T25 Alternative Engine Forum

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1Y engine questions

Last post by studog « 31 Mar 2022, 12:45
Replies: 6
by studog » 31 Mar 2022, 09:43

Please excuse the basic question but Diesels are still black magic to me! Petrol makes so much more sense!

After lots of starting and running issue...

6 Replies

1620 Views

Last post by studog
31 Mar 2022, 12:45
Can anyone identify this engine please?

Last post by silverbullet « 21 Mar 2022, 19:28
Replies: 20
by T25Hugh » 14 Mar 2022, 18:53
1

2
Hello! I’m new here and have read through loads of threads full of useful information but haven’t found my answer yet. I recently bought an H-reg T25...
20 Replies

4049 Views

Last post by silverbullet
21 Mar 2022, 19:28
intrusive fuel pump noise

Last post by slowcoach « 17 Mar 2022, 20:35
Replies: 13
by matt brighton » 26 Jul 2019, 05:25

Hi

Depending on your preference for modded car sounds you may like me find the fuel pump noise on the external pump used in subaru conversions...

13 Replies

4980 Views

Last post by slowcoach
17 Mar 2022, 20:35
temp change after cam beltl change

Last post by sivan « 20 Feb 2022, 17:40
Replies: 2
by sivan » 20 Feb 2022, 17:01

Hi,
Had cambelt changed on van along with water pump, temperature gauge now reading just above halfway but gauge before always just below halfway...

2 Replies

1195 Views

Last post by sivan
20 Feb 2022, 17:40
AAZ conrods

Last post by davegeezzer008 « 20 Feb 2022, 16:10
Replies: 4
by davegeezzer008 » 17 Feb 2022, 03:15

Hi guys I'm needing some help buying a new set of conrods for my AAZ please.
On Etka it's 028198401 but then there are different letters on the end...

4 Replies

1389 Views

Last post by davegeezzer008
20 Feb 2022, 16:10
AGG Engine Conversion - Electrics

Last post by maxstu « 18 Feb 2022, 17:45
Replies: 9
by StoneRoses » 30 Jan 2022, 21:00

Hi
I’m a long-term Aircooled guy, who right now is outside my comfort zone whilst helping out with a T3 engine conversion. So this post is very much...

9 Replies

3883 Views

Last post by maxstu
18 Feb 2022, 17:45
1z tdi n75 valve question

Last post by sweetaswesty « 16 Feb 2022, 11:00

by sweetaswesty » 16 Feb 2022, 11:00

Hi, I’ve just replaced the N75 valve on our 1z tdi conversion - which was done professionally five years ago - and discovered that the hose coming...

0 Replies

2572 Views

Last post by sweetaswesty
16 Feb 2022, 11:00
How do you prime an AAZ diesel pump?

Last post by Timburrows « 12 Feb 2022, 20:28
Replies: 3
by toddylaguna » 12 Feb 2022, 12:07

Hi All

I have just replaced my golf 1.9td in my t25 doka with an Audi 1.9td. Except for an engine mounting bracket it's been fairly straightforward....

3 Replies

2071 Views

Last post by Timburrows
12 Feb 2022, 20:28
Stainless Steel Silencer for Subaru Powered T25

Last post by M4tt_1 « 04 Feb 2022, 14:21
Replies: 14
by mshaw1980 » 28 Jan 2021, 19:43

Hello

I am going to make myself a new subaru exhaust from stainless steel as the mild steel one I knocked together (pictures below) is on its last...

14 Replies

4731 Views

Last post by M4tt_1
04 Feb 2022, 14:21
1y service

Last post by plumbob « 30 Jan 2022, 05:19

by plumbob » 30 Jan 2022, 05:19

I have a 1Y engine fitted in my bus and its time for cambelt change. I don't know what the donor vehicle was so am asking if all 1y engines have the...

0 Replies

1853 Views

Last post by plumbob
30 Jan 2022, 05:19
Replace 1.9 Engine with 2.1 or Subaru?

