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

Audi TT 225BHP HEAD CHALLENGE

Last post by 937carrera « 22 Mar 2018, 14:09
Replies: 12
by skysurfin09 » 17 Feb 2018, 18:46

My apologies if this item is in the wrong place mods: Can anyone help who has a mechanical bent. I've an Audi TT that i've thrown a lot of money at....

12 Replies

7608 Views

Last post by 937carrera
22 Mar 2018, 14:09
CS to JX possible?

Last post by colinthefox « 18 Mar 2018, 20:34
Replies: 17
by GreenBean91 » 12 Mar 2018, 16:45
1

2
Hi guys!

I blew the head gasket on my 1.6D a while back, and I'm finally in a financial position to repair it.

Rather than strip it down, send off...
17 Replies

9203 Views

Last post by colinthefox
18 Mar 2018, 20:34
Aaz conversion?

Last post by Al Housman « 17 Mar 2018, 12:14
Replies: 3
by Benny1stT25 » 17 Feb 2018, 21:45

Hi I am new to the forum (and t25's) but looking the forum felt I should join as It could be beneficial to my project. I bought a high top t25 with a...

3 Replies

3058 Views

Last post by Al Housman
17 Mar 2018, 12:14
Engine refusing to start!

Last post by silverbullet « 12 Mar 2018, 08:14
Replies: 3
by mariner » 24 Feb 2018, 17:31

Hi guys. I’ve an early ej22 in my van and yesterday morning it decided to play dead on me! Gets lights on the dashpod, the radio working and the...

3 Replies

2127 Views

Last post by silverbullet
12 Mar 2018, 08:14
Clutch slips when hot

Last post by naff_monk « 28 Feb 2018, 15:52
Replies: 8
by naff_monk » 10 Feb 2018, 19:14

Hi All

Tried the usual googling but can't find the answer to this one so hoping someone can help.

Some background:

Clutch slips slightly when hot...

8 Replies

4132 Views

Last post by naff_monk
28 Feb 2018, 15:52
Passenger engine mount - retainer bracket

Last post by PaulcT3 « 23 Feb 2018, 22:58
Replies: 4
by PaulcT3 » 23 Feb 2018, 11:46

Hi All

new member, bought a non-running van with an AGG engine (minus bits) so I'm trying to pull it all together. I appear to be missing a...

4 Replies

2238 Views

Last post by PaulcT3
23 Feb 2018, 22:58
Turbo conversion 1.6 jx

Last post by clone123 « 23 Feb 2018, 22:33
Replies: 21
by rolling heavy » 31 Dec 2017, 10:15
1

2
Is it possible to bolt all the necessary turbo gtd parts to a none turbo 1.6 jx engine and would it work ?
21 Replies

15868 Views

Last post by clone123
23 Feb 2018, 22:33
1.7KY to 1.91Y or AEF

Last post by colinthefox « 19 Feb 2018, 22:56
Replies: 1
by Drover » 19 Feb 2018, 20:31

Hi Guys, I am new to the forum (and to the T25) and appreciate all the great info on here. Just read Colinthefox's excellent article of converting a...

1 Replies

1534 Views

Last post by colinthefox
19 Feb 2018, 22:56
Anyone got an engine hoist for hire in or near London.

Last post by waltraud « 19 Feb 2018, 22:14
Replies: 12
by waltraud » 28 Oct 2017, 19:31

I’m doing an AGG conversion, need an engine hoist.

Sent from my iPhone using Tapatalk

12 Replies

6280 Views

Last post by waltraud
19 Feb 2018, 22:14
Won't start and EasyStart ?

Last post by LL435 « 06 Feb 2018, 15:08
Replies: 5
by LL435 » 26 Nov 2017, 15:46

IMG_5211.JPG Hi,
A quick query please for you mechanically minded folk. The engine is a replacement Seat 1.9TDi. My VWT25 has been unused in a barn...

