T25 Alternative Engine Forum

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Original 1.6 head on 1y

Last post by smith748 « 06 Oct 2014, 06:33
Replies: 1
by smith748 » 19 Aug 2014, 21:25

Hi all now correct me if I'm wrong but could a fit my head off my 1.6 to 1.9 out of mk3 golf think its the 1y. Reason I ask is head it cracked on...

1 Replies

1018 Views

Last post by smith748
06 Oct 2014, 06:33
MTDI Where Does This Pipe Go?

Last post by GoldSyncro « 04 Oct 2014, 13:06
Replies: 4
by GoldSyncro » 21 Sep 2014, 12:10

Whilst sorting out an unrelated issue I came across an unattached pipe which originates from the turbo. I assume it originally connected to the N75...

4 Replies

2380 Views

Last post by GoldSyncro
04 Oct 2014, 13:06
AAZ conversion with leaky sump

Last post by HarryMann « 04 Oct 2014, 11:25
Replies: 8
by H.Mc » 15 Sep 2014, 11:20

Hi All, after a good few months we finally finsihed my AAZ conversion on my van... it runs beautifully and can now travel up hills on the motorway...

8 Replies

3687 Views

Last post by HarryMann
04 Oct 2014, 11:25
The clutch killer. New specs and ideas needed.

Last post by HarryMann « 04 Oct 2014, 11:09
Replies: 18
by poshbuggers » 19 Sep 2014, 09:25
1

2
18 months in with my Golf 2.0l GTI 8v AGG conversion.

It's been a dream in general use, returning good mpg, power and reliability....but it isn't...
18 Replies

6207 Views

Last post by HarryMann
04 Oct 2014, 11:09
jx airbox relocation on aaz conversion.

Last post by HarryMann « 04 Oct 2014, 10:50
Replies: 4
by PipH657HPE » 28 Sep 2014, 10:49

hi, on with my aaz conversion, and with using the aaz inlet manifold have now found the air box will not fit where it was previously, have read on...

4 Replies

2608 Views

Last post by HarryMann
04 Oct 2014, 10:50
spare ECU/more modern ECU for 1z?

Last post by discipleofsketch « 02 Oct 2014, 13:04
Replies: 4
by discipleofsketch » 30 Sep 2014, 09:17

I was wondering if it is a straight swap if I wanted to swap my ECU for a later one? Mine is from a 1995 golf and isn't proper OBDII, so i'd like to...

4 Replies

2369 Views

Last post by discipleofsketch
02 Oct 2014, 13:04
Which diesel engine mount do I have?

Last post by mig « 29 Sep 2014, 09:21
Replies: 3
by mig » 26 Sep 2014, 11:24

My complete diesel conversion kit came with 2 LH ( I think) engine mounts

They have different brackets fitted,any one know which is correct?
Is...

3 Replies

1707 Views

Last post by mig
29 Sep 2014, 09:21
Petrol Gearbox Parts on Diesel Bell housing ?

Last post by mig « 29 Sep 2014, 09:13
Replies: 1
by mig » 15 Sep 2014, 11:33

Purchased a bare diesel bell housing for a petrol to diesel conversion.The seller assured me everything from the petrol bell housing would swap...

1 Replies

1151 Views

Last post by mig
29 Sep 2014, 09:13
Fix or swap?

Last post by mrhutch « 23 Sep 2014, 17:38
Replies: 2
by LDN-BLN » 23 Sep 2014, 14:37

Hey all,

I have just bought a 1983 T25 with a 1.9 petrol wasserbox. The vehicle has been standing for 2+ years :shock: and things have ceased up...

2 Replies

1225 Views

Last post by mrhutch
23 Sep 2014, 17:38
New loom

Last post by syncroandy « 23 Sep 2014, 07:08
Replies: 2
by tattoojohnny » 23 Sep 2014, 01:43

Morning all. I've had an auto electrician out to my bus as have had a few electrical issues. He managed to sort out some of the problems but said I...

