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Woody
V4 Guru

United Kingdom
2379 Posts

Posted - 22 Jan 2013 :  23:05:13 Show Profile Reply with Quote
" Did anyone spot the difference? "

Well I wasn't being very observant. I missed that.

Now that heater housing looks too cool. Sure HG Wells hasn't been by and flashed you back to a 1974 parts dept?
Had you thought of spraying the plastic air scoop too so it matches?

I cleaned and put back the casing screws, but found some chromed pozis for the fan motor plate.

Edited by - Woody on 22 Jan 2013 23:09:03
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john-saab
Administrator

United Kingdom
2650 Posts

Posted - 27 Jan 2013 :  17:07:07 Show Profile Reply with Quote
Posting this as a guide..if you have never removed an air box before I hope this helps..
Having a box ready to go made the swap over a quick process. I fitted it in over a few evenings..just 1 hr a night over 3 nights..with cleaning and other jobs a little longer than needed. I guess the whole job could be done in 1 1/2 hrs if you are organised.
In future I will do it a different way..removing the plastic funnel took up time..it can be removed with the back part of the airbox.
1st few jobs..remove the battery, disconnect the rod inbetween the airbox and carburettor. Take note of the 3 wires to the fan motor and pull them off..undo the small screws holding the fan motor and withdraw it fron the air box.
I removed the cone 1st as I had some repair work to do in that area.

With the 4 screws holding the control valve box (lower front) removed you can pull the box forward a little...you can't remove it at the moment as there is a pipe wrapped around the back part of the box..well it should be but someone cut corners on this car..an old pipe was found and the new pipe had just been stuffed into the box..

Inside of the car..pull the carpets back and remove the lower plastic coated fiber boards..normally there are a few plastic plugs holding it in place..mine have been snapped off in the past. The lower board can be removed from the car.
This gives you access to the 4 nuts holding the air box in place..the lower nut has been removed in this picture.

Remove bleed screw in the side of the airbox (or at the rear in earlier cars) then the small screws around the front of the airbox and pull the front 1/2 away..it's normally held in place with double sided foam tape and can put up resistance. This section holds the heater matrix..be careful not to damage it...don't try and lift it out until the thermostat pipe has been unwound from the 2 tabs on the back part.
With the cover removed i found 1/2 of a garden in there...every time i started my heater i would get small pieces of leaf come through the vents..this explains why..it also explains why the heating on this car has never been as powerful as other V4s I have owned.

You will be left with the rear section still in place...

Back inside of the car time to remove the top 2 nuts, take the air pipes that feed the windscreen heater out ..be careful as they can get weak with time and split..they pull off with little effort. remove the securing plugs that hold the top card under the dash..unless it has been torn out or rotted out you won't be able to totally remove it..just gently hold it out of the way enough to get access to the top nut on the passengers side..this is reasonably easy to get to..you can see it in place in this pic.

The drivers side nut is a lot more difficult to get to but with a long extension and good light you don't have to remove the card on this side..

That's it..pull the back part away and as they say..fitting is the reverse process.

I used the double sided foam tape used to hold numberplates on to seal the box back together..Maplins had it in 4 different sizes (Twice as much as my local motorfactors but at half the price)..i used the thinnest and the next size up..the thin to hold the box together and the wider to seal the lower parts of the box to the body..SAAB used one piece of foam but mine had fallen to bits.
All done..
From this..

To this..



The clean matrix really pumps the heat out now...without leaf litter.
Only down side is that it makes everything else look scruffier than it did before so out with the polish and paint!

'72 95 (The Flying Banana),'72 96(Bridget),'73 96 (Vernon),'74 95 (Veronica)

Edited by - john-saab on 27 Jan 2013 17:22:26
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melle
V4 Guru

United Kingdom
2283 Posts

Posted - 27 Jan 2013 :  17:26:46 Show Profile Visit melle's Homepage Reply with Quote
Looking smart!

1970 96V4 "The Devil's Own V4"
1977 95V4 van conversion project
1988 900i 8V
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ianh
V4 Fanatic

United Kingdom
227 Posts

Posted - 27 Jan 2013 :  17:32:25 Show Profile Reply with Quote
Hi John I also sprayed waxoil into the space behind the heater box on my first 96 but didn't keep a check on the drain holes. I expect I overdid the wax and ended up with crud sticking to the wax blocking the drains. I didn't notice until the paint started to bubble.
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john-saab
Administrator

United Kingdom
2650 Posts

Posted - 27 Jan 2013 :  17:47:12 Show Profile Reply with Quote
I was worried that the drain holes would get blocked so stuffed a few off cuts of rubber up the drain holes then removed them when the Waxoil had hardened..i expect (hoping) on a hot summers day the wax will melt a little and make it's way down the areas the rubber was covering.
I didn't go silly with it..just a bit along the lower edge applied with a brush.