5 Replies

6767 Views

Last post by LL435
06 Feb 2018, 15:08
Glowplug sensor

Last post by IAN-H « 05 Feb 2018, 15:12
Replies: 2
by IAN-H » 05 Feb 2018, 10:11

T25 1.9 td engine.Just a quicky, where is the glow plug temperature sensor unit located ? I need to find out why my glow plugs aren't working,...

2 Replies

1734 Views

Last post by IAN-H
05 Feb 2018, 15:12
Turbo

Last post by Jay68 « 01 Feb 2018, 16:02
Replies: 4
by Jay68 » 22 Jan 2018, 20:30

The turbo has gone on my bus. The one that was on was the old one from the old 1.6td but the engine is now a 1.9td which I replaced 5 years ago.
Do...

4 Replies

2875 Views

Last post by Jay68
01 Feb 2018, 16:02
T25, engine swap, what either my 2,5tdi or buy new 1,9tdi

Last post by t25norway « 31 Jan 2018, 19:32

by t25norway » 31 Jan 2018, 19:32

Okay, so i have a T25 1987 Caravelle with 1,6TD and 5 speed transmission

1st option caravelle 1997 with a 2,5TDI motor, what transmission should i...

0 Replies

2192 Views

Last post by t25norway
31 Jan 2018, 19:32
Subaru conversion? - thoughts please

Last post by slowcoach « 29 Jan 2018, 18:12
Replies: 17
by Karen&co » 20 Dec 2017, 17:59
1

2
Hello,

Just wanted to pick peoples brains about having a Subaru conversion?

Hubby is keen to put one into our van and I'm not sure it's a good...
17 Replies

21746 Views

Last post by slowcoach
29 Jan 2018, 18:12
VW T25 Single cab pickup AAZ Exhaust

Last post by footstuck « 27 Jan 2018, 10:08
Replies: 2
by Macadder » 20 Jan 2018, 16:55

I have searched through the forum to look for the information I was looking for, unfortunately I can't see the answer, it may be there, in which case...

2 Replies

2422 Views

Last post by footstuck
27 Jan 2018, 10:08
weird problem

Last post by Stovies « 26 Jan 2018, 10:06
Replies: 29
by Stovies » 02 Jan 2018, 15:23
1

2
ok as title says, I have been tinkering with the engine over the past few weeks, changing oil, filters fuel lines filters, electrical connections...
29 Replies

13841 Views

Last post by Stovies
26 Jan 2018, 10:06
DX Won't idle after cambelt change

Last post by garyd « 17 Jan 2018, 16:25
Replies: 1
by bmouthboyo » 06 Jan 2018, 22:09

Hi Guys,

Bit of a long one but best to be thorough and I would really appreciate any help you could give.

I have a Kjet 1.8 DX engine in my VW T25...

1 Replies

1710 Views

Last post by garyd
17 Jan 2018, 16:25
DX Won't idle after cambelt change

Last post by Theclash « 06 Jan 2018, 23:54

by Theclash » 06 Jan 2018, 23:54

For your rocker cover problem you need to change the studs when fitting rubber gasket Can't remember if it's with or without collar but that will be...

0 Replies

2012 Views

Last post by Theclash
06 Jan 2018, 23:54
Best gearbox for high torque engine

Last post by silverbullet « 05 Jan 2018, 21:21
Replies: 2
by PICKLEBRANTON » 22 Dec 2017, 11:11

I have a v8 t25. I want to improve the gearing as currently 2000rpm = 40mph with 16 60 profile tyres. Is the flipped Audi box the best candidate ? Is...

2 Replies

2566 Views

Last post by silverbullet
05 Jan 2018, 21:21
Syncro specific engine alternatives

Last post by silverbullet « 24 Dec 2017, 09:46
Replies: 1
by rollercoaster » 21 Dec 2017, 00:30

My Syncro is a DOKA with a 2.1 WBX,
...would like an alternative engine well suited to the Syncro,
so it needs to keep the bash plates under it,
not...

