T25 Alternative Engine Forum

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EJ Subaru Engine, vacuum non return valve

Last post by slowcoach « 08 Sep 2024, 22:07
Replies: 3
by BigBlueVan » 08 Sep 2024, 14:01

Hi All,

Original van engine 1.9dg had a one way valve on the vacuum line at the engine.
The Subaru EJ engine removed from donor vehicle did not have...

3 Replies

37434 Views

Last post by slowcoach
08 Sep 2024, 22:07
N108 valve 1.9TDI MK3

Last post by Aidan « 07 Sep 2024, 16:03
Replies: 2
by Iwallace » 07 Sep 2024, 09:00

Hi all.

My n108 valve on my mk3 1998 1.9TDI engine has been playing up for months now.
Has been repaired once but the wires keep coming loose with...

2 Replies

36446 Views

Last post by Aidan
07 Sep 2024, 16:03
Diesel leaking from pump?

Last post by ZsZ « 07 Sep 2024, 14:33
Replies: 5
by Jezzerisin » 04 Sep 2024, 19:51

Having recently posted about my electric problems..
Things got worse!
Driving on a Spanish motorway, the throttle stuck open, full speed!!
Couldn't...

5 Replies

39875 Views

Last post by ZsZ
07 Sep 2024, 14:33
Oil buzzer at end of long drive

Last post by Middle29 « 04 Sep 2024, 15:19
Replies: 7
by Middle29 » 02 Sep 2024, 11:33

Hi all,

Drove back from Devon yesterday 255 miles. The buzzer went off pulling into the services, sharp left turn decelerating about half way back....

7 Replies

42627 Views

Last post by Middle29
04 Sep 2024, 15:19
WBX combustion chamber cc checks

Last post by silverbullet « 01 Sep 2024, 15:08
Replies: 22
by silverbullet » 18 Feb 2016, 20:59
1

2
I have been meaning to do these measurements for a while as part of doing some static compression ratio calcs, finally got around to it and they...
22 Replies

94931 Views

Last post by silverbullet
01 Sep 2024, 15:08
aaz which alternator

Last post by morganite « 19 Aug 2024, 17:49

by morganite » 19 Aug 2024, 17:49

Hi just finished my type 25 AAZ conversion, with the aaz crank and serpentine pulley,i want to fit an alternator with a clutched pulley to eliminate...

0 Replies

38473 Views

Last post by morganite
19 Aug 2024, 17:49
AAZ Water pump belt JX

Last post by Stesaw « 19 Aug 2024, 13:04
Replies: 10
by Stesaw » 13 Aug 2024, 00:15

Ok so, got a chap with an AAZ engine build thats had everything off a 1.6 TD put on it.. his old 1.6 engine as far as i know was out of a passat...

10 Replies

44248 Views

Last post by Stesaw
19 Aug 2024, 13:04
Engine

Last post by futureW « 14 Aug 2024, 00:43

by futureW » 14 Aug 2024, 00:43

Hello! I have a problem with the starting motor on a JX to AAZ engine conversion.
JX flywheel, JX Starting motor, AAZ engine.
When I tighten the two...

0 Replies

38463 Views

Last post by futureW
14 Aug 2024, 00:43
Which engine?

Last post by Aidan « 09 Aug 2024, 17:56
Replies: 5
by Noclue » 07 Aug 2024, 11:22

Hi everyone.

I have a T25 High Top 1985 1.6TD, left hand drive van. I am looking at replacing the existing engine as i have been told by my mechanic...

5 Replies

38287 Views

Last post by Aidan
09 Aug 2024, 17:56
ECU set up and Subaru select monitor 1 Bristol

Last post by mariner « 09 Aug 2024, 15:24
Replies: 2
by mariner » 07 Aug 2024, 16:47

This is my ecu set up in my van.

I’m trying to work out how to use it! The image in the instructions I have show the OBD socket (yellow), two...

2 Replies

35217 Views

Last post by mariner
09 Aug 2024, 15:24
EJ20- stalling at junctions ??

