Technical Tips > Post 84

C4 1990 Third Brake Light

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Vettech:
Well the reason for an 87 FSM is because thats in the garage, being worked on. This 90 is my daily driver, as I'm often left with no car.

But - when it ran, you could feel it go up, 1, 2, 3, 4, Lockup and the OD light came on, on the dash.
Only after temp was up, and over ~ 72kph, but it could lock in 3rd as well.

110Kph at ~1200 rpm - just ticking over. Great economy.

My 90 Sales brochures has a loverly colour glossy of the instruments all lit up with an "OD" light - just like the 87.
BUT! - nothing lites on the actual 90 dash, and from youtubes and mr "Batee" - I cannot see any such lite or cct.

I'm beginging to think the Sales Brochure is just a gimmick. I kinda like seeing that light, lets you know whats going on.
I suppose for some drivers, the less info the better.
But if nothing else, I'm really happy after fixing these couple of niggiling things, and importantly I've now repositioned ALDL Plug so I can get to it easily.

Sunday had a look at a nice 90, but it had no "Infl Rest" or "Red searbelt man" obvioulsy globes have been removed, most likely it has my problem I just fixed.
The issue for that owner now, you cant interogate the "SIR" computer since it flashes it's codes using the "INFL REST" light. Even though I have a OBD thingo reader, I have never been successful in using it.
Regards

Ausrs:
I feel the lock up in my 87,has never had a light
As for removing things,I removed the complete vats system from my 87 and the complete egr system from the memcal plus the lock up and temp that the fans come on at to make things a lot less complicated
I would suggest  1200 rpm at 110kph your converter is locked,If your cruise works find a slightly undulating country road and set cruise at 100,with mine you can actually feel the converter locking and unlocking
I have an old "auto xray" scanner that I have had for many years,it works,maybe one day you can try it..although I am in Newcastle 

Vettech:
Ummm. My 87 has every thing, all working, fans have additional thermostat, thats been put up on the LH side tophose to rad, adjustable.
I have on occassion tweeked it.

Currently working to fix heater matrix, oil cooler, piping. Hole in caseing for water needs re-threading. Etc etc etc

I have new A/C Accumulator, bought one to suit an early Commadore, (looks identical) has reversed fittings, makes for easy, neater re-piping. Once water done I can re-gas the A/C with the new gas I just used on the 90, Hi-Chill -30, works a treat.

And my wife says I do nothing at home........ 

Ausrs:
Always something to do on these cars
list of replacement parts over 7 years with this car has been an expensive journey but on the plus side it has been all over Tassie and all over Victoria and I drove it up from Melbourne to Tumut and when I moved back from the northern rivers of NSW I drove it 7 hours straight down to Raymond Terrace
I do keep things like relays and icm,s in the car whenever I travel though
I hated replacing the brake booster,it was the sh#ttiest job I have had to do so far
Need to find some local vettes !

Vettech:
Yes - you are right about that.

Just when I was feeiling great after fixing a few issues and getting new tyres, went out to put the kick panels etc back in place.

And the RH power window is not working, not a squeak, rattle or click of a relay.

My book is for 87, where the switches are on the centre console, LH side is Ok.

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