1 Replies

1661 Views

Last post by silverbullet
24 Dec 2017, 09:46
Subaru idle problem (EJ20 in a T25)

Last post by torsen « 18 Dec 2017, 07:52
Replies: 4
by Hoopy_Frood » 11 Dec 2017, 17:29

Hi,
Apologies for the long, probably rambling post.
I have a my2000 EJ20 (MAP configuration) in a 1984 VW T25. Conversion parts were from RJES and...

4 Replies

4656 Views

Last post by torsen
18 Dec 2017, 07:52
JX/ AAZ Rocker cover / oil breather leak

Last post by wolfbus.uk « 15 Dec 2017, 21:45
Replies: 2
by wolfbus.uk » 15 Dec 2017, 13:09

Hi ive done about a thousand miles on new AAZ engine.
It's leaking a little oil from the rocker cover/top breather area. We fitted a new seal during...

2 Replies

2224 Views

Last post by wolfbus.uk
15 Dec 2017, 21:45
Dyno facilities

Last post by philyoung « 15 Dec 2017, 17:54
Replies: 4
by philyoung » 08 Nov 2017, 11:37

Can anybody recommend a dyno facility within striking distance of Portsmouth that can cope with a syncro (ideally prefer not to have to take the...

4 Replies

3491 Views

Last post by philyoung
15 Dec 2017, 17:54
Diesel 1.9 1y conversion

Last post by ajsimmo « 12 Dec 2017, 09:08
Replies: 3
by rollingheavy » 10 Dec 2017, 14:06

Hi all,
I have a jx 1.6 n/a diesel at present in my van which im looking to change for the 1.9 1y n/a diesel. I have read through the running thread...

3 Replies

2068 Views

Last post by ajsimmo
12 Dec 2017, 09:08
DG to DJ ?

Last post by Moonrakers « 09 Dec 2017, 22:48
Replies: 5
by woodguru » 06 Dec 2017, 16:13

Can anyone explain the basic differences between the DG and the DJ engines, apart from cc. I was considering replacing my knackered DG engine with a...

5 Replies

4302 Views

Last post by Moonrakers
09 Dec 2017, 22:48
engine swap for 1.8T

Last post by woodguru « 27 Nov 2017, 12:39
Replies: 4
by batesy16 » 19 Oct 2017, 11:43

I am possibly looking at swapping my 1.9dg out for a 1.8T engine.

I have the chance of buying a whole car for a good price, so would everything I...

4 Replies

4291 Views

Last post by woodguru
27 Nov 2017, 12:39
Ej20 or Ej 22 conversion

Last post by clarence « 20 Nov 2017, 18:56

by clarence » 20 Nov 2017, 18:56

Hi I’m looking for an experienced Mechanic/garage in Lancashire pref on the Fylde coast,to do a Subaru engine conversion to my T25 Westy,regards Craig

0 Replies

3158 Views

Last post by clarence
20 Nov 2017, 18:56
What air filter

Last post by Stovies « 20 Nov 2017, 07:00
Replies: 2
by Stovies » 19 Nov 2017, 19:36

As title says I have a 1.9 desiel polo Aef engine with a CS air intake manifold. So what is the number or an air filter to fit, as it's a bit of a...

2 Replies

1721 Views

Last post by Stovies
20 Nov 2017, 07:00
Jx 1.6 td oil leak

Last post by Al Housman « 17 Nov 2017, 22:20
Replies: 7
by jacko1967 » 11 Nov 2017, 18:41

Hi I have a jx1.6td which has just got an oil leak at the head gasket under / near the oil filter pipe work my questions are can i put something in...

7 Replies

4280 Views

Last post by Al Housman
17 Nov 2017, 22:20
1.9DG - AEF parts list

Last post by Stovies « 17 Nov 2017, 06:41
Replies: 20
by oliverriddett » 23 Jan 2017, 06:57
1

2
Hey fellow lunatics. Is anybody able to source me a list of exactly what I need for the said swap and where to find them? All help will be very much...
20 Replies

8404 Views

Last post by Stovies
17 Nov 2017, 06:41
starter motor noise 82 GTI engine

Last post by Oldiebut goodie « 16 Nov 2017, 10:00
Replies: 2
by soniquethedog » 02 Oct 2017, 16:29

hello all , i have just replaced my starter motor on my 82 T25 after it was getting really noisy and finally gave up , so i replaced it with the same...