Last post by mariner « 31 Jul 2024, 20:58
Replies: 10
by matt brighton » 26 Oct 2018, 08:59

Hi

Apparently a common niggle mentioned on subary forums -

throwing up the no 24 fault code - open circuit/bad IACV (idle air control valve)...

10 Replies

47398 Views

Last post by mariner
31 Jul 2024, 20:58
Stuck on a campsite with no engine start

Last post by mariner « 31 Jul 2024, 15:07
Replies: 8
by mariner » 29 Jul 2024, 11:45

Hi all. We’ve found ourselves stuck on a campsite with a van that won’t start.

Drove a 100 miles here no probs having just had oil + filter change...

8 Replies

41845 Views

Last post by mariner
31 Jul 2024, 15:07
1.9AAZ OR MK5 TDi?

Last post by ZsZ « 30 Jul 2024, 11:40
Replies: 2
by Sco77w » 29 Jul 2024, 17:44

Looking for a bit of advice.
I have an “84 T25 that started life as a petrol powered van but I took it on as an unfinished project. As many projects...

2 Replies

34786 Views

Last post by ZsZ
30 Jul 2024, 11:40
Air filter on aaz conversion

Last post by lefty67 « 21 Jul 2024, 14:00
Replies: 4
by morganite » 20 Jul 2024, 15:55

Hi, on the last leg of my aaz conversion from jx 1.6, trying to mount the original jx cylinder air filter the brickwerks way,but it sits on top of...

4 Replies

34904 Views

Last post by lefty67
21 Jul 2024, 14:00
1988 diesel transporter looking for a new engine.

Last post by justinjgreenaway « 19 Jul 2024, 06:03
Replies: 2
by justinjgreenaway » 18 Jul 2024, 21:11

Hi Guys.

Anyone know if the diesel Subaru Impreza GR GH 2.0 D AWD Diesel EE20 EE20Z 150 PS is the correct engine to drop into t25 1988?

Trying to...

2 Replies

34204 Views

Last post by justinjgreenaway
19 Jul 2024, 06:03
Recommendations and request for JX replacement

Last post by Rich Mc « 11 Jul 2024, 08:30

by Rich Mc » 11 Jul 2024, 08:30

Hi all,

my 1.6td JX engine has head gasket issues and I've been recommended to have the engine replaced.
I tinker but this kind of work is beyond...

0 Replies

35196 Views

Last post by Rich Mc
11 Jul 2024, 08:30
Gearbox help

Last post by silverbullet « 09 Jul 2024, 21:32
Replies: 2
by Pedrobus » 08 Jul 2024, 14:26

Hi guys n gals .

I've got a gti lump in my t 25.
Seems like I need a new gearbox as the old 5 speed is worn and whinning in 1st and 2nd.

Which...

2 Replies

31650 Views

Last post by silverbullet
09 Jul 2024, 21:32
AAZ turbo clearance + vgt?

Last post by silverbullet « 26 Jun 2024, 16:58
Replies: 8
by chalkywoods » 08 Jun 2024, 09:49

The custom engine mount bracket on my AAZ fitted by previous owner is looking worse for wear so I was planning on fitting an original JX...

8 Replies

37538 Views

Last post by silverbullet
26 Jun 2024, 16:58
Automatic gearbox to Manual gearbox swap Flipped Audi box

Last post by Dueller « 24 Jun 2024, 20:08
Replies: 10
by Dueller » 27 May 2024, 19:30

...and here we go again

Time for another thread on my next evolution here, swapping out the porsche auto from my caravelle and fitting a flipped...

10 Replies

38099 Views

Last post by Dueller
24 Jun 2024, 20:08
Engine swap 1.9 polo Tdi

Last post by Robsey « 16 Jun 2024, 10:33
Replies: 2
by HMac » 16 Jun 2024, 09:35

Hello fellow rust bucket enthusiasts

I’m currently undergoing a T25 restoration and have now moved onto the engine stage
I have a 2006 Volkswagen...

