T25 Alternative Engine Forum

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Last post

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

3049 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

2775 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

3315 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

4209 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

1637 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

6323 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

2060 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

2136 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

9466 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

2561 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

2004 Views

Last post by jas915
09 Oct 2017, 17:01
matsles

Last post by R0B « 08 Oct 2017, 16:07
Replies: 10
by matsles » 16 Jan 2013, 00:01

10 Replies

4660 Views

Last post by R0B
08 Oct 2017, 16:07
Bad earth

Last post by danmetallic « 08 Oct 2017, 14:55
Replies: 3
by dogbreath100 » 04 Oct 2017, 16:52

Hi ,
I have a slight if not annoying problem with my van .
It's an 84 with a 1.9 Diesel engine . I think that I have a bad earth somewhere .
Am I...

3 Replies

3537 Views

Last post by danmetallic
08 Oct 2017, 14:55
Exhaust

Last post by RogerT « 08 Oct 2017, 12:21
Replies: 2
by stephen t25 » 08 Oct 2017, 09:35

Hi all,

I’m looking to treat my 1.9 TDI 1z Whitestar to a new exhaust, what am my options, I’m assuming it will be the same as a standard DG system...

2 Replies

2085 Views

Last post by RogerT
08 Oct 2017, 12:21
t25 2.0 8v gti lumpy running and noisy fuel pump

Last post by Titus A Duxass « 03 Oct 2017, 15:08
Replies: 9
by soniquethedog » 10 Feb 2017, 21:16

hello , i am struggling to find out what is wrong with my t25 gti 2.0l 8v conversion , its been fine since the conversion 4 years ago , it started a...

9 Replies

4618 Views

Last post by Titus A Duxass
03 Oct 2017, 15:08
Steering pump issues AAZ conversion

Last post by wolfbus.uk « 28 Sep 2017, 23:23
Replies: 3
by wolfbus.uk » 28 Sep 2017, 10:54

Hi hoping someone can help with this;

My mechanic has got the early AAZ engine in my previous JX syncro. We are keeping the serpentine belt set up...

3 Replies

2508 Views

Last post by wolfbus.uk
28 Sep 2017, 23:23
Which dipstick JX or AAZ?

Last post by wolfbus.uk « 24 Sep 2017, 12:18

by wolfbus.uk » 24 Sep 2017, 12:18

Hi all
Can someone advise me. When changing from JX Engine to AAZ which dipstick is used the JX one or the AAZ. Really worried about getting that...

0 Replies

2405 Views

Last post by wolfbus.uk
24 Sep 2017, 12:18
"bar-steward" joke read Somerset help with engine conversions

Last post by colinthefox « 23 Sep 2017, 14:56
Replies: 15
by gin23deluxe » 13 Aug 2017, 08:10
1

2
Hi guys I'm looking to do a conversion on my Bus from 1.6 JX TD head gaskets gone
Looking for help from other folk that have done the job themselves...
15 Replies

9019 Views

Last post by colinthefox
23 Sep 2017, 14:56
what engine DF or DG

Last post by Ian Hulley « 27 Sep 2017, 19:14
Replies: 7
by Wear Sunscreen » 20 Sep 2017, 20:10

What are peoples views on changing a DF 1.9 for a DG 1.9.
What are the pitfalls, if any, of this slight upgrade.

7 Replies

4520 Views

Last post by Ian Hulley
27 Sep 2017, 19:14
Help!!! New oil pump binding when fitting on aaz???

Last post by wolfbus.uk « 18 Sep 2017, 13:41
Replies: 5
by wolfbus.uk » 12 Sep 2017, 11:21

The new oil pump I have from Brickwerks turns freely on the bench but when lightly tightened into the aaz block(not in vehicle yet) becomes quite...

