T25 Alternative Engine Forum

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Most liked posts	Author	Posted	Liked	Forum
TDI annoying pause when pulling away	hotpod	12 Jun 2025, 21:40	Once this week	T25 Alternative Engine Forum

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Last post

Dieselgurus: AHU outlets on AAZ pump...?

Last post by avdem « 04 Aug 2012, 18:04

by avdem » 04 Aug 2012, 18:04

In the process of switching my tired 1Z for a less tired AHU. Been using a JX pump on my 1z but will try a AAZ pump on the AHU. Cleaner install,...

0 Replies

1156 Views

Last post by avdem
04 Aug 2012, 18:04
Diesel Fuel Pump Leak

Last post by mm289 « 04 Aug 2012, 08:17
Replies: 2
by andyb » 03 Aug 2012, 22:23

Ok - Ive a leak between the distributor head and body - Im sure its the o ring seal that has gone.

Does anyone have a link to somewhere online I can...

2 Replies

1328 Views

Last post by mm289
04 Aug 2012, 08:17
1.6TD JX to 1.9 Skoda AEF

Last post by Oldiebut goodie « 03 Aug 2012, 23:55
Replies: 5
by Woolf » 16 Jul 2012, 21:33

Hi

Would it be very crazy to replace my worn out JX with an AEF, and keep the turbo?

I've been offered a good freebie AEF and have read up on...

5 Replies

2561 Views

Last post by Oldiebut goodie
03 Aug 2012, 23:55
Gti engine oil light issues

Last post by ghost123uk « 01 Aug 2012, 15:10
Replies: 10
by Time Bomb Tom » 01 Aug 2012, 11:16

Hi
I have T25 with an 8v golf gti engine, the oil light is flashing i have changed the pressure switch for a new part and this didn't make any...

10 Replies

2687 Views

Last post by ghost123uk
01 Aug 2012, 15:10
help with wiring

Last post by zippster « 01 Aug 2012, 12:42

by zippster » 01 Aug 2012, 12:42

i have a home made subaru loom and can any one help me match it up with the t25, on the subaru side its all ok, but the t25 i dont know which wire is...

0 Replies

984 Views

Last post by zippster
01 Aug 2012, 12:42
Tdi cruise control howto

Last post by syncroandy « 30 Jul 2012, 20:25
Replies: 5
by ewenmaclean » 29 Jul 2012, 11:54

Hello,

some folk asked me how I wired up my cruise control. I didn't use the proper switches and just used momentary switches I found from the usual...

5 Replies

7717 Views

Last post by syncroandy
30 Jul 2012, 20:25
1y pump again sorry.

Last post by kit « 29 Jul 2012, 15:21
Replies: 5
by kit » 21 Jul 2012, 10:31

Advice please as I am getting desperate nowa( does any one know if the later pump from a 1y will fit the earlier engine I am concerned as there is...

5 Replies

1980 Views

Last post by kit
29 Jul 2012, 15:21
Petrol to diesel conversion

Last post by lloydy « 28 Jul 2012, 15:53
Replies: 7
by Cableguy » 27 Jul 2012, 17:50

Hi all.
Almost there with my tdi install, but wondered about battery placement.
At the minute, my battery is still under the seat. There's no...

7 Replies

2511 Views

Last post by lloydy
28 Jul 2012, 15:53
Urgenly need wiring diagram for t25

Last post by syncroandy « 26 Jul 2012, 22:34
Replies: 2
by donciuz » 26 Jul 2012, 20:20

Doing wiring today and can not find the wiring diagram for my t25 transporter.
I have the diagram for donor golf, and can not mate the two.

I know,...

2 Replies

3886 Views

Last post by syncroandy
26 Jul 2012, 22:34
New diesel pump in an AAZ but it drives like a 1600cc T2

Last post by syklist « 25 Jul 2012, 12:43
Replies: 1
by syklist » 25 Jul 2012, 11:39

It is summer which means our T25 has broken down somewhere inconvenient. It has just had a new diesel pump fitted to the AAZ engine by a main dealer...

1 Replies

1799 Views

Last post by syklist
25 Jul 2012, 12:43
Mod mount for 1.9 TDI swap

Last post by 16vmini « 25 Jul 2012, 07:48
Replies: 2
by phil miller » 23 Jul 2012, 21:21

Right just gauging interest here atm
Sunday i met up with Ewen and he seemed impressed with the n/s mount id made for my TDI (pics are in my build...

2 Replies

1299 Views

Last post by 16vmini
25 Jul 2012, 07:48
new aaz bottom end required....:(

Last post by syncroandy « 24 Jul 2012, 08:11
Replies: 3
by thenaylortribe » 23 Jul 2012, 13:16

Hey fellas! been a while since i've posted on here...just sold my lovely T25 (Wally) with AAZ fitted by phillipacman a few years back..test drove it...

3 Replies

1728 Views

Last post by syncroandy
24 Jul 2012, 08:11
1.6td or 1.9D

Last post by Chopper « 24 Jul 2012, 07:00
Replies: 5
by asidhowz » 23 Jul 2012, 13:01

Hi im in the market to buy a T25 and am going to look at two this week, both are hi tops and in lovely condition, my question is this, one is a 1.6...

5 Replies

1986 Views

Last post by Chopper
24 Jul 2012, 07:00
Engine went Bang...........

