Td5 Power Loss

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Originally Posted by Graeme

There's not a lot in the way of electronics that will stop a TD5 - ecu, throttle position sensor and crankshaft position sensor, and the throttle position sensor seems the most likely to fail and not without reason due to its operation.

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Graeme's comment that there's only 3 major electronic componenets that can stop a TD5 sounds reassuring and as I'm planning the around Australia thing I thought that I would investigate further. A spare ECU isn't such a big deal as long as I get it pre programmed with appropriate security codes and injector info, the TPS isn't too bad to replace but the crankshaft position sensor seems to be a problem. I think I've found it (high up on the rear RHS of the engine, almost behind the inlet manifold.) Question is how do you get to the the thing in the event of a failure without dismantling large bits of the engine?

Russell

another thing that can stop the Td5 is a dead battery in the remote.......


it will be working fine all day....until you switch it off.......then it will stay off.........



wanna know what happens.......leave your button inside and go out to your car with just the key.....
and try start it.......

there is a procedure to bypass this.......but you must have a 4 digit code.....

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Originally Posted by rjhjstr

Graeme's comment that there's only 3 major electronic componenets that can stop a TD5 sounds reassuring and as I'm planning the around Australia thing I thought that I would investigate further. A spare ECU isn't such a big deal as long as I get it pre programmed with appropriate security codes and injector info, the TPS isn't too bad to replace but the crankshaft position sensor seems to be a problem. I think I've found it (high up on the rear RHS of the engine, almost behind the inlet manifold.) Question is how do you get to the the thing in the event of a failure without dismantling large bits of the engine?

Russell

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The crankshaft position sensor is mounted on the gearbox bell-housing on the RHS, not to be confused with the fuel temperature sensor that's mounted on the fuel pressure regulator housing that's mounted on the head under the rear of the inlet manifold. I've not heard of a failure with a TD5 crankshaft position sensor (other than a bad connection) - there are other items that appear more likely to fail, eg the turbo (the seals on the GT20 seem to fail suddenly - probably because the shaft floats on oil rather than metal bearings and possibly after a reasonably hard life) and the turbo wastegate actuator.

Quote:

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Originally Posted by rjhjstr

Graeme's comment that there's only 3 major electronic componenets that can stop a TD5 sounds reassuring and as I'm planning the around Australia thing I thought that I would investigate further. A spare ECU isn't such a big deal as long as I get it pre programmed with appropriate security codes and injector info, the TPS isn't too bad to replace but the crankshaft position sensor seems to be a problem. I think I've found it (high up on the rear RHS of the engine, almost behind the inlet manifold.) Question is how do you get to the the thing in the event of a failure without dismantling large bits of the engine?

Russell

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Sensors, sensors, sensors, potentiometers, ECU's, EMC's, rubber bands, turbos, wiring, wiring, everywhere, things that go fizz in the night, all additional points for failure and extra maintenance. Definitely not items you want on a true outback vehicle. My County-Isuzu has none of these. If you can roll it or push it, it will start. I bought it because I got sick of having my late model all electronic singing and dancing Falcon ute towed to the Ford dealer after yet another electric/electronic failure. For me, the future is mechanical injection diesels, or petrol engines with points and carburetors. you know where to stuff the ADR's and emission controls.

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Originally Posted by Brian Hjelm

Sensors, sensors, sensors, potentiometers, ECU's, EMC's, rubber bands, turbos, wiring, wiring, everywhere, things that go fizz in the night, all additional points for failure and extra maintenance. Definitely not items you want on a true outback vehicle. My County-Isuzu has none of these. If you can roll it or push it, it will start. I bought it because I got sick of having my late model all electronic singing and dancing Falcon ute towed to the Ford dealer after yet another electric/electronic failure. For me, the future is mechanical injection diesels, or petrol engines with points and carburetors. you know where to stuff the ADR's and emission controls.

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Funny thing is, for an IT worker like myself I feel very comfortable with the limited electronics in the defender. :)

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Originally Posted by Captain_Rightfoot

Funny thing is, for an IT worker like myself I feel very comfortable with the limited electronics in the defender. :)

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See how comfortable you feel when the car just stops. Yes, that's right, just stops, no noise, no warning. This is the classic electronic system failure. Now imagine you are 200 or so k's south of Boulia, or south-west of Winton when it happens. Diagnose it on the spot? The capital city dealers aren't capable of accurate diagnosis according to posts on this site. Fix it on the spot? Carrying a parts warehouse, are we? Dealers seem to fix electronic problems by elimination, replace one component after another until (maybe) a fix is found, and charge you for the lot and the labour. You could always 'phone the local dealer on your satellite 'phone if you have one. The local dealer may be 500-1000k's away. They are being closed down willy-nilly. And, some country towns no longer have an auto. dealer.