5 Replies

3576 Views

Last post by wolfbus.uk
18 Sep 2017, 13:41
GEARBOX for 1.9D (AHU)

Last post by Aidan « 13 Sep 2017, 06:36
Replies: 1
by alexlug » 13 Sep 2017, 02:52

Hello,

The gearbox in our 1991 lovely Holdsworth Villa T25 died somewhere in France

We have finally got her back and will have to...

1 Replies

1777 Views

Last post by Aidan
13 Sep 2017, 06:36
aaz 1.9td serpentine belt noise

Last post by toddylaguna « 12 Sep 2017, 20:12
Replies: 6
by toddylaguna » 11 Sep 2017, 20:31

Hi All

I have a doka with a 1.9td aaz engine installed. It has been making a noise from the serpentine belt area for a while. Not a screeching...

6 Replies

3707 Views

Last post by toddylaguna
12 Sep 2017, 20:12
Ticking over lumpy

Last post by cwe « 10 Sep 2017, 10:29
Replies: 2
by cwe » 09 Sep 2017, 13:21

Hi got a Subaru EJ20 and drives ok but when I'm at a standstill after a run in it it's seems to be idling very lumpy now up and down with the revs...

2 Replies

2421 Views

Last post by cwe
10 Sep 2017, 10:29
Engine

Last post by Aidan « 09 Sep 2017, 10:42
Replies: 3
by Jay68 » 08 Sep 2017, 17:49

I am looking at replacing my engine in my Syncro.
At present I have a AAZ 1.9td but am looking for something a little bigger.
Any suggestions ?

3 Replies

4190 Views

Last post by Aidan
09 Sep 2017, 10:42
Engine ticking over lumpy and white smoke

Last post by lefty67 « 07 Sep 2017, 14:04
Replies: 3
by Tracy&Andy » 30 Aug 2017, 19:54

Hi guys

We recently noticed a small fuel leak coming from the diesel pump (Passat engine 1.9Td, probably 1996/7) so took it off to get it fixed by...

3 Replies

3166 Views

Last post by lefty67
07 Sep 2017, 14:04
subaru engine

Last post by Da dan « 04 Sep 2017, 20:27
Replies: 4
by Wear Sunscreen » 03 Sep 2017, 19:42

Hi, what's peoples thoughts on installing a Subaru engine as a replacement for a 1900cc water cooled?

4 Replies

2949 Views

Last post by Da dan
04 Sep 2017, 20:27
Screeching water pump

Last post by dogbreath100 « 02 Sep 2017, 17:16
Replies: 5
by dogbreath100 » 19 Aug 2017, 15:27

My van 1.9 straight diesel 1 Y has developed a screeching noise from starting .
It usually lasts 45 to 60 seconds and then all is good .
Van doesn't...

5 Replies

2948 Views

Last post by dogbreath100
02 Sep 2017, 17:16
Aaz vs Jx Lda

Last post by wolfbus.uk « 01 Sep 2017, 19:27
Replies: 5
by wolfbus.uk » 29 Aug 2017, 18:45

I'm converting my syncro 1.6td to a 1.9td aaz. We're going to use the aaz pump but not sure if I will need any parts such as the Jx lda to make it...

5 Replies

3778 Views

Last post by wolfbus.uk
01 Sep 2017, 19:27
TDI Swap build threads

Last post by nevill3 « 30 Aug 2017, 17:47
Replies: 1
by volks_womble » 30 Aug 2017, 10:46

I want to swap the jx in our Westy for something with a bit more go. I think that the best bet for me would be to go down the AFN/AHF route.

I...

1 Replies

1525 Views

Last post by nevill3
30 Aug 2017, 17:47
AAZ Connecting Rods

Last post by aerovolito « 28 Aug 2017, 14:27

by aerovolito » 28 Aug 2017, 14:27

My early AAZ has a bent conrod and I have a spare but it is from a later engine. I know they are slightly different but am I safe to use it? Also, is...

