Speedo & Brake prob's

[weg2727]

Hi
'92 400. my speedo is stationary at 25mph when cruising or if I go a bit faster it goes to 80 mph and I know I'm not doing 80 mph, I find myself going by speed cameras at a snails pace.

Also, My brakes work fine, but when ever I press the brake pedal I get an almighty klunk, I'm finding this a bit scary.

I'm a little worried about gaining a few points and trying to use the handbrake to stop.

Cheers Stu.

[Barreti]

On the brakes question, have you checked to make sure your calipers are still secured by both bolts, and that your wheel nuts are tight?

[Mark_G]

Had a similar problem recently with my '98 Griff 500 - speedo would not go above 80 mph no matter the gear / revs. Ended up swapping for a refurbished speedo which has solved the problem - seems that it's not uncommon that the cogs (?) inside the speedo unit jam/slip. BTW, I check with the MOT people re the fact that the mileage now on the dash is not consistent with the MOT records / log book - they weren't concerned! I have kept a record of the mileage on the original unit I removed and the mileage on the new unit that went in - so that the actual mileage on the car can be calculated at a later date.

In the mean time, until you can find a replacement unit, try to work on driving by the RPM - the ratios on speed / rpm are pretty simple -though I can't recall the ratios as I type this...
Have fun learning while /m

[weg2727]

Thanks Mark, Where would be the best place for a replacement speedo or in my case I would really like to get it repaired if possible because it's '92 Griff with only 28k on the clock.
Cheers
Stu

[Mark_G]

I got mine through Leven (Basildon) - I think they have contacts with a company in Wales(?) Give Jules and Simon a call, they'll be more than helpful. /m