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Factory Tacho Issue!

PoppinJase

By PoppinJase,
in General Maintenance

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Peter Community Regular

Peter

Posted
Posted

Could it be the sender unit in the engine bay? The one in my old Patrol died and I replaced that with a second hander from the wreckers and it has been working fine now for 3 years...although it is a diesel...? The one in my 33 started to jump a little, but has now stopped...

Doobs Proficient

Doobs

Posted
Posted

It's the result of someone removing the needle from the tach, normally happens when they wind the speedo back.

The only fix I found was to buy a cluster from a wrecker, got lucky with one that worked. Just swapped the tacho unit over.

DVS JEZ Grand Master

DVS JEZ

Posted
Posted

Could it be the sender unit in the engine bay? The one in my old Patrol died and I replaced that with a second hander from the wreckers and it has been working fine now for 3 years...although it is a diesel...? The one in my 33 started to jump a little, but has now stopped...

Diesels work differently. Skylines and most petrol cars have an electronic signal from the ecu to the dash

iwanta34gtr Grand Master

iwanta34gtr

Posted
Posted

I had this issue when I had a r33 and it was a dry solder joint on the back of the cluster.

If you have a soldering iron, pull your dash out of the car and reflow or resolder all of the joints 4 the tacho and this will most likely fix it.

This is maybe why it works when you tap on the dash because its putting slight pressure on the cluster thus moving the joints.

Or could just be a dodgey cable at the back of the cluster. Maybe needs a clean. You could either try this first or do both when you pull the cluster out to hit the fault from both angles.

iwanta34gtr Grand Master

iwanta34gtr

Posted
Posted

Just did a quick search 4 u - heres some more detailed instructions.

http://www.skylinesaustralia.com/forums/topic/144131-how-to-fix-tacho-r33-maybe/

http://www.skylinesaustralia.com/forums/topic/324517-tacho-showing-over-9000/

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