Quote:

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Originally Posted by Brian Hjelm

See how comfortable you feel when the car just stops. Yes, that's right, just stops, no noise, no warning. This is the classic electronic system failure. Now imagine you are 200 or so k's south of Boulia, or south-west of Winton when it happens. Diagnose it on the spot? The capital city dealers aren't capable of accurate diagnosis according to posts on this site. Fix it on the spot? Carrying a parts warehouse, are we? Dealers seem to fix electronic problems by elimination, replace one component after another until (maybe) a fix is found, and charge you for the lot and the labour. You could always 'phone the local dealer on your satellite 'phone if you have one. The local dealer may be 500-1000k's away. They are being closed down willy-nilly. And, some country towns no longer have an auto. dealer.

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Couldn't agree more, I have taken my 95 Tdi to the cape and back (OTR) and numerous other tracks up here, never missed a beat.
So far we've done a few trips in the Xtreme but I'm simply not confident in my ability to solve problems if it stops, there is so much electrickery.
For vehicles capable of going to very remote places the KISS principle can make life a lot easier,
I really shouldn't have to carry much more than belt(s) hoses and a decent tool kit and the ususal bits & pieces.
A spare ECU and Potentiometer sort of defeats the purpose.
I may as well tow a spare vehicle.
Not to mention the electric (in the tank) fuel pump.
But I will plug on and let her pleasantly surprise me!:twobeers:

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Originally Posted by harro

Couldn't agree more, I have taken my 95 Tdi to the cape and back (OTR) and numerous other tracks up here, never missed a beat.
So far we've done a few trips in the Xtreme but I'm simply not confident in my ability to solve problems if it stops, there is so much electrickery.
For vehicles capable of going to very remote places the KISS principle can make life a lot easier,
I really shouldn't have to carry much more than belt(s) hoses and a decent tool kit and the ususal bits & pieces.
A spare ECU and Potentiometer sort of defeats the purpose.
I may as well tow a spare vehicle.
Not to mention the electric (in the tank) fuel pump.
But I will plug on and let her pleasantly surprise me!:twobeers:

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ditto!!......couldnt agree more.....

Quote:

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Originally Posted by Brian Hjelm

See how comfortable you feel when the car just stops. Yes, that's right, just stops, no noise, no warning. This is the classic electronic system failure. Now imagine you are 200 or so k's south of Boulia, or south-west of Winton when it happens. Diagnose it on the spot? The capital city dealers aren't capable of accurate diagnosis according to posts on this site. Fix it on the spot? Carrying a parts warehouse, are we? Dealers seem to fix electronic problems by elimination, replace one component after another until (maybe) a fix is found, and charge you for the lot and the labour. You could always 'phone the local dealer on your satellite 'phone if you have one. The local dealer may be 500-1000k's away. They are being closed down willy-nilly. And, some country towns no longer have an auto. dealer.

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I was ERE. That's right... 5 days drive from the nearest road...

I know what you're saying and I do take it on board. Unfortunately we bought our car to get a long run out of and the youngest non td5 landrover was at the time 6 years old. There are many other things that can break on a vehicle other than electronics. I believe it was Chuck Yeagar that said "the best plane is the newest"

My friends were doing the trip with 15 year old rangies that were just as dependent on electronics as we are. In all their adventures the electronics have never given them trouble.

The world just doesn't build cars without electronics anymore. :( My entire driving life I have been driving vehicles with ECU's and other electronic systems and they haven't left me roadside yet.... touch wood. :)

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Originally Posted by Captain_Rightfoot

I was ERE. That's right... 5 days drive from the nearest road...

I know what you're saying and I do take it on board. Unfortunately we bought our car to get a long run out of and the youngest non td5 landrover was at the time 6 years old. There are many other things that can break on a vehicle other than electronics. I believe it was Chuck Yeagar that said "the best plane is the newest"

My friends were doing the trip with 15 year old rangies that were just as dependent on electronics as we are. In all their adventures the electronics have never given them trouble.

The world just doesn't build cars without electronics anymore. :( My entire driving life I have been driving vehicles with ECU's and other electronic systems and they haven't left me roadside yet.... touch wood. :)

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I know they don't build simple reliable repairable cars anymore. that is why I went into the past to get one. I had my first electronic ignition car in 1971. I have replaced numerous expensive failures since. You have just been bloody lucky, or don't drive a lot. Military aeroplanes are built and maintained without regard to expense. Yet they are bought from the lowest tenderer ( or the best grafter). Plenty of them fall down.