T25 Alternative Engine Forum

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Most liked posts	Author	Posted	Liked	Forum
EJ20 Engine Overheating - Solutions?	Basilakios	23 May 2026, 11:54	2 times this week	T25 Alternative Engine Forum
Coolant issues	silverbullet	05 May 2026, 17:27	Once this week	T25 Alternative Engine Forum

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Last post

AHU with stock gearbox

Last post by airhead « 27 Jan 2020, 13:13
Replies: 3
by airhead » 26 Jan 2020, 19:46

Hi folks. My AAZ has had its last adventure in the camper and has essentially past the point where I feel I can trust it to not let us down in...

3 Replies

4080 Views

Last post by airhead
27 Jan 2020, 13:13
Diesel knock

Last post by clone123 « 25 Jan 2020, 21:20
Replies: 5
by clone123 » 06 Dec 2019, 23:52

Hi help needed ever since I did my conversion from a 1.6 JX to a 1.9T 1y engine I have always had a diesel knock and I'm just wondering if anyone can...

5 Replies

3883 Views

Last post by clone123
25 Jan 2020, 21:20
Engine number

Last post by clone123 « 25 Jan 2020, 16:27
Replies: 4
by DanT » 04 Jan 2020, 13:23

Hi all,

Trying to find the engine number, but struggling. Have found the previous owner didn’t inform DVLA of engine change so V5C is incorrect and...

4 Replies

2905 Views

Last post by clone123
25 Jan 2020, 16:27
GoWesty wbx2.3 project

Last post by silverbullet « 18 Jan 2020, 08:47
Replies: 6
by silverbullet » 31 Dec 2019, 12:42

I have one of these coming in as a nothing to lose so why not engine, its leaky and down on compression iirc, not actually landed yet as TNT...

6 Replies

3760 Views

Last post by silverbullet
18 Jan 2020, 08:47
How much oil?

Last post by Bobreoc « 15 Jan 2020, 15:04
Replies: 3
by Bobreoc » 14 Jan 2020, 14:13

Might seem like a daft question.

I have a van with a 1z conversion, I’ve been made aware the dipstick hasent been modified so I’m due and oil...

3 Replies

2144 Views

Last post by Bobreoc
15 Jan 2020, 15:04
Which way to go ??

Last post by Campercrazy « 15 Jan 2020, 13:07
Replies: 7
by Campercrazy » 23 Dec 2019, 12:17

So....

In the pre-Christmas shopping pandemonium after about 15 years of pondering I finally did it and bought my 1st T25 / T3!
I know this thing is...

7 Replies

4223 Views

Last post by Campercrazy
15 Jan 2020, 13:07
Fumes in cabin 1.9TDI

Last post by Al3x147 « 25 Dec 2019, 19:36
Replies: 2
by Al3x147 » 23 Dec 2019, 10:51

Hi, my dad has recently bought a 1988 multi van which has a 1.9TDI engine conversion (AFN from a Passat). When the heater in the cabin is on and you...

2 Replies

2053 Views

Last post by Al3x147
25 Dec 2019, 19:36
Cooling question: petrol vs diesel

Last post by davidoft1 « 23 Dec 2019, 23:58
Replies: 3
by silverbullet » 20 Dec 2019, 08:14

Is it possible to fit the later diesel radiator fan & shroud (350mm iirc) to a petrol bodyshell, which has a 305mm fan?
I have a feeling that the td...

3 Replies

2148 Views

Last post by davidoft1
23 Dec 2019, 23:58
Agg gti conversion, what airbox are you using?

Last post by axeman « 21 Dec 2019, 21:11
Replies: 9
by Cyrus » 13 Apr 2014, 19:40

There seems to be a few people converting to agg or gti engines at the moment.
What air boxes are everyone using?
Garyd's bible uses a 206 one but...

9 Replies

7158 Views

Last post by axeman
21 Dec 2019, 21:11
rev counter on new engine install not working

Last post by Aidan « 27 Nov 2019, 18:35
Replies: 2
by tdm2 » 26 Nov 2019, 15:59

I have a 1987 T25 1.6 TD I have now replaced the engine with a AFN engine from a Audi 4 1.9 TD , but the rev counter is not working. its some think...

