Technical Tips > Post 84

C4 1987 Throttle Body Coolant Bypass

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Vettech:
Well it looks like I waited all day for the Bender - maybe Monday.

Also was waiting for a new antenna Diplexer, but allas no TV till most likely Tuesday.

I cant watch Foxtel in the Queens room, that leaves Netflix, Stan or Bob or something, all old rubbish.

I wonder if there something else on the car needs fixing ?!?!...

Vettech:
Well today I visited the "Oracle @ the Wilton Black Hole"

Its amazing how you can see a fix but another person see's a different fix.

After discussions, other ideas supporting ways to fix my heater hosing, routes, tubes etc appeared.

Maybe over the weekend I'll be able to put the Oracle's ideas to use.

Also was thinking of a new project for the Oracle, converting a 5/8" bender into a 1/2" bender....... ummmm.

Vettech:
Well its all back together except for the upper Alternator bracket - had one organised but it fell threw. Searching

Oil is in, no leaks. Water is in, no leaks, yes water for now - as I intend to give it a couple of fill, run, flush cycles. Maybe try the crushed dish washer tablet cycle I saw on a UK web site.

No AC at this point, I have a new Accumulator (VB Comodore SLE) type, why, because it has reversed fittings and since I need to get some new hose/pipe sections made to accomodate the Left/right conversion, the hoses etc will be direct straight forward (easy) making the setup neat & clean, and of course it will he "High Chill -30" type refrigerant.

A tip - used or second hand aluminium A/C hose fittings can be re-used - carefully cut the crimp off, it can be refitted with new ferrel crimp, onto new A/C hoses. Or if you get onto a good AC chappie, he could make new Alli pipes to measure, these are neat and tidy and more compact than the much larger Rubber style hoses. (I saw a late nite show - a guy in Qld making AC lines, bending etc and welding, which I think is more of a Silver type solder, good looking job though).

The cars so ready I decided to kick her over on Friday, but no start, no fuel, cant hear pump running, now I just want to burn it, what next can possibly go wrong.

Vettech:
Well the fuel pump cct is a bit convoluted, and goes from engine (relay) back thru firewall thru an array of connectors before heading off to the pump in the tank. (Keep in mind that on C4's once started the fuel pumps power is supplied by the Oil Press Switch as a fail safe in the event of loss of engine oil pressure.)

Found Relay - it fell apart in my hands, after a clean and test lamp & metre on the bench even as a mess it worked. Thank God for Silastic and black cable ties.
Wires go back into car thru a 15way interconnect ..... which because the dash is still apart was disconnected, re-plugged, hit the key and I got wonderfull smell of fresh petroleum in the morning. Re-fit fuel lines, pressurized the rail and she burst into life. OMG it goes.

Now to get that Alt top bracket, AIR pulley on, belt on, then off to get a pink slip for Rego (MOT), may even put it on H'plates after all it is 30 odd years old. I should be running on double plus ++ H'plates

Vettech:
Small update.
As of today the engine is all back together, starts, runs but now needs TPS adjusted.
It amazing how many tiny specs of grease or oil you can drip onto manifolds etc, anyway after the smoke cleared it ran well.
Whilst the A/C comp is on, it needs to come  off very soon for a rebuild, new hoses/lines made to order, gassed with HiChill -30 and she's a fully working rocket sled. The most important thing now is the due pink slip, thence maybe onto H Plates.
What started as a blown heater matrix has led to a massive overhaul of many and varied parts and systems.
Some repairs were required after trying to get other faulty parts out, these in some cases just crumbled in your hands its no wonder that a lot of mechanics won't touch old cars, owners quite often can not understand the extra parts and labour costs.

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