0 Replies

2823 Views

Last post by aerovolito
28 Aug 2017, 14:27
Need to reduce boost as get-me-home 1z engine

Last post by pirate-pete « 26 Aug 2017, 13:16
Replies: 3
by pirate-pete » 25 Aug 2017, 15:20

On hols in France and all well until yesterday. Had the boost pipe to intercooler pop off seven times on our 300 km journey. On my conversion the...

3 Replies

3299 Views

Last post by pirate-pete
26 Aug 2017, 13:16
Oil change on AAZ

Last post by Middle29 « 25 Aug 2017, 20:32
Replies: 2
by Middle29 » 24 Aug 2017, 11:26

I'm about to do an oil change on an AAZ. Am I correct in assuming 4.5l if I change the oil filter?

I understand an AAZ conversion can have a...

2 Replies

2880 Views

Last post by Middle29
25 Aug 2017, 20:32
1z TDI intercooler

Last post by KINGPRAWN « 25 Aug 2017, 11:03
Replies: 1
by KINGPRAWN » 16 Aug 2017, 19:23

Would anybody happen to know the OE hose diameter of the hoses that connect to the manifold to cooler ( manifold end)... thanks

1 Replies

1824 Views

Last post by KINGPRAWN
25 Aug 2017, 11:03
The Toad's DG to AGG Gti Conversion

Last post by rett « 23 Aug 2017, 22:40
Replies: 88
by badgerfax » 14 Apr 2015, 21:21
1

2

3

4

5

6
I don't know if anyone will be interested in this thread seeing as there is an identical conversion being done by Syncropatrick but did not want to...
88 Replies

61039 Views

Last post by rett
23 Aug 2017, 22:40
Temperature gauge red flashing light

Last post by slowcoach « 22 Aug 2017, 10:04
Replies: 4
by neilh » 15 Aug 2017, 13:07

Hi all

I have successfully installed a Subaru EJ20 into my van, and it runs brilliantly, making hills a doddle now!
I've been back on the road a...

4 Replies

2832 Views

Last post by slowcoach
22 Aug 2017, 10:04
AAZ CONVERSION SUMP BOLT TORQUE SETTING

Last post by PipH657HPE « 16 Aug 2017, 21:28

by PipH657HPE » 16 Aug 2017, 21:28

Hi, can anybody please tell me the torque setting of the sump bolts that fix the sump onto the block, standard aaz conversion from a jx, also torque...

0 Replies

2193 Views

Last post by PipH657HPE
16 Aug 2017, 21:28
Tdi cruise control

Last post by Blue str « 15 Aug 2017, 09:36

by Blue str » 15 Aug 2017, 09:36

Hi there.
I have a 1.9ahu fitted in my van.
When it was converted I had a cruise stalk fitted.
I have never really used it.
How exactly should it...

0 Replies

1918 Views

Last post by Blue str
15 Aug 2017, 09:36
Engine replacement dilemma

Last post by theladfromleigh « 13 Aug 2017, 17:57
Replies: 8
by MinionBob » 04 Feb 2016, 21:30

Dear all,

I'm a bit of a novice to the full workings of engines but am enjoying(!) finding out. Following coolant leak and general non-starting our...

8 Replies

6141 Views

Last post by theladfromleigh
13 Aug 2017, 17:57
AFN Pedal position sensor problem

Last post by spanishfly « 05 Aug 2017, 17:28
Replies: 9
by spanishfly » 04 Jun 2017, 15:27

Hi
I'm learning a bit more everyday thanks to this forum!
Today I'm trying to get my throttle to respond in first.
Van has an AFN from 1998 Passat...

9 Replies

4673 Views

Last post by spanishfly
05 Aug 2017, 17:28
EA827 or EA111 Golf Engine in T25?

Last post by R0B « 03 Aug 2017, 21:59
Replies: 1
by Timmo » 03 Aug 2017, 21:11

Hi (if you can help please)
I have a T25 JX 1.6 TD.
I am trying to plan an engine swap for it for the following reasons.
Less than 1549 cc = 150 Car...