2 Replies

30457 Views

Last post by Robsey
16 Jun 2024, 10:33
Alternative Subaru

Last post by silverbullet « 31 May 2024, 18:26
Replies: 1
by Cecil » 31 May 2024, 14:16

1 Replies

28636 Views

Last post by silverbullet
31 May 2024, 18:26
JX exhaust on AFN turbo

Last post by Oren Kipnis « 29 May 2024, 21:47
Replies: 2
by Oren Kipnis » 21 May 2024, 18:49

I found a complete new late model stainless steel JX exhaust for an excellent price, and would like to fit it to my AFN Syncro.

Any one has any idea...

2 Replies

29952 Views

Last post by Oren Kipnis
29 May 2024, 21:47
What year Subaru to go for?

Last post by ajsimmo « 25 May 2024, 08:18
Replies: 9
by retro_car_man » 08 Mar 2022, 22:11

Hey guys, looking to do a 2ltr Subaru swap in my 83 DG engined bus. What year of donor car should I be looking at?

9 Replies

37757 Views

Last post by ajsimmo
25 May 2024, 08:18
AFN fault codes

Last post by davidoft1 « 24 May 2024, 09:28
Replies: 1
by Gabe79 » 23 May 2024, 21:31

Hi everybody,

I’ve got problems with my AFN TDI conversion.
Any help would be much appreciated

Got codes the following codes

01262 solenoid...

1 Replies

29234 Views

Last post by davidoft1
24 May 2024, 09:28
diagnostics cable for tdi's

Last post by ZsZ « 11 May 2024, 20:10
Replies: 4
by t25adict » 28 Apr 2024, 11:29

what cable and software are people using with tdi conversions. I can see lots of cables on eBay etc, some with a CD.

its also possible to find lots...

4 Replies

32358 Views

Last post by ZsZ
11 May 2024, 20:10
AAZ injector refresh

Last post by chalkywoods « 02 May 2024, 11:41
Replies: 2
by chalkywoods » 29 Jan 2024, 18:03

I've been trying to get my AAZ running and starting a bit smoother and since 3/4 of my injectors had green waxy gunk seeping out I thought I'd pop...

2 Replies

4566 Views

Last post by chalkywoods
02 May 2024, 11:41
New overheating problem (diesel) on road trip

Last post by therealchrisgray « 18 Apr 2024, 09:53
Replies: 11
by therealchrisgray » 16 Apr 2024, 12:22

I hope someone can help, I'm on a long journey and have hit a snag.

I just packed up and hit the road out of the town where I spent the night, and...

11 Replies

10979 Views

Last post by therealchrisgray
18 Apr 2024, 09:53
AFN Dual mass flywheel ? can i use it ?

Last post by 16vmini « 15 Apr 2024, 09:44
Replies: 38
by 16vmini » 23 Jul 2012, 12:26
1

2

3
ok .. planning on fitting my AFN sharan motor this weekend .. but just found out i have a dual mass flywheel ...

can i carry on and use that for now...
38 Replies

30910 Views

Last post by 16vmini
15 Apr 2024, 09:44
Diesel leak under pressure

Last post by clift_d « 09 Apr 2024, 11:23
Replies: 15
by therealchrisgray » 07 Apr 2024, 19:16
1

2
1.9 diesel, non-turbo, of unknown origin, fitted decades ago, van was originally petrol.

No pool of liquid under the van when I got in it, but I...
15 Replies

9460 Views

Last post by clift_d
09 Apr 2024, 11:23
Golf Mk4 "APK" engine conversion

Last post by silverbullet « 25 Mar 2024, 19:33
Replies: 39
by silverbullet » 19 Jan 2020, 19:14
1

2

3
There's a little collective group of us looking at using the so-called Gen V inline crossflow engines as a successor to the AGG, as supplies dry up....
39 Replies

33637 Views

Last post by silverbullet
25 Mar 2024, 19:33
aaz front pulley problems

Last post by ajsimmo « 23 Mar 2024, 22:51
Replies: 7
by morganite » 04 Jan 2024, 16:03

Hi all you knowledgable people my name is Pete and this is my first post. Doing a JX to AAZ conversion and i’m worried about the front pulley coming...

