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

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Last post

Excessive oil usage in 1.9 diesel (1Y)

Last post by discipleofsketch « 13 Aug 2013, 11:14
Replies: 7
by discipleofsketch » 11 Aug 2013, 21:37

Just back from a 1000+ mile road trip up through France from Santander. Apart from a fuel line issue , the van performed great, fully loaded, 3...

7 Replies

3382 Views

Last post by discipleofsketch
13 Aug 2013, 11:14
Clutch change

Last post by California Dreamin « 12 Aug 2013, 19:32
Replies: 2
by BigBirtha » 30 Jul 2013, 16:42

Hi,
I need to replace my clutch on a 1.9td. Does the engine have to come out for this or is it possible to just drop the gear box out the way? Also...

2 Replies

1218 Views

Last post by California Dreamin
12 Aug 2013, 19:32
formerly Intermittent problem with diesel 1.9 1Y

Last post by discipleofsketch « 11 Aug 2013, 21:16
Replies: 15
by discipleofsketch » 23 Jul 2013, 19:05
1

2
I've got an intermittent issue on my normally aspirated diesel 1.9 1Y engine from a golf, where suddenly it will start running unevenly at higher...
15 Replies

9486 Views

Last post by discipleofsketch
11 Aug 2013, 21:16
AAZ, Oil pipe from Filter to Turbo

Last post by axeman « 11 Aug 2013, 20:36
Replies: 5
by syncro up » 06 Aug 2013, 11:28

Hi Guys

I have an AAZ in the Syncro single cab, conversion was done before I got it so dont know whats been used to make the conversion but its run...

5 Replies

3342 Views

Last post by axeman
11 Aug 2013, 20:36
AAZ Injection pump problem?

Last post by jimmy1039 « 11 Aug 2013, 15:41
Replies: 3
by joker club westie » 06 Jul 2013, 23:48

Hello

I have been swapping a knackered JX engine (the big ends have gone) for a AAZ.

The engine is all in and I got it running on Friday but have a...

3 Replies

1966 Views

Last post by jimmy1039
11 Aug 2013, 15:41
16JX to 1.9AAZ recap question

Last post by jes*b « 11 Aug 2013, 07:09
Replies: 11
by SteveIves » 08 Aug 2013, 20:45

I'm sure all this information is in here somewhere but the only definite answer I found was that the upgrade is easy and that the JX fuel pump is OK...

11 Replies

6122 Views

Last post by jes*b
11 Aug 2013, 07:09
What sort of power can the automatic gearbox can survive.

Last post by Zebedee « 10 Aug 2013, 10:40
Replies: 6
by Zebedee » 08 Aug 2013, 10:40

Does anyone know what sort of BHP and most importantly torque the automatic gearbox can survive?

Will 225 lb/ft be too much for it?

6 Replies

2589 Views

Last post by Zebedee
10 Aug 2013, 10:40
oil pressure buzzer on AAZ help!

Last post by conkers « 08 Aug 2013, 20:05
Replies: 5
by conkers » 01 Aug 2013, 19:59

I have the high rev/oil pressure light going off.....
I changed the oil - took well over 5 l of oil out of it (should only have 4.5 I believe) and...

5 Replies

2437 Views

Last post by conkers
08 Aug 2013, 20:05
Jx to 2.0L 8v agg etc wiring help needed

Last post by riffboy « 07 Aug 2013, 09:15
Replies: 2
by Cyrus » 05 Aug 2013, 11:36

Ok, I'm going to opt to upgrade to a golf gti engine.
loom and bits should be here by this weekend with any luck.
can any one help me of what wires I...

2 Replies

2246 Views

Last post by riffboy
07 Aug 2013, 09:15
apologies but...........

Last post by docklad « 06 Aug 2013, 14:51
Replies: 8
by docklad » 06 Aug 2013, 10:31

what page is the drawing of the cambelt setting on the bentley download? the mind doth gone blank. cheers in advance

8 Replies

2940 Views

Last post by docklad
06 Aug 2013, 14:51
ahu engine

Last post by T3Aljezur « 06 Aug 2013, 11:30
Replies: 1
by marc rio » 01 Aug 2013, 16:25

hi has any one fitted an ahu into a 1.6cs engine bus if so is it an easy swap wiring etc & can u use manifolds & turbo that come with the engine...

1 Replies

1232 Views

Last post by T3Aljezur
06 Aug 2013, 11:30
Fuel pump question

Last post by Bigjcc55 « 05 Aug 2013, 16:57
Replies: 3
by Bigjcc55 » 21 Jul 2013, 13:42

My 91 panel van was converted from a jx to an aaz by the previous owner, I am now trying to sort out a few issues with it as I go.

My question is...