2 Replies

2439 Views

Last post by Aidan
27 Nov 2019, 18:35
Subaru flood water

Last post by slowcoach « 25 Nov 2019, 19:43
Replies: 13
by jaber » 17 Nov 2019, 17:00

Oh dear, my lovely Subaru gl caravelle got flooded last weekend, water was about 9 inch inside submerging transponder, immobiliser and 2/3rds up the...

13 Replies

7118 Views

Last post by slowcoach
25 Nov 2019, 19:43
In line fuel injection pump

Last post by Aidan « 17 Nov 2019, 13:31
Replies: 60
by mshaw1980 » 26 Oct 2019, 15:25
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Wondering if someone can help, well begging on my subaru ej20 n/a converted van:-(

In the time my van has been on the road, approx 2000 miles I am...
60 Replies

29125 Views

Last post by Aidan
17 Nov 2019, 13:31
AGG engine number

Last post by rollercoaster « 04 Nov 2019, 18:05
Replies: 2
by rollercoaster » 04 Nov 2019, 15:10

Hoping I might get some help, I have to change my V5.
Best I can see the engine number on my AGG is 02G98 or 02698
does this make sense? which is the...

2 Replies

2257 Views

Last post by rollercoaster
04 Nov 2019, 18:05
Glow Plug Light....

Last post by steveo9007 « 19 Oct 2019, 17:33
Replies: 14
by sundial » 18 Jan 2012, 20:48

hi

I guess its simple but..

I have just replaced all my water pipes etc on my AAZ diesel...

Why...does my 'glow plug light' know take ages to go...

14 Replies

13027 Views

Last post by steveo9007
19 Oct 2019, 17:33
agg flywheel and clutch question

Last post by Simon Baxter « 13 Oct 2019, 21:23
Replies: 4
by axeman » 29 Sep 2019, 18:01

hi all
so i am not trying to re envent the wheel but i have a question to but out there, having completed a agg conversion on a 2wd westy and used...

4 Replies

2903 Views

Last post by Simon Baxter
13 Oct 2019, 21:23
Engine bracket

Last post by JimmysBob « 07 Oct 2019, 06:56
Replies: 2
by mcstockerg » 06 Oct 2019, 08:27

Hello everyone! I’d be very grateful if anyone could advise me at to where I could find the rectangular shaped bracket that sits below the engine on...

2 Replies

2168 Views

Last post by JimmysBob
07 Oct 2019, 06:56
Quick starter motor removal question

Last post by damongrounsell « 04 Oct 2019, 10:05
Replies: 2
by damongrounsell » 03 Oct 2019, 18:37

Hi all
I'm removing my starter motor to get the gear box changed, its a 1.9 diesel AAZ and a 5 speed 3h box,
I've undone the two bolts holding on the...

2 Replies

1856 Views

Last post by damongrounsell
04 Oct 2019, 10:05
1.9 AFN TDI silly question

Last post by JimmysBob « 02 Oct 2019, 19:34
Replies: 14
by JimmysBob » 10 Sep 2019, 14:49

Hello sorry if this has been covered before but i want to ask the groups collective knowledge

so the plan is to spend the next 12 months collecting...

14 Replies

13724 Views

Last post by JimmysBob
02 Oct 2019, 19:34
Conversion questions

Last post by ajsimmo « 27 Sep 2019, 21:29
Replies: 2
by Davegrohl99 » 26 Sep 2019, 10:07

Hi,

I have a 1981 Westy 2.0 CU engine (Aircooled).
I have been toying with the idea of converting my original engine to LPG. But in the back if my...