2 Replies

2309 Views

Last post by syncroandy
23 Sep 2014, 07:08
2.1 WBX to 1.9 TDI

Last post by KINGPRAWN « 22 Sep 2014, 13:29
Replies: 6
by KINGPRAWN » 21 Sep 2014, 13:19

if you're considering the conversion but not sure ...... DO IT !!!! You can't possibly imagine how much better it is ... And worth every penny and...

6 Replies

2274 Views

Last post by KINGPRAWN
22 Sep 2014, 13:29
aaz port blanked off - why?

Last post by ELVIS « 19 Sep 2014, 21:49
Replies: 1
by PipH657HPE » 19 Sep 2014, 20:36

Hi. I'm in the middle of converting my destroyed 1.6TD to a AAZ. On removal of the exhaust manifold of the AAZ, the end port, nearest the fly wheel...

1 Replies

1575 Views

Last post by ELVIS
19 Sep 2014, 21:49
Fitting a bigger Engine - Help

Last post by garyd « 19 Sep 2014, 18:55
Replies: 7
by Pastdown » 12 Sep 2014, 11:37

Hi all,

I'm looking at buying a T25 Syncro crew cab and I'd like it to tow a trailer with a VW bay. What engine would you recommend, would a 1.9 AAZ...

7 Replies

3158 Views

Last post by garyd
19 Sep 2014, 18:55
low oil pressure on start up 1z engine

Last post by green thing « 18 Sep 2014, 22:16

by green thing » 18 Sep 2014, 22:16

I`ve been chasing this problem for over a year but I`ll try and be brief. I put the engine in my t25 and everthing was fine, (oil light went out in a...

0 Replies

1537 Views

Last post by green thing
18 Sep 2014, 22:16
TDI conversion in WBX

Last post by KINGPRAWN « 15 Sep 2014, 21:56
Replies: 11
by KINGPRAWN » 13 Sep 2014, 10:17

Just had the conversion done and have to say I'm VERY pleased .. Can anybody tell me if the n75 valve should click constantly as soon as the ignition...

11 Replies

3243 Views

Last post by KINGPRAWN
15 Sep 2014, 21:56
AHU fuel pump problem

Last post by hotpod « 15 Sep 2014, 11:13
Replies: 10
by hotpod » 03 Sep 2014, 00:10

I have almost finished an install of an AHU tdi to my camper and i had to strip and clean the fuel pump as it wasnt pumping. it would just about...

10 Replies

8271 Views

Last post by hotpod
15 Sep 2014, 11:13
Charge cooler and oil cooler radiator placement

Last post by Epiphone « 13 Sep 2014, 15:28
Replies: 2
by ninja.turtle007 » 25 Aug 2014, 16:23

I'm going to have an oil cooler fitted to my AFN Tdi. My current thinking is oil cooler rad at the bottom and charge cooler radiator at the top. Both...

2 Replies

2197 Views

Last post by Epiphone
13 Sep 2014, 15:28
ALH pump on an AHU? can i?

Last post by hotpod « 11 Sep 2014, 08:21
Replies: 8
by hotpod » 07 Sep 2014, 19:30

i have a fuel pump problem ( in another thread) and have just been offered a vw caddy with a broken cam belt for not much money. it has an ALH engine...

8 Replies

3502 Views

Last post by hotpod
11 Sep 2014, 08:21
Air Cooled Radiator (Air Cooled to Water Cooled)

Last post by Oldiebut goodie « 10 Sep 2014, 20:36
Replies: 4
by jonnydub » 26 May 2014, 23:10

Can anyone tell me if the upper radiator mount on a watercooled T25 is a) has an official part number (I can't find it on Vagcat) and b) if they are...

4 Replies

2409 Views

Last post by Oldiebut goodie
10 Sep 2014, 20:36
top end speed of our 1.9 D 1Y campervan enquiry

Last post by Tracy&Andy « 10 Sep 2014, 18:14
Replies: 14
by breaker-bar-jon » 02 Sep 2013, 20:13

Hello everyone, I'm new to this forum thing, so please bear with us,
We've a T25 campervan which was a 1.7 Diesel Leisure drive 1989. I've just...