Last post by Dueller « 23 Jan 2022, 13:44
Replies: 18
by triumph2.5pi » 20 Sep 2021, 15:15
1

2
Hi all
I have a 1988 1.9 Autosleeper high top and the engine is on its way out. I’m considering replacing it either with a fully rebuilt 2.1 engine,...
18 Replies

5351 Views

Last post by Dueller
23 Jan 2022, 13:44
Golf MK III 2.0 GTI engine conversion - noisy fuel pump

Last post by lellis77 « 29 Nov 2021, 13:35
Replies: 2
by lellis77 » 19 Nov 2021, 12:37

Hello all, I have a 1985 T25 with a Golf MK III 2.0 GTI engine conversion. The current fuel pump is an inline T25 pump (after market) and it has been...

2 Replies

1372 Views

Last post by lellis77
29 Nov 2021, 13:35
Early DG conversion to 2.1 DJ spec

Last post by maxstu « 17 Nov 2021, 22:34
Replies: 12
by silverbullet » 02 Jan 2021, 18:57

As per title, a VW exchange unit (engine number D. That's it!) with a verified 100k and had been religiously serviced by first owner. New owner...

12 Replies

7832 Views

Last post by maxstu
17 Nov 2021, 22:34
Carburation

Last post by Stesaw « 01 Nov 2021, 16:36
Replies: 1
by sump » 01 Nov 2021, 16:29

Has anyone got a single webber fitted and running on LPG if so how?

My system uses the black plastic box on top of the carb to induct the gas and...

1 Replies

1070 Views

Last post by Stesaw
01 Nov 2021, 16:36
No spark when cranking

Last post by Giz « 11 Oct 2021, 01:28
Replies: 4
by Giz » 07 Oct 2021, 19:01

Hi,
I've searched the forum but can't find an answer to my ignition issue.
The van is a 1990 diesel which has been converted to run a 2.1 5 cylinder...

4 Replies

1477 Views

Last post by Giz
11 Oct 2021, 01:28
Sabaru cruise control T25 locatiii

Last post by maxstu « 25 Sep 2021, 09:46
Replies: 3
by Flip » 30 Jul 2021, 20:56

Hi I’m converting to an EJ25 Sabaru and wondered if anyone had any ideas or preference on where to put Sabaru Cruise control control leaver to set...

3 Replies

2106 Views

Last post by maxstu
25 Sep 2021, 09:46
Which oil filter for a 1Z conversion

Last post by Oren Kipnis « 14 Sep 2021, 17:45
Replies: 3
by sweetaswesty » 31 Jul 2021, 17:45

It's been a long time since I changed the oil on our 1Z conversion because it's been SORNed while I took it apart and put it back together again but...

3 Replies

2271 Views

Last post by Oren Kipnis
14 Sep 2021, 17:45
1z TDI coolant hose

Last post by stephen t25 « 14 Sep 2021, 14:11
Replies: 5
by stephen t25 » 14 Sep 2021, 08:49

Hi all,

I have a 1.9 TDI 1Z in my van and was all set for a day out and 2 miles down the road the coolant hose split as it comes out the cylinder...

5 Replies

2316 Views

Last post by stephen t25
14 Sep 2021, 14:11
Subaru Surgery

Last post by izzybarnard « 08 Sep 2021, 11:46
Replies: 5
by Smiffo » 07 Sep 2021, 16:57

Anyone have any experience with this company?

I'm nowhere near in a position to do it yet, but every now and again I consider a Subaru conversion....

5 Replies

2197 Views

Last post by izzybarnard
08 Sep 2021, 11:46
Heads-up re. LED brake lamps causing TDI limp mode

Last post by syncroandy « 01 Sep 2021, 11:19

by syncroandy » 01 Sep 2021, 11:19

Just a quick heads-up to anyone running a VAG drive-by-wire engine including any 1993-2005 TDI (and probably later), or petrol engine from ~2000...