2 Replies

1868 Views

Last post by ajsimmo
27 Sep 2019, 21:29
CAN bus Subaru Conversion video diary

Last post by eddbmxdude « 27 Sep 2019, 21:24
Replies: 37
by eddbmxdude » 26 Oct 2018, 08:45
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Hi everyone,

My brother and I are converting our van to Subaru power using a CAN bus EJ25 from a 2004 Legacy. We thought we'd make a video diary...
37 Replies

19312 Views

Last post by eddbmxdude
27 Sep 2019, 21:24
Mixing anti freeze moment of madness

Last post by bigherb « 26 Sep 2019, 12:52
Replies: 7
by Michael4 » 25 Sep 2019, 09:23

Our son has poured the remains of a bottle (poss 2 pints?) of blue anti freeze into his Subaru Legacy which had pink stuff in it. The blue stuff was...

7 Replies

3349 Views

Last post by bigherb
26 Sep 2019, 12:52
engine revs up and down on idle...

Last post by maxstu « 17 Sep 2019, 21:02
Replies: 3
by vwrickshaw » 08 Sep 2019, 10:25

Hi, when i start my t25 in the morning the engine revs up and down...it does not settle even when warm..i ahve a 2.1 w/c engine...has anyone got any...

3 Replies

2122 Views

Last post by maxstu
17 Sep 2019, 21:02
Where to get EJ25

Last post by ViktorK « 14 Sep 2019, 15:37
Replies: 3
by ViktorK » 10 Sep 2019, 21:18

Hi,

Can you recommend me where to get an EJ25?

I almost finished a conversion from WBX to EJ25 on my Syncro. Unfortunately it was not in tip top...

3 Replies

2259 Views

Last post by ViktorK
14 Sep 2019, 15:37
wbx subaru conversion

Last post by ViktorK « 14 Sep 2019, 15:35
Replies: 13
by jan » 13 Jun 2019, 19:40

Hi all, I,m looking for advise on getting my van converted to Subaru. Your thoughts on up to date garages/mechanics that are known for quality...

13 Replies

8555 Views

Last post by ViktorK
14 Sep 2019, 15:35
AAZ oil cooler pipe size.

Last post by davegeezzer008 « 18 Aug 2019, 00:25
Replies: 2
by davegeezzer008 » 30 Jul 2019, 21:32

Hi guys I’m in the process of ordering a oil cooler and sandwich plate for my AAZ what size pipe is everyone using ?
Brickwerks say there kit comes...

2 Replies

1880 Views

Last post by davegeezzer008
18 Aug 2019, 00:25
Heater matrix clean through

Last post by sooper8 « 17 Aug 2019, 20:47
Replies: 4
by sooper8 » 16 Aug 2019, 08:35

Hi,
Got an '86 T25 AAZ diesel home-brew Transporter.
Had on-going issues with coolant system since a hose burst a few months back, and a pretty big...

4 Replies

4041 Views

Last post by sooper8
17 Aug 2019, 20:47
urgent help needed 1.9 AFN engine (similar to 1Z, AHU, 1Y)

Last post by lloydy « 14 Aug 2019, 14:08
Replies: 4
by 937carrera » 13 Aug 2019, 17:55

Stopped for a poorly T25 near Helmsley

Looks like it has skipped on the cambelt

Can anyone direct to instructions to set the timing

Assume...

4 Replies

3242 Views

Last post by lloydy
14 Aug 2019, 14:08
1Y exhaust manifold

Last post by ap1930 « 13 Aug 2019, 18:51

by ap1930 » 13 Aug 2019, 18:51

Hi.
I'm new to this forum.
I have a 1988 1.6TD T25 campervan which has been fitted with a 1.9 1Y diesel engine from a golf. Whoever did the...

0 Replies

1731 Views

Last post by ap1930
13 Aug 2019, 18:51
TDi AFN w flipped Passat box; CV issues

Last post by toomanytoys « 09 Aug 2019, 18:58
Replies: 1
by Palscan » 20 Jul 2019, 13:45

Hi all,
Had a TDi AFN installed with Tim Shettle’s flipped Passat box adapter plate some time last year. I was told at the time that due to the...

1 Replies

2758 Views

Last post by toomanytoys
09 Aug 2019, 18:58
Coolant issue

Last post by Mocki « 09 Aug 2019, 15:35
Replies: 5
by lkjamieson » 08 Aug 2019, 19:55

Hi all,

I wonder if you could help shed some light on a problem I'm having with my 1.9 TD. On its first journey it overheated and blew the coolant...