3 Replies

1724 Views

Last post by Bigjcc55
05 Aug 2013, 16:57
Help I need someone in Cardiff!!!

Last post by tforturton « 05 Aug 2013, 15:58
Replies: 2
by Hammy82 » 04 Aug 2013, 10:33

I really could do with someone who's is able to do some work on my t25 in Cardiff. I think we may have a split cylinder or head gasket gone!!! Please...

2 Replies

1358 Views

Last post by tforturton
05 Aug 2013, 15:58
cilinderhead

Last post by Zebedeus « 02 Aug 2013, 19:28

by Zebedeus » 02 Aug 2013, 19:28

Hello,

In Holland there is a rumour that it is possible to replace the cilinderhead complete with the from a Golf 1.6TD MK1 or a Golf 2 1.6TD...

0 Replies

1001 Views

Last post by Zebedeus
02 Aug 2013, 19:28
AAZ and buzzer of doom.

Last post by Oldiebut goodie « 30 Jul 2013, 10:42
Replies: 6
by Custom & Bespoke » 28 Jul 2013, 20:36

AAZ recently installed, 450 miles ago, alternator found to be faulty so changed that, once the new one was fitted I have had the oil light and buzzer...

6 Replies

2485 Views

Last post by Oldiebut goodie
30 Jul 2013, 10:42
AAZ engine number

Last post by brandygangster « 30 Jul 2013, 08:18
Replies: 2
by brandygangster » 29 Jul 2013, 18:05

Hi Guys

Im having a bit of trouble trying to make out the engine number on my aaz. Does anyone know how many digits it has after the prefix AAZ....

2 Replies

2256 Views

Last post by brandygangster
30 Jul 2013, 08:18
Subaru Power or Diesel Conversion that is the question.

Last post by Trundler « 29 Jul 2013, 17:33
Replies: 5
by danreimo » 13 Jul 2013, 17:46

Been a while since I was last on here.
so after some advice from the wise, Club 80-90 members.

My old original 2.1 DJ is on its way out and showing...

5 Replies

2394 Views

Last post by Trundler
29 Jul 2013, 17:33
how can i tell if my aaz has the jx oil pump and pickup?

Last post by conkers « 29 Jul 2013, 08:57
Replies: 2
by conkers » 28 Jul 2013, 19:41

I have a professional looking conversion but just want to find out to put my mind at rest... :)

2 Replies

1527 Views

Last post by conkers
29 Jul 2013, 08:57
AFN tdi install what other parts do I require?

Last post by youthy giblets « 28 Jul 2013, 22:01
Replies: 18
by youthy giblets » 24 Jul 2013, 19:26
1

2
Just toting with the idea of swapping the pug motor out for a chipped afn. I have currently got chance of an A4 donor for free and have the following...
18 Replies

13561 Views

Last post by youthy giblets
28 Jul 2013, 22:01
Tdi troubles....

Last post by monsho « 28 Jul 2013, 20:54
Replies: 9
by max and caddy » 07 Jul 2013, 22:18

Thought I would take the opertinity to show some of the common tdi issues that can afflict these actually very reliable engines if maintained...

9 Replies

5183 Views

Last post by monsho
28 Jul 2013, 20:54
Clutch troubles AAZ 1.9 td conversion

Last post by max and caddy « 27 Jul 2013, 22:13
Replies: 9
by ELSwervo » 16 Jul 2013, 10:10

Hello All,

I have had some West country fun with my van driving back home to Hants at 5mph up any hill due to my clutch slipping a little .
It...

9 Replies

6713 Views

Last post by max and caddy
27 Jul 2013, 22:13
Anyone in Coventry?

Last post by alfachris « 25 Jul 2013, 12:46
Replies: 4
by Beastman » 17 Jul 2013, 20:37

Hi is there anyone in Coventry or surrounding area that knows about t25 engines? Would be willing to come and listen/look at it?
My phone number is...

4 Replies

2414 Views

Last post by alfachris
25 Jul 2013, 12:46
engine and gearbox removal

Last post by vandad « 23 Jul 2013, 23:33
Replies: 2
by Dynamite-dindin » 19 Jul 2013, 15:51

hi all I need to take the engine and gearbox out of my t25 van it is a aaz engine. I assume that It will all drop out of the bottom how high will I...

2 Replies

1348 Views

Last post by vandad
23 Jul 2013, 23:33
AAZ loss of drive in 4th and 5th

Last post by Aidan « 23 Jul 2013, 05:20
Replies: 3
by BigBirtha » 22 Jul 2013, 14:51

Hi,
I had an aaz fitted 6month ago and have had to change the turbo recently. Since it was done when I put my foot down in 4th or 5th the engine revs...