14 Replies

10812 Views

Last post by Tracy&Andy
10 Sep 2014, 18:14
AAZ alternator belt??

Last post by tattoojohnny « 10 Sep 2014, 09:16
Replies: 4
by tattoojohnny » 05 Sep 2014, 22:23

The belt that runs around the water pump and alternator has just snapped on me and I'm not sure what/where to get a replacement or even know what it...

4 Replies

2663 Views

Last post by tattoojohnny
10 Sep 2014, 09:16
Engine fantasy shopping...

Last post by triumph2.5pi « 09 Sep 2014, 18:24

by triumph2.5pi » 09 Sep 2014, 18:24

Would an Audi 3.2 V6 fit in a T25? I've read about Audi 2.6/2.8's being fitted but can't find anything on a 3.2. Is that because it's too much...

0 Replies

1181 Views

Last post by triumph2.5pi
09 Sep 2014, 18:24
Engine advice / recommendation please

Last post by dekhelia « 09 Sep 2014, 16:28
Replies: 4
by vaguelyfamiliar » 27 Aug 2014, 13:57

I recently (drunkenly :oops: ) purchased a project T25 from eBay that comes pretty much as a rolling shell and am looking at what engine / gearbox I...

4 Replies

2060 Views

Last post by dekhelia
09 Sep 2014, 16:28
5 times on a AA truck now

Last post by billy739 « 09 Sep 2014, 08:26
Replies: 21
by Edition38 » 02 Sep 2014, 16:00
1

2
After spending a lot of money on getting my 1.6 td so called fixed here in the north east it went and spat all it's guts out on the motor way on...
21 Replies

8388 Views

Last post by billy739
09 Sep 2014, 08:26
Electric Vehicle EV conversion

Last post by willpom « 08 Sep 2014, 09:40
Replies: 2
by willpom » 03 Sep 2014, 10:03

My end goal is an electric conversion. I came across this collection of videos taking you through the process of conversion if anyone is interested....

2 Replies

1836 Views

Last post by willpom
08 Sep 2014, 09:40
Audi 2.6 v6

Last post by adyjoad « 07 Sep 2014, 23:53
Replies: 8
by wolfsbitz » 19 Aug 2014, 18:37

Hi all, it's been a long time, but to be honest I've nearly always found the answers I need on this forum until now, I am wanting to put an Audi 2.6...

8 Replies

4420 Views

Last post by adyjoad
07 Sep 2014, 23:53
AAZ blue smoke whilst accelerating

Last post by syklist « 05 Sep 2014, 12:01
Replies: 3
by syklist » 28 Jul 2013, 18:35

Hi,
Our Syncro was unused for three weeks whilst we were on holiday. When when we got back we took the van for a spin. On starting up the engine...

3 Replies

5658 Views

Last post by syklist
05 Sep 2014, 12:01
1z thermostat o-ring arrangement

Last post by discipleofsketch « 04 Sep 2014, 14:49
Replies: 4
by discipleofsketch » 04 Sep 2014, 11:25

While trying to diagnose an overheating issue in france (it was actually the waterpump), I removed my thermostat. At some point I need to replace it,...

4 Replies

3191 Views

Last post by discipleofsketch
04 Sep 2014, 14:49
AFN 1.9Tdi injectors

Last post by lloydy « 04 Sep 2014, 06:25
Replies: 5
by crazy-for-a-syncro » 02 Sep 2014, 20:59

Hi all,

Looking to change my injectors as a rule out for a (white) smokey engine on startup...

Anyone know what the part numbers are for the 1.9...

5 Replies

7115 Views

Last post by lloydy
04 Sep 2014, 06:25
AGG into my 1.7d

Last post by Titus A Duxass « 03 Sep 2014, 20:26
Replies: 1
by stevie43_uk » 03 Sep 2014, 12:39

Hi All,

I've recently managed to trash my recently installed 1.9d engine that was mated to my 1.7d 5 speed diesel gearbox - long story due to a...