5 Replies

3176 Views

Last post by Mocki
09 Aug 2019, 15:35
Subaru ej20 fuel pump relay

Last post by Dazco « 02 Aug 2019, 20:32
Replies: 4
by Dazco » 21 Jul 2019, 14:45

First off , apologies for not being on for a long time, not been using the van much this year at all.
Van has been laid up for a while following my...

4 Replies

2373 Views

Last post by Dazco
02 Aug 2019, 20:32
Can't get my Subaru swap to fire up! Help please

Last post by Dazco « 22 Jul 2019, 06:15
Replies: 7
by TeflonTim » 29 May 2019, 12:29

Hello

I have fitted a EJ20 from 1997 Impreza 2.0 non turbo into my 1988 T3 Panel (Originally fitted with 2.1DJ)
The Loom was converted by RJES as...

7 Replies

3123 Views

Last post by Dazco
22 Jul 2019, 06:15
subaru engine for t25

Last post by slowcoach « 21 Jul 2019, 11:24
Replies: 1
by Jeff J » 21 Jul 2019, 09:58

onclick= window.open(this.href);return false; Think this would be ok for a camper? :)

1 Replies

1433 Views

Last post by slowcoach
21 Jul 2019, 11:24
Mechanic/garage to give some love to a T3

Last post by sooper8 « 29 Jun 2019, 15:48

by sooper8 » 29 Jun 2019, 15:48

Hi all - does anyone know, and could recommenced, a good mechanic on a T3 Transporter with a 1.9 TD diesel engine?
I have had a few issues over the...

0 Replies

1792 Views

Last post by sooper8
29 Jun 2019, 15:48
Big Bang Theory: Oettinger 2500E rebuild

Last post by silverbullet « 26 Jun 2019, 12:39
Replies: 100
by silverbullet » 31 Oct 2014, 21:09
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A while back, my search for an 82mm crank to go with some 98mm pistons and barrels resulted in the unearthing of a genuine Oetti 2500 wbx sat in a...
100 Replies

58446 Views

Last post by silverbullet
26 Jun 2019, 12:39
AFN Tdi DMF starter adapter.... horrible noise from starter?

Last post by spanishfly « 24 Jun 2019, 20:36
Replies: 1
by spanishfly » 20 Jun 2019, 20:42

Another day another head scratcher...
DMF fitted
Rebuilt gearbox in..
starter adapter in checked both ways up only fits one of them.
starter VW...

1 Replies

1598 Views

Last post by spanishfly
24 Jun 2019, 20:36
Hydraulic engine mounts ?

Last post by Mr Bean « 21 Jun 2019, 17:20
Replies: 5
by glennada » 16 Feb 2019, 13:04

Hello everyone,
I've just replaced my engine mounts and the vibration is now reminding me of bus journeys in the 70s, you know when stopped the...

5 Replies

2885 Views

Last post by Mr Bean
21 Jun 2019, 17:20
Which way round do the coolant hoses go ??

Last post by davegeezzer008 « 04 Jun 2019, 08:44
Replies: 4
by davegeezzer008 » 02 Jun 2019, 20:30

Hi can anyone please tell me which way round the coolant hoses go on a aaz , does the water pump go to the bottom hose or top hose ?? Many thanks Dave

4 Replies

2176 Views

Last post by davegeezzer008
04 Jun 2019, 08:44
vw lupo diagnostic scanner

Last post by 937carrera « 25 May 2019, 09:15
Replies: 21
by dave lfc » 05 May 2019, 14:21
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hi everyone my son has a vw lupo 1.0l petrol 2000 model,anyway car would just start then cut out instantly.the epc dash light has come on so was...
21 Replies

9539 Views

Last post by 937carrera
25 May 2019, 09:15
Hydro engine mounts are they worth the trouble

Last post by multisi « 24 May 2019, 14:14
Replies: 2
by pugvan » 26 Nov 2016, 21:15

Hello all What do folk recon to hydro mounts are they worth the trouble a few on the samba seem to claim there worth it but maybe their standard...