3 Replies

1627 Views

Last post by Aidan
23 Jul 2013, 05:20
Porsche Boxster

Last post by chuckle-bus-tom « 20 Jul 2013, 13:10
Replies: 2
by chuckle-bus-tom » 20 Jul 2013, 09:12

I'm going to try and go for this engine conversion. Pricing up the donor it looks similar to the cost of a Subaru, but obviously the work is going to...

2 Replies

1465 Views

Last post by chuckle-bus-tom
20 Jul 2013, 13:10
aaz engine dipstick

Last post by VWGeoff « 19 Jul 2013, 21:17
Replies: 8
by Dynamite-dindin » 21 Apr 2013, 19:01

hi, i have got a aaz engine dipstick and its not long enough do i need to cut down the dipstick tube and if so how much do i have to cut off

8 Replies

5677 Views

Last post by VWGeoff
19 Jul 2013, 21:17
recondition an engine?

Last post by MattBW « 18 Jul 2013, 10:51
Replies: 2
by Beastman » 17 Jul 2013, 21:16

Hi is there anyone that can recondition an engine or know where's the best place to go?
Many thanks
Alex

2 Replies

1453 Views

Last post by MattBW
18 Jul 2013, 10:51
***

Last post by sandancer « 15 Jul 2013, 17:47
Replies: 2
by sandancer » 09 Jul 2013, 22:14

Where will i

2 Replies

1164 Views

Last post by sandancer
15 Jul 2013, 17:47
AAZ Alternator, which wires ?

Last post by Custom & Bespoke « 15 Jul 2013, 15:35
Replies: 4
by Custom & Bespoke » 14 Jul 2013, 09:05

Just installed an AAZ and need to confirm the wiring to the alternator, I have searched the forum but with no exact answer. I have a large red (+)...

4 Replies

3008 Views

Last post by Custom & Bespoke
15 Jul 2013, 15:35
Heart transplant

Last post by max and caddy « 14 Jul 2013, 18:26
Replies: 7
by Trunkster » 11 Jul 2013, 07:45

Hi guys. I posted a thread at the start of the year titled heart transplant so time for an update. I had a 2l CU air cooled in a 1981 Viking...

7 Replies

2629 Views

Last post by max and caddy
14 Jul 2013, 18:26
****?

Last post by sandancer « 11 Jul 2013, 20:55
Replies: 15
by sandancer » 06 Jul 2013, 18:36
1

2
AAZ 1.9TD T25 camper
15 Replies

6015 Views

Last post by sandancer
11 Jul 2013, 20:55
anyone done a 1z TDI conversion

Last post by pirate-pete « 10 Jul 2013, 21:20
Replies: 5
by daddiehomiedog » 04 Jul 2013, 21:05

Hi all,

Got a 1994 Golf TDI donor, just need a pointer as im sure there must be a thread already on this, i just cannot find one anywhere, and its...

5 Replies

2855 Views

Last post by pirate-pete
10 Jul 2013, 21:20
*****

Last post by sandancer « 09 Jul 2013, 20:21

by sandancer » 09 Jul 2013, 20:21

Where will i find

0 Replies

910 Views

Last post by sandancer
09 Jul 2013, 20:21
HELP!!! Choke cable & throttle cable issues...

Last post by lowlifedubz « 08 Jul 2013, 03:20
Replies: 5
by lowlifedubz » 07 Jul 2013, 00:59

OK a bit random but does anyone know where I can get an extra long choke cable from for a T25? I have fitted an 1800 8v Audi engine in my bus and I...

5 Replies

5518 Views

Last post by lowlifedubz
08 Jul 2013, 03:20
AAZ Throttle lever stop.

Last post by Custom & Bespoke « 07 Jul 2013, 07:34

by Custom & Bespoke » 07 Jul 2013, 07:34

Hi, having just installed a Golf AAZ lump I wasn't overly impressed with the performance and felt that it wasn't accelerating fully and struggled to...

0 Replies

1111 Views

Last post by Custom & Bespoke
07 Jul 2013, 07:34
***

Last post by sandancer « 05 Jul 2013, 21:51
Replies: 2
by sandancer » 04 Jul 2013, 20:21

AAZ 1.9TD

2 Replies

1134 Views

Last post by sandancer
05 Jul 2013, 21:51
Any feedback on work done on these garages please?

Last post by 4gearwonder « 05 Jul 2013, 18:33

by 4gearwonder » 05 Jul 2013, 18:33

Evening all,

Quick post here...but our 1Y, 1.9 Diesel conversion in '84 Bilbo has gone well sick with big end trouble yesterday :(

After much...

0 Replies

1032 Views

Last post by 4gearwonder
05 Jul 2013, 18:33
Engine slows down and stops

Last post by watson_martin « 05 Jul 2013, 12:27
Replies: 2
by watson_martin » 05 Jul 2013, 07:06

Has happened a little after a right hand turn. The engine loses power if I switch off then switch on the engine is back to life and power. fuel tank...

