Author Topic: ...and for my next trick  (Read 326 times)

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Offline Raffles

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...and for my next trick
« on: February 04, 2018, 16:35:02 PM »
Now that the 8v is nicely settled into regular use and performing well, it must be time for me to do something stupid.

I did.

Saw a 16v advertised that had "issues" and I thought was worth a punt. After a few tense days, I have got it home and have been assessing it. I reckon it will be OK although my team of reluctant experts don't share my optimism.

When I picked it up, it struggled to run at all. It was missing a section of the air intake and also the air injection hose was split wide open. I have sorted both of those and ran it up today. Tappets are very noisy and the whole engine is in a bit of a state to be honest. Current fault codes are 13, 15, 21, 56, 71 and, of course, 92.

Bodywork and paint are excellent but there are signs of neglect and abuse all over this thing. The elephants trunk was blocked solid and the pollen filter looks like the one that came when it was new. You get the idea...

I still believe it was worth saving! Time will tell.

Offline sealeysonic

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Re: ...and for my next trick
« Reply #1 on: February 04, 2018, 19:55:13 PM »
Stay strong mate lol were  here to help

Offline Raffles

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Re: ...and for my next trick
« Reply #2 on: February 04, 2018, 20:39:30 PM »
Haha! Cheers.

I feel slightly less alone now.  :D

That said, this is the last time I go buying cars without looking at them.  ::)

Offline Raffles

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Re: ...and for my next trick
« Reply #3 on: February 13, 2018, 19:51:40 PM »
Small update:

I have replaced the air intake and rad fan from my limited stock of spares. I have also managed to get hold of the hose for the air injection system and fitted that so, in theory, it should be air tight now. The plugs are oily as hell - I don't think the cam cover gasket is doing much these days.

I have run it up a couple of times and underneath the ridiculous tappet noise, it sounds quite tight and smooth. The compression test results were (L-R) 14/14/16/15 bar.

Next jobs for the engine are:

Head off and replace it with the one that came off my Cavalier (known good)
New head gasket (suspect this has affected the first two compression test results)
New timing belt and tensioners/rollers
Try and sort out the wiring as four of the fault codes are for high voltage and to be honest, it is all over the place
Sump off to look for any blockages.

The tailgate has an issue too. The central bolt that holds the spoiler on has been letting in water for years by the looks of it. The spoiler will need to come off and may be a bit of steel welded in. The inside of the tailgate around this bolt is veeeeerrryyyy rusty.

Offline Raffles

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Re: ...and for my next trick
« Reply #4 on: February 14, 2018, 20:28:07 PM »
Even smaller update:

Changed the pollen filter today - always nice to start and finish a simple job. It feels like progress despite being nothing like it.

Anyway, I ran it up and left it running for a bit. At the point when it tries to drop the idle speed, it slowly, and gently slows to a stall. I dug out a spare IAC valve and fitted it, mullering the gasket in the process.

The old one was pretty much caked with cruddy oily mess, as is the throttle valve. Reckon that will have to come off as well.

Anyway, I have been pondering these fault codes:

13 - Oxygen Sensor (Open circuit)
15 - Coolant Temp Sensor (High Voltage)
21 - Throttle Position Sensor (High Voltage)
56 - Idle Air Control (High Voltage)
71 - Air Intake Temp Sensor - (High Voltage)
92 - Camshaft Sensor (Wrong signal)

The initial thought was that the loom might be disconnected somewhere. I had a poke around today and couldn't find anyuthing amiss. The only one that stuck out was the wiring to the air flow meter. The outer casing has been split/cut and there are a couple of strands hanging out. Everything else is plugged in.

Anything else I should be considering?