0 Replies

2741 Views

Last post by syncroandy
01 Sep 2021, 11:19
AFN TDI Throttle problem

Last post by syncroandy « 31 Aug 2021, 19:26
Replies: 9
by Mudlark » 26 Apr 2021, 13:42

Hi All

My AFN TDI has developed an annoying intermittent fault on the throttle.

The power will suddenly die without warning. Take the foot of the...

9 Replies

4634 Views

Last post by syncroandy
31 Aug 2021, 19:26
What engine?

Last post by DoubleOSeven « 17 Aug 2021, 21:30
Replies: 16
by Sighmoon » 16 Aug 2021, 08:20
1

2
I have a '85 Autosleeper that appeared to start life as a 1.9 petrol. It has had a diesel conversion ( 1600 non turbo I think ) but I cannot any...
16 Replies

5942 Views

Last post by DoubleOSeven
17 Aug 2021, 21:30
T3 with AAZ engine

Last post by sweetaswesty « 06 Aug 2021, 21:32
Replies: 4
by Andyvandy » 05 Aug 2021, 12:34

I have a 1990 T3 Westfalia which had the original JX engine changed for an AAZ by the previous owner. So far so good (if you live in the UK!).

We...

4 Replies

2313 Views

Last post by sweetaswesty
06 Aug 2021, 21:32
Aaz 1.9td thermostat hose to metal return pipe.

Last post by Aidan « 26 Jul 2021, 07:04
Replies: 1
by Nathan290 » 25 Jul 2021, 21:07

Hi all, I have an aaz 1.9td fitted to my van. It came already converted.

I have an issue with the thermostat to metal return hose, it's leaking...

1 Replies

1648 Views

Last post by Aidan
26 Jul 2021, 07:04
oil trap

Last post by Jim San « 21 Jul 2021, 08:31
Replies: 2
by Jim San » 20 Jul 2021, 17:46

Anyone fitted an oil trap?

Van is currently waiting to go under the knife to have a couple of oil seals replaced and a water jacket plug to fix the...

2 Replies

1762 Views

Last post by Jim San
21 Jul 2021, 08:31
Which oil pressure switch?

Last post by Mark S « 21 Jul 2021, 08:25
Replies: 3
by Mark S » 05 Sep 2020, 16:21

There is always oil inside the boot of my oil pressure switch atop the filter mounting and so I suspect it might be leaking. Should be simple job to...

3 Replies

2585 Views

Last post by Mark S
21 Jul 2021, 08:25
AAZ pump on a TDI engine???

Last post by Aidan « 12 Jul 2021, 08:45
Replies: 7
by Al Housman » 28 Jun 2021, 15:51

Just thinking outside of the box.

I have a recon diesel pump off a spare AAZ engine and was musing as to whether it would bolt straight on to an...

7 Replies

3295 Views

Last post by Aidan
12 Jul 2021, 08:45
DMF clutch on an AAZ?

Last post by Al Housman « 04 Jul 2021, 06:34

by Al Housman » 04 Jul 2021, 06:34

My gearbox is going to Aidan’s for some tlc next month and thought was to get him to change the shaft so that I can fit a dual mass flywheel...

0 Replies

3568 Views

Last post by Al Housman
04 Jul 2021, 06:34
problems with cooling system

Last post by RogerT « 25 Jun 2021, 21:29
Replies: 24
by feardana » 01 Aug 2012, 22:44
1

2
Hi, I'm a newbie in more ways than one but i'm keen to learn and i'll try not to be too thick/annoying in the process :)

we bought our bus a couple...
24 Replies

18902 Views

Last post by RogerT
25 Jun 2021, 21:29
Lucky Spragg's engine upgrade

Last post by Schnippzle « 25 Jun 2021, 13:57
Replies: 15
by silverbullet » 05 May 2021, 13:20
1

2
This one has been on the cards for a while...
Anyway, it finally arrived a few weeks ago and typically I am overloaded with work again!
Made a start,...
15 Replies

5553 Views

Last post by Schnippzle
25 Jun 2021, 13:57
Subaru ej20 coolant leak

Last post by slowcoach « 17 Jun 2021, 10:20
Replies: 13
by Grogg » 13 Jun 2021, 15:36

Hi Everyone,

My van has sprung a leak. After a drive in the heat and traffic I parked up and heard a hiss I looked under the van to see coolant...