7 Replies

34150 Views

Last post by ajsimmo
23 Mar 2024, 22:51
petrol to diesel engine swop

Last post by Dueller « 23 Mar 2024, 08:16
Replies: 2
by morganite » 20 Mar 2024, 14:15

Thinking about swopping the cream- crackered 1.9 wbx petrol engine for a diesel aaz engine, what is involved exactly ? is it just fit diesel...

2 Replies

2901 Views

Last post by Dueller
23 Mar 2024, 08:16
Porsche Automatic Gearbox Conversion into my Caravelle

Last post by bat « 19 Mar 2024, 22:24
Replies: 44
by Dueller » 24 Oct 2023, 19:23
1

2

3
Hi again everyone

My last project of fitting the Ford Mondeo st220 into my Caravelle thread was a real good story board so thought id start another...
44 Replies

26804 Views

Last post by bat
19 Mar 2024, 22:24
Newly purchase T25 - Subaru 2.5 in it - Engine Temp question

Last post by slowcoach « 19 Mar 2024, 08:47
Replies: 9
by symbol_soup » 16 Mar 2024, 23:20

Hi all,

I recently bought a well looked after1986 Reg T25 that had a Subaru conversion done in 2014 with a pre 2003 Legacy engine. It's done 5k...

9 Replies

4226 Views

Last post by slowcoach
19 Mar 2024, 08:47
1.9tdi AHU not starting unless boost control valve unplugged

Last post by Iwallace « 14 Mar 2024, 20:51
Replies: 5
by Iwallace » 07 Feb 2024, 19:40

Howdy,

At a bit of a loss so thought I’d come to the well of knowledge.
Tried starting up ready to drive to my MOT and no joy.
Well, it cranks and...

5 Replies

3357 Views

Last post by Iwallace
14 Mar 2024, 20:51
EJ25 Speed Sensor

Last post by totorro « 09 Mar 2024, 17:46
Replies: 3
by totorro » 01 Mar 2024, 19:36

Hello, I have questions around speed sensors and EJ25 ECUs, does anyone have any experience?

A bit of background - my van has a EJ25 conversion...

3 Replies

3114 Views

Last post by totorro
09 Mar 2024, 17:46
1.6D Exhaust System

Last post by The Hairy Camper « 07 Mar 2024, 16:57
Replies: 3
by The Hairy Camper » 05 Mar 2024, 20:53

So I have a 1.9D engine running with a 1.6D exhaust system. I've been running my exhaust without all the mounts attached as I couldn't get everything...

3 Replies

2428 Views

Last post by The Hairy Camper
07 Mar 2024, 16:57
Running rough after sitting for 3 months

Last post by ELVIS « 28 Feb 2024, 18:54
Replies: 15
by uniqueinteriors » 02 Feb 2024, 18:12
1

2
I have a 72 bay window with a 1600 twin port engine with twin 40 dellorto carbs. I did an engine rebuild last year and cover 400 miles last summer so...
15 Replies

6072 Views

Last post by ELVIS
28 Feb 2024, 18:54
The old which oil is best

Last post by mariner « 23 Feb 2024, 10:39
Replies: 2
by mariner » 22 Feb 2024, 18:51

Have read conflicting views on Scooby forums so thought I'd ask here as value your opinions. Which oil is best for a '96 EJ22. Have some 15-40 and...

2 Replies

2222 Views

Last post by mariner
23 Feb 2024, 10:39
Loss of power and garage stumped by wiring

Last post by mariner « 22 Feb 2024, 18:47
Replies: 15
by mariner » 09 Jan 2024, 16:14
1

2
Happy new year all! Hoping someone might have a little nugget of wisdom they can throw my way!

Before Christmas the slave cylinder on my van leaked...
15 Replies

39549 Views

Last post by mariner
22 Feb 2024, 18:47
AAZ diesel pump

Last post by T25boy71 « 21 Feb 2024, 09:17
Replies: 8
by morganite » 19 Feb 2024, 22:42

Hi, the AAZ diesel pump i’m using on my engine conversion has been on the donor engine, standing for about a year, it turns ok but i,m a bit worried...