2 Replies

1944 Views

Last post by Oldiebut goodie
16 Nov 2017, 10:00
Bellhousing hole?

Last post by waltraud « 15 Nov 2017, 22:40
Replies: 10
by waltraud » 11 Nov 2017, 19:59

Hi, can anyone confirm if this is a syncro bellhousing and if so as i’m using on a DG to AGG conversation should it be blanked off and, if yes does...

10 Replies

4574 Views

Last post by waltraud
15 Nov 2017, 22:40
EWP (electric water pump) radiator

Last post by garyd « 13 Nov 2017, 17:24
Replies: 10
by crazydiamond » 01 Nov 2017, 17:22

As a few of you know, ive fought (and lost) an ongoing battle with overheating on my Syncro. Talking to a few people around Busfest and other places,...

10 Replies

9885 Views

Last post by garyd
13 Nov 2017, 17:24
What am i missing from here.

Last post by ajsimmo « 05 Nov 2017, 23:44
Replies: 6
by pleasestartnow » 05 Nov 2017, 10:02

Hi all,

New fuel filter arrived to replace and there is a blank slot any ideas what is supposed to go in there?
1.9D engine. Have a free Sunday so...

6 Replies

3394 Views

Last post by ajsimmo
05 Nov 2017, 23:44
AAZ oil leak

Last post by lefty67 « 04 Nov 2017, 13:20
Replies: 5
by kevin930 » 28 Oct 2017, 21:23

Hi
Have a oil leak from cylinder head ventilation system. onclick= window.open(this.href);return false; hopefully this link will show it. It's coming...

5 Replies

3806 Views

Last post by lefty67
04 Nov 2017, 13:20
Oil light at startup

Last post by colinthefox « 03 Nov 2017, 16:39
Replies: 2
by johninleeds » 03 Nov 2017, 13:00

Hello,

I've got a 1984 diesel with a 1Y 1900 NA in it.

Did an oil change the other week (putting TRIPLE QX Mineral Diesel Engine Oil - 15W-40 in)...

2 Replies

2205 Views

Last post by colinthefox
03 Nov 2017, 16:39
advice on re wiring

Last post by Stovies « 03 Nov 2017, 12:55

by Stovies » 03 Nov 2017, 12:55

Hi All,
I have inherited a real mess of wiring for the conversion in the engine bay, I have about 3 relays that I have no clue what they do as of...

0 Replies

2228 Views

Last post by Stovies
03 Nov 2017, 12:55
Which bolt is the oil sump?

Last post by Ian Hulley « 01 Nov 2017, 22:40
Replies: 7
by pleasestartnow » 01 Nov 2017, 14:55

Hi all,

Quick question. Due an engine oil change and about to do it and there is two bolts in the oil container (not sure of ts proper name) that...

7 Replies

4762 Views

Last post by Ian Hulley
01 Nov 2017, 22:40
Time to "Subaruin" EJ20 or EJ25 in a Westy?

Last post by IainG « 31 Oct 2017, 13:39
Replies: 92
by printmonkey » 19 Apr 2016, 10:12
1

…

3

4

5

6

7
Morning, I'm getting ready to swap over to a Subaru engine. My 2.1 runs well (it's never let me down) but is down on power. To be honest I've always...
92 Replies

51222 Views

Last post by IainG
31 Oct 2017, 13:39
Exhaust options for EJ20

Last post by IainG « 31 Oct 2017, 13:30
Replies: 5
by jmdlister » 20 Sep 2017, 14:09

Hi Folks,

Haven't been around for a while, but my van has just failed its MOT due to a knackered exhaust (and a few other minor issues).

When I...

