Volvo 850 temp gauge dead

chrillew · Post by **chrillew** » 24 Apr 2020, 05:50

Hey

The temp gauge has been really intermittent so replaced The etc and termostat. But to no help.

The months passed and The temp gauge started to not work more frequently.
And now its been dead for a long time.

So got a new cluster and thought i just replace The temp gauge itself. But how do i get the needle of, is it just pulling it off. But seems stuck.

Post by **misha** » 24 Apr 2020, 06:48

You have a '95....so you still have obdI under the hood.
Check codes for instrument cluster.

chrillew · Post by **chrillew** » 24 Apr 2020, 07:40

Yes i did try that, in port a7. But The diod only blinks once Quickly. So cant read them out.

Post by **erikv11** » 24 Apr 2020, 07:50

You could just swap the whole cluster. Or move the odometer over to the new cluster with the working temp gauge.

chrillew · Post by **chrillew** » 24 Apr 2020, 07:53

Ye think thats easier. But i cant even reset The servicelight.

Post by **rspi** » 24 Apr 2020, 10:14

Yes you can simply pull the needle off. I have replaced the gauge on the back of the cluster in the past to fix an issue.

The problem with swapping the cluster is that you loose the correct mileage that is stored in the cluster.

chrillew · Post by **chrillew** » 25 Apr 2020, 07:28

Is it stored digital, or can i just swap the mechanical odometer thingy with gears over to get the old correct mileage ?

Post by **misha** » 25 Apr 2020, 11:45

Mileage follows the cluster.
You can correct it manually on the odometer gears...but true mileage is written digitally in instrument cluster module.

chrillew · Post by **chrillew** » 25 Apr 2020, 11:58

Instrument cluster module where is that located? So True mileage Will be affected or not?

Post by **misha** » 25 Apr 2020, 12:34

In the cluster.
True mileage will remain stored digitally in the cluster module.