8 Replies

4729 Views

Last post by T25boy71
21 Feb 2024, 09:17
Subaru Throttle Position Sensor

Last post by Nelpy « 17 Feb 2024, 13:53
Replies: 2
by Nelpy » 17 Feb 2024, 09:57

Hi

I’m looking for some advice on a replacement throttle position sensor for a Subaru H6 3.0 engine (from a 2001 Legacy Outback).

So far I can’t...

2 Replies

2536 Views

Last post by Nelpy
17 Feb 2024, 13:53
aaz pulley bolt socket

Last post by morganite « 13 Feb 2024, 20:56
Replies: 3
by morganite » 13 Feb 2024, 15:50

Hi, does anyone know where i can buy a 1/2 drive torx female socket ( think it’s an E26) for the 1.9 AAZ front pulley bolt?

3 Replies

2341 Views

Last post by morganite
13 Feb 2024, 20:56
oil pressure and oil temp gauges

Last post by ZsZ « 13 Feb 2024, 16:34
Replies: 1
by morganite » 13 Feb 2024, 16:21

Thinking of fitting an oil pressure and oil temperature gauge to my Camper when the AAZ conversion is finished.Where would i tap into the engine for...

1 Replies

2102 Views

Last post by ZsZ
13 Feb 2024, 16:34
Whitestar 1.9TDi 1z won’t start.

Last post by randolph57 « 09 Feb 2024, 20:49
Replies: 3
by stephen t25 » 11 Nov 2023, 16:38

Afternoon all,

Jumped into the van today and it normally starts on the button every time, but today no :( no orange glow plug light, turns over but...

3 Replies

8567 Views

Last post by randolph57
09 Feb 2024, 20:49
AAZ turbo questions

Last post by ZsZ « 25 Jan 2024, 21:44
Replies: 1
by morganite » 25 Jan 2024, 19:52

Advice please, want to fit a jx exhaust manifold onto my aaz conversion engine, can i fit a aaz turbo onto the jx exhaust.manifold? because all the...

1 Replies

2247 Views

Last post by ZsZ
25 Jan 2024, 21:44
Gti conversion

Last post by Dueller « 19 Jan 2024, 21:02
Replies: 2
by Raynsford5 » 12 Sep 2023, 11:41

Hi all I'm new to all this and would love some good advice, we have bought a lovely 1980 t25 air cooled was previously a diesel but I am planning on...

2 Replies

45369 Views

Last post by Dueller
19 Jan 2024, 21:02
Antifreeze, which one?

Last post by rollercoaster « 15 Jan 2024, 18:53
Replies: 2
by rollercoaster » 15 Jan 2024, 16:24

Ok so I am laying up my Syncro,
its got an AGG, Mk3 Golf engine,
and I dont know what antifreeze to use,
guess I am a bit stupid for not remembering...

2 Replies

3805 Views

Last post by rollercoaster
15 Jan 2024, 18:53
Glow plug rail

Last post by stephen t25 « 08 Jan 2024, 21:59
Replies: 3
by stephen t25 » 08 Jan 2024, 21:36

Evening all, does anyone know what glow plug rail goes on a 1.9tdi 1Z mine has disintegrated so can’t see part no, seem the be a few different ones...

3 Replies

31429 Views

Last post by stephen t25
08 Jan 2024, 21:59
Heavy Smoking after seal change

Last post by davidoft1 « 08 Jan 2024, 15:07
Replies: 2
by glennyboy2 » 08 Jan 2024, 13:24

1986 T3 fitted with a 1Y VW 1.9 non turbo engine.
After developing a leak, I have fitted a new head seal and reassembled the Bosch injection pump.
I...

2 Replies

27863 Views

Last post by davidoft1
08 Jan 2024, 15:07

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