2 Replies

2853 Views

Last post by multisi
24 May 2019, 14:14
1981 Aircooled Westy to Subaru EJ25 Conversion

Last post by Dollytony « 22 May 2019, 10:03
Replies: 76
by Dollytony » 07 Mar 2015, 17:46
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Here we go then.....

Hi All

I am new to the forum & new to classic VW's, back in November I bought a 1981 Westy poptop to convert to Subaru power &...
76 Replies

65257 Views

Last post by Dollytony
22 May 2019, 10:03
AAZ conversion (what bits are required)

Last post by clone123 « 15 May 2019, 22:36
Replies: 2
by gollfy » 10 May 2019, 10:05

Hi All,
I have an aaz engine and box for my van.

What other bits and bobs am I going to need to complete the conversion? I have done some searching...

2 Replies

1970 Views

Last post by clone123
15 May 2019, 22:36
Most economic engine?

Last post by silverbullet « 14 May 2019, 06:17
Replies: 6
by GreenBlood » 10 May 2019, 14:52

Hi, I’m new!

There seems to be plenty of options for replacing the engine in a t25 (1985 mine is) but what is the best for economy and how does...

6 Replies

2635 Views

Last post by silverbullet
14 May 2019, 06:17
MK1 Audi A3 1.9 TDi not starting (AHU 39****)

Last post by Timburrows « 09 May 2019, 22:09
Replies: 16
by Burtybassett » 26 Apr 2019, 20:24
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Hi,

Got myself a little problem with engine not starting.

I have a 1983 VW T25 Westfalia Campervan with a Mk1 Audi A3 1.9 TDi (AHU 39****) in her....
16 Replies

7159 Views

Last post by Timburrows
09 May 2019, 22:09
Air filter options for Subaru?

Last post by mariner « 07 May 2019, 16:05
Replies: 14
by mariner » 14 Apr 2019, 16:48

Hi all. Had my van for 3 years now and haven’t changed the air filter in that time (probably done 10-15k) in that time and don’t know how long it was...

14 Replies

3793 Views

Last post by mariner
07 May 2019, 16:05
EJ Exhaust / Focus ST

Last post by 300CE « 02 May 2019, 11:58
Replies: 6
by matt brighton » 01 May 2019, 06:15

Having been happy with a GSXR1100 motorbike silencer .... I spent yesterday curtting up and measuring for size my Focus ST exhaust for the camper...

6 Replies

2969 Views

Last post by 300CE
02 May 2019, 11:58
gearbox removal with engine in situ ?

Last post by matt brighton « 02 May 2019, 05:01
Replies: 4
by matt brighton » 21 Feb 2019, 08:04

Hi

I have the Subaru engine installed with the RJES bell housing. Picked up my new DK box yesterday.

Is it possible to remove /replace the gearbox...

4 Replies

2905 Views

Last post by matt brighton
02 May 2019, 05:01
Oil filter and oil change

Last post by mariner « 19 Apr 2019, 11:53
Replies: 4
by mariner » 18 Apr 2019, 18:18

Hi guys. Planning on dropping the oil and changing the filter this wkd. Appreciate it’s not a complex job but my first attempt and just wanted to...

4 Replies

2116 Views

Last post by mariner
19 Apr 2019, 11:53
Warning regarding Subaru diesel replacement engines

Last post by silverbullet « 18 Apr 2019, 19:51
Replies: 1
by Troopy » 17 Apr 2019, 09:02

Did a search for this and couldn't find anything so not sure if it is general knowledge, but the Legacy diesel boxer engines (EE20 I think) from...

1 Replies

1673 Views

Last post by silverbullet
18 Apr 2019, 19:51
AFN quirk , no power until reved , ECU / cruise control ?

Last post by 16vmini « 18 Apr 2019, 14:18
Replies: 27
by 16vmini » 23 Sep 2013, 14:39
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hi ,

did my TDI / AFN conversion last year , and ever since i have done it i have always had this problem , basically i dont have any power after...
27 Replies

20753 Views

Last post by 16vmini
18 Apr 2019, 14:18

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