13 Replies

3613 Views

Last post by slowcoach
17 Jun 2021, 10:20
sooty air filter

Last post by sivan « 17 Jun 2021, 09:36
Replies: 8
by sivan » 28 May 2021, 07:58

Morning All

Had my bus serviced last year not long after purchase and air filter was very dirty, put this down to PO neglect ,however just had a...

8 Replies

2558 Views

Last post by sivan
17 Jun 2021, 09:36
1.9aef engine engine issue ..help please

Last post by roonstar « 15 Jun 2021, 05:10
Replies: 2
by roonstar » 13 Jun 2021, 22:50

right guys so fitted the aef engine into the van originally a petrol van
been driving it last 2 days, felt fine ,then tonight on way home van started...

2 Replies

1733 Views

Last post by roonstar
15 Jun 2021, 05:10
Add CEL for AGG conversion

Last post by ELVIS « 01 Jun 2021, 15:23
Replies: 11
by JacobusRoux » 13 May 2021, 19:36

Hi all,

I've completed a 2.0 AGG conversion in my '89 Syncro Microbus. Now I'm trying to add an Check Engine Light to my dash.

I'm a bit ignorant...

11 Replies

3954 Views

Last post by ELVIS
01 Jun 2021, 15:23
AAz 1.9TD 1988 LHD turning over but not starting .

Last post by ZsZ « 27 May 2021, 10:17
Replies: 2
by jacko1967 » 24 May 2021, 20:22

Hi haven't started my van for nearly a week since driving to the lake District no problems.today it wouldn't start battery's good starter is cranking...

2 Replies

1838 Views

Last post by ZsZ
27 May 2021, 10:17
Help alternator

Last post by roonstar « 11 May 2021, 18:18
Replies: 2
by roonstar » 11 May 2021, 17:08

OK so I've fitted a diesel aef engine to our van (originally a petrol )
Alternator shows on dash that its not charging ,but I just needed to know if...

2 Replies

2263 Views

Last post by roonstar
11 May 2021, 18:18
fan belt fitting

Last post by Cdm181070 « 09 May 2021, 22:11
Replies: 8
by alank950 » 19 Jun 2016, 19:21

Can someone post a pic of their fan belt fitted?.I am wondering if it fits on in a loop or around the pullys in a fig 8 ..Van 1.9D

8 Replies

4124 Views

Last post by Cdm181070
09 May 2021, 22:11
subaru conversion

Last post by shaunyp « 05 May 2021, 18:00
Replies: 4
by shaunyp » 25 Apr 2021, 12:14

Hi all, i hope your all keeping well, i own a t25 and during lockdown i have fitted a 2.0l subaru engine, the problem i`m having is that it will...

4 Replies

2579 Views

Last post by shaunyp
05 May 2021, 18:00
1.9 1Y oil leak source?

Last post by R0B « 28 Apr 2021, 13:06
Replies: 1
by nucleus666 » 25 Apr 2021, 08:29

Hi folks

Absolute newbie here with a 1982 with a 1.9 1Y engine. I’ve recently developed an oil leak which looks like it may be originating from...

1 Replies

1803 Views

Last post by R0B
28 Apr 2021, 13:06
New to forum - views please.

Last post by Aidan « 27 Apr 2021, 12:01
Replies: 1
by kevmday » 27 Apr 2021, 09:50

Recently had work completed on an 82 Danbury conversion. Originally a 2l petrol, it now has a Golf 1.9TDi 1Z/AHU. It is attached to an original 1.6d...

