1988 928S4 Instrument Panel

My odometer has stopped working. Also, my gas gauge was intermittently working but would sometimes stick at FULL. No it is forever stuck at FULL.
Is it possible to repair the indivdual gauges? Or, do I need to replace the entire instrument panel?

Thank you.

Darrell

Darrell,

The odometer on my 1987 S4 just stop working. Gas gauge reads 3/4 full when I have a full tank.

Online research shows a few sites to buy replacement gears for odometer and instructions on how to DIY
Gas gauge seems to be somewhat elusive to fix.

My skill level is intermediate and wondering if it would be better to take the gauges out and send them for repair.

I am currently looking for a place in Canada to see what cost would be for a professional to repair.

How are you making out with your solution?

Mr Grinch

Well, not very well.
I just got the report from the repair shop.
They are saying the sending unit in the gas tank needs to be replaced at a total cost of $1700, with the part costing ~$900.
Seems very high to me as I can get as I believe I can get a fuel level sensing unit for around $600.
Also, the car is idling terrible and they are suggesting I flush the entire fuel system as old/stale fuel could be the cause. Also, they are saying they need to remove the sending unit to adequate flush the tank and all fuel components.
Any advice?
I will shop around on the parts/repair. This is the first time using a new euro-car repair center which has excellent reviews/ratings.

Thanks!

Depending on your location, other repair shops may be available. If you post where you are, maybe someone will be able to make an alternative recommendation?

As fas as the gauges in the instrument panel go, the instrument cluster CAN be removed relatively simply if you'll search on the Rennlist 928 forum (or maybe even Google) for 928 "15 minute dash pod removal" (or something along those lines).

As an example, I had an intermittent guage reading on my '90, and cleared it up by disassembling the cluster, cleaning, and resoldering some of the connection points where the individual guages connect to the circuit board/traces. Meaning, that it may not be the sending unit or the guage causing your issue, but simply a bad connection.

Either way, never hurts to get a second opinion, even when there are "experts" with good ratings involved. After all, those good reviews/ratings could have been coming from friends, family, business acquaintances, etc. It happens.

I agree with the suggestion to get a second opinion, but I am more an advocate for you to do the maintenance yourself as you'll find the ownership experience much more enjoyable.

I'll provide a diagnostic for you that will require little labor or tools on your part, but you will need a multimeter and a limited knowledge of how to use it.

Let me know if I can be of service.

Sounds like a relaxing winter project.

I will take you up on your offer. Once I get the instrument panel I will contact you for advice.

Thank you!

Regards,

Mr Grinch