5 Replies

2890 Views

Last post by IainG
31 Oct 2017, 13:30
Loss of power on the motorway

Last post by pleasestartnow « 30 Oct 2017, 15:25
Replies: 4
by pleasestartnow » 30 Oct 2017, 13:48

Hi all,

1.9D

Just been travelling about the last 3 days in my van and in the last hour it felt like it was losing power, particularly when going...

4 Replies

2637 Views

Last post by pleasestartnow
30 Oct 2017, 15:25
AAZ Coversion To Do List

Last post by T25Kernow « 28 Oct 2017, 20:25
Replies: 4
by T25Kernow » 27 Oct 2017, 06:11

I've just taken an AAZ engine out of a Golf to be transplanted into our T25.

The engine is now on a stand and I'm drawing up a to do list of jobs...

4 Replies

3170 Views

Last post by T25Kernow
28 Oct 2017, 20:25
1.6 d to 1.9 d install help required in midlands

Last post by boatbuilder « 27 Oct 2017, 22:14
Replies: 8
by luke » 11 Oct 2017, 11:21

Hi, Looking for anyone out there who could help carry out an engine upgrade from original 1.6 non turbo diesel to a 1.9 non turbo diesel from a 1999...

8 Replies

4037 Views

Last post by boatbuilder
27 Oct 2017, 22:14
Subaru engines

Last post by slowcoach « 27 Oct 2017, 21:41
Replies: 1
by philmcC » 27 Oct 2017, 16:26

I have a 1.9 DG WB X engine in my autohomes komet. Goes very well though you have to change gears a bit going up steep hills. Thinking of the future...

1 Replies

1537 Views

Last post by slowcoach
27 Oct 2017, 21:41
Out of my depth: My engine isn't a JX

Last post by JonB « 26 Oct 2017, 21:46
Replies: 12
by JonB » 09 Oct 2017, 21:24

My van is currently at the garage after the engine blew its head gasket. I'd prepared myself for the worst and figured a new cylinder head maybe...

12 Replies

6066 Views

Last post by JonB
26 Oct 2017, 21:46
AAZ rocker cover leak - project

Last post by dekhelia « 26 Oct 2017, 13:11
Replies: 2
by dekhelia » 07 Oct 2017, 11:04

Right. The rocker cover on my AAZ has pretty much always had a leak. Well, more of a strong weep. Thin layer of oil on inlet manifold, induction...

2 Replies

1945 Views

Last post by dekhelia
26 Oct 2017, 13:11
Anyone running lpg on an AGG?

Last post by waltraud « 23 Oct 2017, 08:59
Replies: 2
by waltraud » 22 Oct 2017, 21:25

Anyone running lpg on an AGG? I have a Blos unit on my DG and hoping that someone has used a Blos to run the gti engine on Gas?

Sent from my...

2 Replies

1968 Views

Last post by waltraud
23 Oct 2017, 08:59
Clutch for 1Y engine replacement?

Last post by Aidan « 19 Oct 2017, 13:30
Replies: 18
by soundhound » 18 Oct 2016, 09:48
1

2
hello folks

I have a 1985 T25 which had a 1.6D engine until the cooling system went to pot.
so I have put in a 1Y engine, a 1.9D Seat Inca.
the...
18 Replies

9106 Views

Last post by Aidan
19 Oct 2017, 13:30
Temperature gauge not working

Last post by sandyman « 14 Oct 2017, 21:09

by sandyman » 14 Oct 2017, 21:09

Since fitting an aaz into my T25 the temp gauge has never really worked- it's only ever registered a tiny bit. To someone who didn't know it seems as...

0 Replies

2469 Views

Last post by sandyman
14 Oct 2017, 21:09
timing belt change

Last post by jas915 « 09 Oct 2017, 17:01
Replies: 2
by jas915 » 07 Oct 2017, 16:17

Hi made a start on changing the timing belt on my AAZ, can the crank alternator pulley be removed without taking the silencer off? Im sure i didn't...

2 Replies

1890 Views

Last post by jas915
09 Oct 2017, 17:01

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