1 Replies

1777 Views

Last post by Aidan
27 Apr 2021, 12:01
Melted 1y diesel injector seal

Last post by Cdm181070 « 18 Apr 2021, 05:48
Replies: 10
by Cdm181070 » 28 Mar 2021, 07:13

I have just fitted a 1y engine with reconditioned injectors and pump, It has just been running in the workshop and only driven around a yard. The...

10 Replies

4113 Views

Last post by Cdm181070
18 Apr 2021, 05:48
Old (KY) Injection Pump on 1Y Engine

Last post by steveo9007 « 16 Apr 2021, 17:18
Replies: 3
by The Hairy Camper » 10 Apr 2021, 13:03

Just swapping over an old (working) injection pump onto my 1Y.

Was going well until i noticed the non working pump had threads to bolt straight to...

3 Replies

2452 Views

Last post by steveo9007
16 Apr 2021, 17:18
Aidan's wbx 2.5

Last post by silverbullet « 09 Apr 2021, 19:52
Replies: 13
by silverbullet » 15 Jan 2021, 22:52

I'm starting the new year with a rapid 2.5 build for our very own gearbox guru.
The case was prepared for 98mm cylinders a while ago and I'm going...

13 Replies

5532 Views

Last post by silverbullet
09 Apr 2021, 19:52
VR6 engine in a T25

Last post by josephcarey1 « 05 Apr 2021, 21:51
Replies: 14
by josephcarey1 » 30 Oct 2020, 21:49

Hi guys,
I’m Joe from Surrey.
I’m new here and this is my first post.
So, I’ve recently bought a 2.1DG T25 Caravelle.

The engine was losing water...

14 Replies

13266 Views

Last post by josephcarey1
05 Apr 2021, 21:51
diesel flywheels

Last post by t25adict « 21 Feb 2021, 12:40
Replies: 17
by t25adict » 17 Jan 2021, 01:23
1

2
I have a 1.6d from an Audi 80 that I plan to put into a Doka that I am working on but I don't have a standard T3 flywheel.

So looking at other...
17 Replies

5821 Views

Last post by t25adict
21 Feb 2021, 12:40
Throttle bodies on a wbx

Last post by 300CE « 17 Feb 2021, 18:58
Replies: 3
by silverbullet » 15 Feb 2021, 21:59

I have found a German company who make Weber flange pattern inlet manifolds and throttle bodies that will fit the wbx and they are not expensive!
It...

3 Replies

2214 Views

Last post by 300CE
17 Feb 2021, 18:58
Cabin heat, 1.8T conversion, extra pump?

Last post by DSM « 12 Feb 2021, 10:59
Replies: 15
by rollercoaster » 25 Jan 2021, 17:07
1

2
Something thats not been quite right with my 1.8t conversion is the cabin heater,
its ok when I'm driving but at standstill, tickover, it just doesnt...
15 Replies

5161 Views

Last post by DSM
12 Feb 2021, 10:59
WBX test rig

Last post by silverbullet « 11 Feb 2021, 22:30
Replies: 18
by silverbullet » 01 Nov 2019, 21:59
1

2
I've been building this to test fresh rebuilds prior to dispatch.
It's built from an engine stand, bellhousing and a custom starting loom by...
18 Replies

7120 Views

Last post by silverbullet
11 Feb 2021, 22:30
1.9dg to agg conversion

Last post by axeman « 09 Feb 2021, 22:07
Replies: 24
by Hirst80 » 12 Dec 2020, 18:34
1

2
Could anyone be so kind and point me into the right direction of some information on an agg conversion into my 1.9dg I’ve got a good idea, but I like...
24 Replies

9875 Views

Last post by axeman
09 Feb 2021, 22:07
AAZ turbo oil leakage 1.9 td

Last post by jacko1967 « 04 Feb 2021, 18:46
Replies: 2
by jacko1967 » 04 Feb 2021, 14:45

Hi anybody out there with pics of there AAZ convertion turbo oil return pipe??? my 2 year old turbo is blowing oil thru and out, iam thinking the oil...

2 Replies

2258 Views

Last post by jacko1967
04 Feb 2021, 18:46

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