Speedo transducer

[rbfisher]

Hi,

Need to adjust/repair/replace the speedo transducer on my 99 Chimaera 4.0l.

Would like to know which side of the diff its on and if you can get to it by taking the rear tyre off.

Also, is it bolted onto the assembly or does it just click into a mounting?

If it needs replacing does anyone know what its from originally and approximate cost?

Cheers,

Richard Fisher

[shpub]

1. It is on either the LHS or RHS. This is a TVR you know...
2. Access requires the use of a ramp or a set of axle stands so you can grovel from underneath.
3. The donor car is another TVR. They are sold as matched pairs with the speedo head so you need to go to TVR for a replacement. Cost is around 90-150 pounds ish.
4. It is normally bolted to a bracket.

Steve
www.tvrbooks.co.uk

>> Edited by shpub on Monday 17th June 07:27

[rbfisher]

Thanks Steve - I'll have a fiddle around at the weekend.

Cheers,

Richard Fisher

[rbfisher]

Right - I've had a good fiddle around the old girl's speedo transducer and I reckon it's probably working OK.

I figure that the ECU takes its motion detection reading from this transducer to keep the revs up during gear changes when the throttle is closed briefly. If it wasn't getting a reading then the revs would be dipping during gear changes which they aren't.

That means that the speedo itself may be at fault.

Is my reasoning correct or am I barking up the wrong tree?

Cheers,

Richard Fisher

[david beer]

I do not know if we are tecnically related here, but my 99 griff has a "box" before the speedo. It makes "adjustments" so the speedo is almost accurate. My sat nav shows it is 5mph out across the range. Mine is sat by the radio in the dash.
David