1 Replies

1099 Views

Last post by Titus A Duxass
03 Sep 2014, 20:26
gear shift wont engage reverse.

Last post by rsxsr « 03 Sep 2014, 18:53
Replies: 3
by skiron » 25 Aug 2014, 12:48

Hello. I have a subaru coversion in my 82 T25. The van has a rebuilt air cooled gearbox with refurbished rod linkages. I have set the adjustment as...

3 Replies

1689 Views

Last post by rsxsr
03 Sep 2014, 18:53
1.9d AEF engine swop

Last post by colinthefox « 02 Sep 2014, 20:58
Replies: 4
by roundwood » 02 Sep 2014, 16:38

Hello all.
I have been tasked with the job of fitting a 1.9d engine from a vw Polo into a 1.6d T25.
Has anyone done this before and if so what are...

4 Replies

2671 Views

Last post by colinthefox
02 Sep 2014, 20:58
T25: Cost/Benefit of 1.9 AAZ or 1.9 TDI engine replacement

Last post by Twodogs « 02 Sep 2014, 12:06
Replies: 4
by davesm » 07 Aug 2014, 19:52

Hi All,

I am sure this has no doubt been done to death but I'm hoping someone can explain in noddy's terms the cost/benefits of replacing a 1.6 JX...

4 Replies

12901 Views

Last post by Twodogs
02 Sep 2014, 12:06
Aaz oil leak.

Last post by Funbus « 01 Sep 2014, 22:52

by Funbus » 01 Sep 2014, 22:52

Hi all.

After rebuilding the aaz it's lost 3 litres of oil in the first 1200 mile. Most of it on motorways doing 50mph.
The oil is coming from the...

0 Replies

1087 Views

Last post by Funbus
01 Sep 2014, 22:52
AAZ to TDI conversion

Last post by keith « 01 Sep 2014, 11:45
Replies: 2
by silver surfer » 10 Aug 2014, 15:28

Hello all,

Cutting a long story short I have the chance of a very cheap 1998 VW Passat 1.9 TDI 'red i' so am thinking of upgrading my current AAZ...

2 Replies

1556 Views

Last post by keith
01 Sep 2014, 11:45
Control unit for T25 turbo-diesel

Last post by brite-spark « 31 Aug 2014, 22:05
Replies: 2
by brite-spark » 29 Aug 2014, 22:37

Hi
Been advised I need a replacement vacuum control unit for my T25 Westfalia, linking the turbo to the 1.9 AAZ engine I've recently had installed....

2 Replies

1763 Views

Last post by brite-spark
31 Aug 2014, 22:05
1.6td to Volvo b230a...

Last post by sclarke7171 « 31 Aug 2014, 21:29
Replies: 217
by carpmaster » 08 May 2011, 12:18
1

…

11

12

13

14

15
Hello everyone
I shall start with a big thank you to members who have shared, helped and above all offered their time. In particular I would like to...
217 Replies

141470 Views

Last post by sclarke7171
31 Aug 2014, 21:29
The mystery of 1k miles and 3 fuel pumps

Last post by herukano « 30 Aug 2014, 22:13
Replies: 12
by herukano » 26 Aug 2014, 20:33

We'll just made it back from Somerset , this journey killed 2 fuel pumps !

Bit of background , skip ahead for the main issues :

Subaru EJ25...

12 Replies

4972 Views

Last post by herukano
30 Aug 2014, 22:13
Swapping my 1.6D for an AAZ - Straightforward?

Last post by ajsimmo « 28 Aug 2014, 22:42
Replies: 12
by Rust&Rot » 22 Aug 2014, 18:00

Hello
Sorry if this question has been asked a thousand times before. But my 1.6D blew up (on the way home from buying it) :( So I thought I would...

12 Replies

8804 Views

Last post by ajsimmo
28 Aug 2014, 22:42
Flipped gearbox ...

Last post by keith « 28 Aug 2014, 17:52
Replies: 1
by dekhelia » 28 Aug 2014, 17:42

Do we have a thread on this? I've searched, but maybe I'm using the wrong terms.

