Help me recommission my T25 please.

Big lumps of metals and spanners.

Moderators: User administrators, Moderators

User avatar
sarran1955
Registered user
Posts: 1470
Joined: 11 Mar 2009, 18:51
80-90 Mem No: 6754
Location: 6, les Hauts de Sarran 19800, Sarran ,Limousin ,FRANCE

Re: Help me recommission my T25 please.

Post by sarran1955 »

Hello,

You need to test the solenoid, Cylindrical bit on top of s-motor, with electrical tags.

Cordialement,

:ok
Image

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

Bonjour!

I did earth the starter and then touched 12v onto the solenoid and the starter threw the bendix out okay.

User avatar
sarran1955
Registered user
Posts: 1470
Joined: 11 Mar 2009, 18:51
80-90 Mem No: 6754
Location: 6, les Hauts de Sarran 19800, Sarran ,Limousin ,FRANCE

Re: Help me recommission my T25 please.

Post by sarran1955 »

Hello,

So that's the big black wire (from the main battery) and at least 1 red wire going to the 13 mm nut shaft on the solenoid . On the other side of the plastic divider is the spade terminal with 1 wire. All bright and clean and shiny please. :roll:

Now look at the earth return, battery terminal strap fixing to body, gearbox earth strap. Condition as above :wink:

Do you have acces to /can use an AVO meter :?:

Cordialement,

:ok
Image

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

Hello.

I did clean up all the terminals and connectors with steel wool and then added copperslip grease when fitting them. I hope to get underneath it again tonight and will check the gearbox earth as I'm not sure about that one? I did seem to be hearing a click coming from behind the drivers seat somewhere so maybe have an earth point that needs looking at there?

I do have a digital multimeter.

Thanks

User avatar
sarran1955
Registered user
Posts: 1470
Joined: 11 Mar 2009, 18:51
80-90 Mem No: 6754
Location: 6, les Hauts de Sarran 19800, Sarran ,Limousin ,FRANCE

Re: Help me recommission my T25 please.

Post by sarran1955 »

Hello,


click from battery area is perhaps poor connection, bright and shiny everywhere please

No copper, or any other grease on battery terminals.

Cordialement,

:ok
Image

User avatar
dugcati
Registered user
Posts: 2004
Joined: 15 Aug 2007, 18:23
80-90 Mem No: 3825
Location: Debris
Contact:

Re: Help me recommission my T25 please.

Post by dugcati »

Taipan wrote:Hello.

I did clean up all the terminals and connectors with steel wool and then added copperslip grease when fitting them. I hope to get underneath it again tonight and will check the gearbox earth as I'm not sure about that one? I did seem to be hearing a click coming from behind the drivers seat somewhere so maybe have an earth point that needs looking at there?

I do have a digital multimeter.

Thanks


Clicking sound from behind the drivers seat will most likely be the relay for the fridge or the split charging system if it has 2 batteries. try and find it then unplug it - if it has wiring issues it will cause more problems whilst you bottom out the starter motor problem, look in the wiki for basic carb settings:-
https://club8090.co.uk/wiki/Ca ... ultfinding

Doug :ok
It is by will alone that I set my 'van' in motion!

billybigspud
Registered user
Posts: 635
Joined: 11 Mar 2011, 15:59
80-90 Mem No: 9454
Location: southampton

Re: Help me recommission my T25 please.

Post by billybigspud »

is the battery you are using ok? you can have 12v but if the electrolite is knackered then it will not start. physically put another battery in the bus and try it. you could also try rocking it in gear to put things into a different position.

jamie

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

dugcati wrote:

Clicking sound from behind the drivers seat will most likely be the relay for the fridge or the split charging system if it has 2 batteries. try and find it then unplug it - if it has wiring issues it will cause more problems whilst you bottom out the starter motor problem, look in the wiki for basic carb settings:-
https://club8090.co.uk/wiki/Ca ... ultfinding

Doug :ok

Yes it does have 2 batteries and a split charging system. Will hunt it out later. Thanks.

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

billybigspud wrote:is the battery you are using ok? you can have 12v but if the electrolite is knackered then it will not start. physically put another battery in the bus and try it. you could also try rocking it in gear to put things into a different position.

jamie
One of the two (non leisure) batteries is dead and the other holds a charge. But I have been hooking the starter battery direct to a 2 litre diesel engine and trying to jump it.

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

Hi All
Having yet another look at this now as I didn't get anywhere last time and gave up again due to other commitments. Guy from Elite VW told me to check the gearbox earth? I don't recall seeing one of them so will have a look later on. In case its missing, should this earth wire be attached to certain points on the gearbox and chassis, or can I just run one from where ever is convenient, if you see what I mean?
Thanks

User avatar
CovKid
Trader
Posts: 8411
Joined: 30 Apr 2006, 13:19
80-90 Mem No: 3529
Location: Ralph - Coventry (Retired)
Contact:

Re: Help me recommission my T25 please.

Post by CovKid »

You'll find it at nose end of gearbox. Connection speaks for itself.
Roller paint your camper at home: http://roller.epizy.com/55554/" onclick="window.open(this.href);return false; for MP4 download.

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

Well gearbox earth is okay. Disconnected the big relay that connects the two batteries but still nothing on the key other than a dimming of the interior light?

Took all the plugs out so it could spin over if it would respond to the key. Whilst I had them out I put it in gear and moved it forwards and backwards and the engine turns over fine and definitely isn't seized etc.

So this Saturday (weather permitting) I'm going to allocate some time to getting this thing to fire up. Anything you can advise or would do yourself would be greatly appreciated. :)

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

Given up on the van again. :roll: I cant seem to get it to turn over at all? Cant even tow it to Elite VW who are just up the road to me, but have now found a local specialist, Richard Morena http://www.morena.co.uk/" onclick="window.open(this.href);return false; who is going to come and have a look at it for me. :D Wonder if it'll finally run after all these years!

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

It lives! Set the static timing, fitted a new battery and fired it up and she went straight away! Carbs are all over the place so I'm going to strip them and clean/rebuild them to factory settings. Then see how it runs. if the engine runs and pulls well enough we'll stick though an MOT! :D

Does anyone know the url for the website that had illustrated solex carb rebuild instructions on?

User avatar
Taipan
Registered user
Posts: 37
Joined: 02 Aug 2007, 22:16
80-90 Mem No: 4283
Location: Basildon, Essex

Re: Help me recommission my T25 please.

Post by Taipan »

For the benefit of the archives this is the page I was referring to. http://www.vw-resource.com/carb.html" onclick="window.open(this.href);return false;

Locked