2 Replies

1308 Views

Last post by watson_martin
05 Jul 2013, 12:27
What gearbox should I be buying?

Last post by polish van ben « 05 Jul 2013, 07:08
Replies: 16
by polish van ben » 27 Jun 2013, 11:37
1

2
Hi guys
Gearbox has given up so looking for second hand one. Problem is not sure what to go for.

When the original 1.6 jx set up was replaced with a...
16 Replies

11200 Views

Last post by polish van ben
05 Jul 2013, 07:08
Golf 1z into my van

Last post by syncroandy « 04 Jul 2013, 22:47
Replies: 3
by daddiehomiedog » 03 Jul 2013, 21:30

Hi all,

Just been donated a 1994 golf with a 1.9 tdi 1z engine, i have stripped out wiring and pedals will be out soon, what i need to know...

3 Replies

2164 Views

Last post by syncroandy
04 Jul 2013, 22:47
engine failure

Last post by bogie bus « 04 Jul 2013, 21:49
Replies: 13
by bogie bus » 04 Jul 2013, 10:23

hi everybody this is my first post and i'm crap with the computer, so should be fun :) i've had my westy now for three years doing a lot to him, as...

13 Replies

3105 Views

Last post by bogie bus
04 Jul 2013, 21:49
X&B Motors anyone had experience of them?

Last post by viva3131 « 04 Jul 2013, 18:57

by viva3131 » 04 Jul 2013, 18:57

Hi All Thinking about sending the van there for engine replacement aaz for my jx …Has anyone had any experience of X&B motors in Essex? the...

0 Replies

999 Views

Last post by viva3131
04 Jul 2013, 18:57
t25 gearbox problems help needed

Last post by Dynamite-dindin « 03 Jul 2013, 21:20
Replies: 3
by Dynamite-dindin » 03 Jul 2013, 19:36

Hi
I'm having problems with my clutch / gearbox I can select every gear fine but when I fully release clutch pedal the whole van vibrates and I get...

3 Replies

2704 Views

Last post by Dynamite-dindin
03 Jul 2013, 21:20
Hi all Possible new Engine!

Last post by viva3131 « 03 Jul 2013, 18:49
Replies: 4
by viva3131 » 03 Jul 2013, 17:52

Hi guys and gals!!! I am new to the t25 world and went on my first outing in my 1989 california high top last weekend!! Never gone campervanning and...

4 Replies

1436 Views

Last post by viva3131
03 Jul 2013, 18:49
The Ogre of Valve Seat Recession

Last post by Smcknighty « 03 Jul 2013, 12:26
Replies: 1
by Trundler » 03 Jul 2013, 11:12

During my (forensic) investigations into the pros and cons of doing a Subaru 2.5 conversion or keeping the 2.1 litre wasserboxer I uncovered the...

1 Replies

2539 Views

Last post by Smcknighty
03 Jul 2013, 12:26
Decreasing idle speed on AAZ after fuelling increase

Last post by ELVIS « 03 Jul 2013, 09:07
Replies: 2
by airhead » 02 Jul 2013, 19:07

Is there a way of decreasing the idle speed after increasing the fuelling on an AAZ pump? The idle stop on the throttle lever doesn't have an effect....

2 Replies

1452 Views

Last post by ELVIS
03 Jul 2013, 09:07
1.6 CR to 1.9 1Y conversion issues

Last post by sword70 « 02 Jul 2013, 14:05
Replies: 6
by sword70 » 25 Jun 2013, 14:39

I have just got out type 25 mot'd for the first time since 1994 so well chuffed with myself but now trying to sort out some niggles.

Firstly the...

6 Replies

2258 Views

Last post by sword70
02 Jul 2013, 14:05
Rjes Headers

Last post by Oilline « 02 Jul 2013, 13:54

by Oilline » 02 Jul 2013, 13:54

Does anybody have a pair of the Rjes cast headers that he used to sell for a Subaru conversion??

0 Replies

943 Views

Last post by Oilline
02 Jul 2013, 13:54
*****

Last post by sandancer « 01 Jul 2013, 19:57
Replies: 9
by sandancer » 26 Jun 2013, 21:11

got a t25

9 Replies

3288 Views

Last post by sandancer
01 Jul 2013, 19:57
Resident TDi expert?? I have a question..

Last post by toomanytoys « 01 Jul 2013, 16:52
Replies: 16
by toomanytoys » 05 Jun 2013, 09:14
1

2
Not an alternative engine swap.. but calling on the TDi knowledge base for a poss solution.
Bro's Passat 2L TDi 170 keeps throwing EGR faults and...
16 Replies

10494 Views

Last post by toomanytoys
01 Jul 2013, 16:52

New Topic

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