'72 95 (The Flying Banana),'72 96(Bridget),'73 96 (Vernon),'74 95 (Veronica)

Edited by - john-saab on 27 Jan 2013 18:00:07
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72sonett3
V4 Fanatic

Spain
203 Posts

Posted - 27 Jan 2013 :  17:47:58 Show Profile Reply with Quote
quote:
...Don't mess about just get new screws.
Why not have the old ones cadmium or zinc plated?

--
'72 97
'77 96L conv.
'79 96GL
'91 900i 2.1
'95 900SE conv.
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john-saab
Administrator

United Kingdom
2650 Posts

Posted - 27 Jan 2013 :  18:02:38 Show Profile Reply with Quote
In the end I picked the best screws from 4 different air boxes..they only needed a clean. The screws that were shot blasted have had a coat of chrome effect spray..it looked wrong so they are in the "spares box"

'72 95 (The Flying Banana),'72 96(Bridget),'73 96 (Vernon),'74 95 (Veronica)
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hillbilly
V4 Fanatic

United Kingdom
225 Posts

Posted - 27 Jan 2013 :  18:46:19 Show Profile Reply with Quote
Nice job.
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x96
V4 Fanatic

France
238 Posts

Posted - 02 Feb 2013 :  22:47:10 Show Profile Visit x96's Homepage Reply with Quote
Very nice job and helpful, did you change or repair the heater valve?.
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john-saab
Administrator

United Kingdom
2650 Posts

Posted - 03 Feb 2013 :  07:43:59 Show Profile Reply with Quote
On inspection the heater valve had been replaced at some time (hence the cut off wire and the new one just stuffed in rather than fitted properly) so was in great condition. I'm expecting that the heater in my latest project will need doing though.
I'm in talks with a manufacturer to get more heater valve seals made..it's a slow process.

'72 95 (The Flying Banana),'72 96(Bridget),'73 96 (Vernon),'74 95 (Veronica)
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x96
V4 Fanatic

France
238 Posts

Posted - 03 Feb 2013 :  15:12:12 Show Profile Visit x96's Homepage Reply with Quote
But for what I've red in another post, repair the heater valve, specially open it, is a pain.
I will follow you as I have to repair the heater valve and paint the heater box.
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john-saab
Administrator

United Kingdom
2650 Posts

Posted - 17 May 2013 :  17:04:03 Show Profile Reply with Quote
MOT time and she passed with flying coloures..no advisories and the usual "cor she's clean underneath"


'72 95 (The Flying Banana),'72 96(Bridget),'73 96 (Vernon),'74 95 (Veronica)
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hillbilly
V4 Fanatic

United Kingdom
225 Posts

Posted - 18 May 2013 :  08:36:03 Show Profile Reply with Quote
.no advisories and the usual "cor she's clean underneath"


And on top........ Lovely car well done.


'72 95 (The Flying Banana),'72 96(Bridget),'73 96 (Vernon),'74 95 (Veronica)
[/quote]
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James Ranaldi
V4 Guru

United Kingdom
1357 Posts

Posted - 18 May 2013 :  10:33:36 Show Profile Reply with Quote
Well done. . . .enjoy the summer . . . ..

1968 V4, LHD
1984 99 GL
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john-saab
Administrator

United Kingdom
2650 Posts

Posted - 01 Apr 2014 :  21:11:04 Show Profile Reply with Quote
Veronica didn't see much action last year and with the MOT date a few months away I have started to use her again.
Back in Worthing people were used to seeing her but in our new Dorset home she's getting a bit mote attention. I had people stop me at the petrol station, tourists taking pictures on the beach today and the guy next door now wants a V4.
Not much to do on her at the moment but I will get onto a few rust bubbles this summer and with several other roadworthy cars I may have a look into getting a decent respray.

'72 95 (The Flying Banana),'72 96(Bridget),'72 96 (green one)'73 96 (Vernon),'74 95 (Veronica)
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