Sounds like a possible solution to the installation of a TDI motor...

1 Replies

1177 Views

Last post by keith
28 Aug 2014, 17:52
1y engine is in the van I have bought but....

Last post by Chiefy « 28 Aug 2014, 10:43
Replies: 7
by Chiefy » 22 Aug 2014, 20:17

It was originally a 1.9 petrol, changed to a 1.6D by the PPO....
Guy I bought it from sourced a 34k 1Y and swapped out the 1.6D. Used the dipstick...

7 Replies

4525 Views

Last post by Chiefy
28 Aug 2014, 10:43
1.9 aaz problem

Last post by hammerhead « 27 Aug 2014, 20:45
Replies: 6
by hammerhead » 11 Aug 2014, 21:01

Hello

I have a t25 syncro with a 1.9 AAZ, whilst driving today it started to judder as in it felt like the was no fuel getting through, it would...

6 Replies

2636 Views

Last post by hammerhead
27 Aug 2014, 20:45
Exhaust options for 1Y

Last post by Oldiebut goodie « 27 Aug 2014, 19:42
Replies: 14
by keytouch » 25 Aug 2014, 22:51

So the 1Y I fitted seems to be running well and is doing the job.
The current exhaust is the original CS exhaust matched with the CS downpipe and...

14 Replies

4703 Views

Last post by Oldiebut goodie
27 Aug 2014, 19:42
engine code

Last post by Trunkster « 26 Aug 2014, 14:01

by Trunkster » 26 Aug 2014, 14:01

Blew my AZZ 1.9td a few weeks ago. I then bought a used but so called working AZZ from a chap on here. I have just had a call from the garage fitting...

0 Replies

1537 Views

Last post by Trunkster
26 Aug 2014, 14:01
Will a st24 engine fit into a t25?

Last post by ianf « 26 Aug 2014, 13:00
Replies: 13
by James.rigby » 09 May 2012, 14:04

Hi all I have been offered a mondeo/cougar st24 engine 2.5 v6 bu unsure wether or not it will fit. If anyone knows more info than me then could you...

13 Replies

7776 Views

Last post by ianf
26 Aug 2014, 13:00
Aircooled to subaru conversion temperature gauge ?

Last post by zedd « 25 Aug 2014, 18:31
Replies: 2
by zedd » 24 Aug 2014, 09:49

Hi, just started collecting bits for the conversion what temperature gauges are you using :?:

2 Replies

998 Views

Last post by zedd
25 Aug 2014, 18:31
Y1 engine.

Last post by Roger Woodland « 25 Aug 2014, 12:18
Replies: 2
by Roger Woodland » 24 Aug 2014, 17:53

I want to get a reconditioned 1.9 Y1 engine for my 1.6TD high top, does anyone know where I can get one from.

2 Replies

1111 Views

Last post by Roger Woodland
25 Aug 2014, 12:18
gear shift wont engage reverse.

Last post by skiron « 25 Aug 2014, 12:00

by skiron » 25 Aug 2014, 12:00

Hello. I have a subaru coversion in my 82 T25. The van has a rebuilt air cooled gearbox with refurbished rod linkages. I have set the adjustment as...

0 Replies

1093 Views

Last post by skiron
25 Aug 2014, 12:00
Possible new engine needed

Last post by irishkeet « 23 Aug 2014, 13:27
Replies: 13
by mark.sleep » 01 Jan 2013, 11:41

I have just bought my first T25 with a 2 litre Aircooled engine, all was going well until I got close to Bristol when clouds of grey smoke came out...

13 Replies

4851 Views

Last post by irishkeet
23 Aug 2014, 13:27
awx pd 130 in to panel van please help

Last post by syncroandy « 20 Aug 2014, 20:27
Replies: 1
by sam2dads » 19 Aug 2014, 20:04

hello I am putting a pd 130 into a t25 I have removed items I throught I did not need from the Passat wiring and now it wont start or connect a scan...

1 Replies

1067 Views

Last post by syncroandy
20 Aug 2014, 20:27

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