1 Replies

2286 Views

Last post by R0B
03 Aug 2017, 21:59
VW Lupo Intermittent fault - 1.4 petrol BBY engine

Last post by scaltura « 03 Aug 2017, 19:29
Replies: 5
by JustSharon » 03 Aug 2017, 18:22

Not T25 but VW, Georgia's 1.4 Lupo (petrol) has an intermittent fault - rough idling, "pooh" to start, like missing especially when it's damp outside....

5 Replies

4381 Views

Last post by scaltura
03 Aug 2017, 19:29
Rad fan cooling

Last post by vwaddict « 03 Aug 2017, 19:04
Replies: 7
by vwaddict » 17 Jun 2017, 23:49

I have a water cooled t25 which was a jx but now has a AGG conversion fitted, my temperature gauge allways sits just over 3/4 even when the jx was...

7 Replies

3988 Views

Last post by vwaddict
03 Aug 2017, 19:04
Is this the answer to post 2040 lol ;-)

Last post by hightop ratty « 02 Aug 2017, 11:01

by hightop ratty » 02 Aug 2017, 11:01

Is this the answer to alternative engines post 2040 ?!?!?!

High Performance Plug-In Hybrid - GTE DSG

Volkswagen Golf GTE

1.4 TSi (204ps) GTE...

0 Replies

1916 Views

Last post by hightop ratty
02 Aug 2017, 11:01
Various Engine Sensor Woes

Last post by bmouthboyo « 02 Aug 2017, 08:17
Replies: 2
by bmouthboyo » 31 Jul 2017, 17:26

Background Info
My van was originally a DG but in the early 90's a previous owner was on of the first people to put a GTI in a T25. As such I have a...

2 Replies

2965 Views

Last post by bmouthboyo
02 Aug 2017, 08:17
Aircooled to 2.0agg

Last post by multisi « 30 Jul 2017, 13:51
Replies: 3
by bens_cab » 26 Jul 2017, 17:46

Right I've collected all the parts I need from two donor vehicles I want to retain my Aircooled gearbox which I think is a dk now I'm to use later...

3 Replies

1880 Views

Last post by multisi
30 Jul 2017, 13:51
saggy back end/rear spring query

Last post by RogerT « 30 Jul 2017, 11:06
Replies: 9
by green thing » 23 Jul 2017, 08:55

Since fitting a 1.9 tdi a few years ago the back end is a bit lower than it should be, especially when it`s loaded up. Mine is `80 so maybe the...

9 Replies

4893 Views

Last post by RogerT
30 Jul 2017, 11:06
Injection pump timing tool needed

Last post by Funbus « 17 Jul 2017, 14:52

by Funbus » 17 Jul 2017, 14:52

Hi all.
I'm after timing tools for Bosch fuel injection pump on aaz engine. A loan would be ideal, I'm located Middlesbrough (and will obviously...

0 Replies

1995 Views

Last post by Funbus
17 Jul 2017, 14:52
Oil grade for AFN Tdi

Last post by randolph57 « 15 Jul 2017, 08:49
Replies: 4
by peteandnero » 13 Jul 2017, 21:39

Hi, I wondered what the opinions of more expert members would be on the best oil grade for Tdi conversion with around 130bhp. This was a fully...

4 Replies

4064 Views

Last post by randolph57
15 Jul 2017, 08:49
Accelerator Cable needed for 1.8 Gti Conversion?

Last post by bmouthboyo « 14 Jul 2017, 11:58
Replies: 5
by bmouthboyo » 01 Feb 2017, 15:08

Hi Guys,

I need to replace the accelerator cable for my Gti conversion as the part under the pedal was damaged when welding. I am not sure if I buy...

5 Replies

3857 Views

Last post by bmouthboyo
14 Jul 2017, 11:58

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