ::) ::)
Points   ???
my oldest Carlton was 1990 MK 2 pre facelift ,with crank sensor and dissy cap and EFi (20SE engine )
I guess your talking MK1 Carltons and sennys  :-\
though IIRC the 1.8 Mk 2 had a carb ,but not points surely  ?
I never owned a manta  :(
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Andy B

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Re: Duff V6 GM Crank Sensor!
« Reply #22 on: 18 April 2021, 23:23:13 »

....
never had a Carlton crank sensor fail in 20 years of ownership (4 Carltons)
 ....

I never had one fail on my Senators or Carlton or Manta either .... mainly because they had a dizzy & points  ::) ::)
Points   ???
my oldest Carlton was 1990 MK 2 pre facelift ,with crank sensor and dissy cap and EFi (20SE engine )
I guess your talking MK1 Carltons and sennys  :-\
though IIRC the 1.8 Mk 2 had a carb ,but not points surely  ?
I never owned a manta  :(

I'm obviously a little older than thee  ;) ;)
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Andy B

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Re: Duff V6 GM Crank Sensor!
« Reply #23 on: 18 April 2021, 23:24:40 »


My memories of how to opps up on a Pinto was to hook the top rad hose over the top/back of the cam cover .... can't remember now why you would  :-\ ... and the cam pulley would wear a nice hole into it.  ;D ;D




I don't understand HOW you could, as the thermostat housing, that the hose attaches to, points up in front of the cam pulley. The hose then bends forward towards the radiator.


You're more likely to wear through the bottom hose with the fan belt if the water pump bearings fall out. Which, of course, they can't ;D

I know I wasn't the only person to do it  ::)
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deviator

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Re: Duff V6 GM Crank Sensor!
« Reply #24 on: 19 April 2021, 10:30:39 »

I didn't think electrical components were guaranteed? I seem to remember a lot of places won't take back an electrical part. They claim you've swapped the part/fitted it incorrectly/damaged it/faulty wiring and will wriggle out of swapping it.

So good luck!
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johnnydog

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Re: Duff V6 GM Crank Sensor!
« Reply #25 on: 16 January 2022, 18:41:27 »

Just resurrecting this topic for several reasons....one being an apology to VX  :y for supplying what I thought at the time was a duff crank sensor!! (read back to see why)
My 2.6 started well (whenever I used it) after the saga of just cranking but not firing, with a good used VX sensor (after I'd replaced the new genuine VX sensor).
I had an operation in June which prevented me from driving, so I SORN'D the car, and didn't put it back on the road until last month.
Since then it has been been a bit hit and miss starting - same symptoms :-\.
Cut a long story short, I have now replaced both the fuel pump and fuel injector relays, and since that time it has started first time, everytime. So I can only conclude that although the symptoms were of a failing crank sensor, it appears that issue was a failing relay.
The good point is that I now have a good 'new' spare genuine crank sensor - the only bad thing is I cut the the original sensor on the car before fitting its replacement - the original appears now not to have been the culprit ::)
So although the symptoms may point to a failing crank sensor (which it very often is), for the little time it takes, I will in future check these two relays first...
« Last Edit: 16 January 2022, 18:43:05 by johnnydog »
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Doctor Gollum

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Re: Duff V6 GM Crank Sensor!
« Reply #26 on: 16 January 2022, 18:48:53 »

The extra cranking may well prematurely kill the relays and pump. But that's a hunch rather than proven fact.

Certainly those relays often fail on lpg equipped cars ime
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