Last post by phil miller « 23 Jul 2012, 21:00
Replies: 43
by Isolly » 02 Jul 2012, 19:29
1

2

3
wel.. my engine in the van wasnt running great.. and tonight.. it completely went....

the view down my street minutes after....

anyway... it...
43 Replies

36132 Views

Last post by phil miller
23 Jul 2012, 21:00
Poorly Kamper please help

Last post by craigy8 « 23 Jul 2012, 17:41
Replies: 16
by craigy8 » 17 Jul 2012, 22:09
1

2
Hi

I have a VW camper fliptop with the TDI conversion engine in.

I did a 450mile trip last weekend and it run sweet until I got 10mile from home...
16 Replies

6817 Views

Last post by craigy8
23 Jul 2012, 17:41
Tdi air intake temps

Last post by silverbullet « 23 Jul 2012, 14:53
Replies: 40
by ELVIS » 17 Mar 2012, 17:13
1

2

3
Anyone taken logs of air intake temp on a tdi?

Anychance you can post them up and say whether you are running no cooler/intercooler or charge...
40 Replies

15083 Views

Last post by silverbullet
23 Jul 2012, 14:53
Anyone heard from RJES lately ?

Last post by Oilline « 18 Jul 2012, 21:35

by Oilline » 18 Jul 2012, 21:35

As the title says, has any body heard from Richard from RJES lately ? I've been trying to contact by email for some time now but no reply. On holiday...

0 Replies

976 Views

Last post by Oilline
18 Jul 2012, 21:35
Our camper build

Last post by 16vmini « 18 Jul 2012, 20:58
Replies: 62
by phil miller » 03 Jun 2012, 21:59
1

2

3

4

5
Hi all had our 88 E plate camper for a few weeks now, i think it started as a petrol and at some point converted to Diesel, there is no glow light on...
62 Replies

41329 Views

Last post by 16vmini
18 Jul 2012, 20:58
Possible head gasket leak

Last post by randolph57 « 18 Jul 2012, 11:13
Replies: 3
by craigy8 » 17 Jul 2012, 22:05

Hi

I have a VW camper fliptop with the TDI conversion engine in.

I did a 450mile trip last weekend and it run sweet until I got 10mile from home...

3 Replies

1312 Views

Last post by randolph57
18 Jul 2012, 11:13
Advice needed on Turbo/Manifold compatibility

Last post by Chopper « 17 Jul 2012, 07:00
Replies: 3
by Chopper » 11 Jul 2012, 06:45

Hello hello.
Simple question, I hope??
Will an aaz Turbo and manifolds go onto a 1y engine??
Ta.

3 Replies

1467 Views

Last post by Chopper
17 Jul 2012, 07:00
JX to AAZ conversion advice

Last post by monekynuts « 16 Jul 2012, 21:54
Replies: 4
by monekynuts » 16 Jul 2012, 20:37

Hi I have discovered my van has a steady oil leak. I'm after some advice the van has been converted from original 1.6td Jx to 1.9td aaz. The leak is...

4 Replies

1786 Views

Last post by monekynuts
16 Jul 2012, 21:54
AAZ Conversion

Last post by trucker « 15 Jul 2012, 15:47

by trucker » 15 Jul 2012, 15:47

Hi, my jx is Poorly sick, high oil & water consumption, black,blue and white smoke so I'm considering changing to an AAZ rather than having my jx...

0 Replies

918 Views

Last post by trucker
15 Jul 2012, 15:47
Petrol to diesel fuel tank Q

Last post by billy739 « 14 Jul 2012, 22:15
Replies: 3
by Cableguy » 14 Jul 2012, 12:32

Just a thought. Is there any difference in the fuel tank in a diesel van compared to a petrol?? :!:

3 Replies

1191 Views

Last post by billy739
14 Jul 2012, 22:15
AFN alternator belt size

Last post by lloydy « 14 Jul 2012, 20:44
Replies: 2
by lloydy » 14 Jul 2012, 20:12

Looking to get myself a spare belt, and i'm wondering if there is different length belts? My AFN is from a passat and i'm using the passat belt set...

2 Replies

1177 Views

Last post by lloydy
14 Jul 2012, 20:44
1y pump number

Last post by kit « 14 Jul 2012, 12:00
Replies: 10
by kit » 05 Jul 2012, 20:24

Could someone please look at their 1y Bosch pump and tell me what numbers are on it I tried cleaning mine and appear to rubbed them out :oops:

10 Replies

2532 Views

Last post by kit
14 Jul 2012, 12:00
Air filter box for 1z/ahu

Last post by keith « 13 Jul 2012, 18:57
Replies: 1
by donciuz » 12 Jul 2012, 21:12

I am swapping my 1.6 jx to 1.9 1z/ahu from a mk3 golf.
Is there any way to modify the jx air box and install the air mass sensor?
Maybe you have...

1 Replies

1832 Views

Last post by keith
13 Jul 2012, 18:57
anyone know what there are?

Last post by donciuz « 13 Jul 2012, 18:36
Replies: 1
by Isolly » 13 Jul 2012, 18:24

i have 2 part numbers for items but no idea what they are..:

357 906 283

028 906 283

can anyone shed some light?

thanks

1 Replies

1212 Views

Last post by donciuz
13 Jul 2012, 18:36
AHU - Vs - AFN - Vs - 1Z

Last post by busbuddy « 12 Jul 2012, 17:28
Replies: 3
by Isolly » 04 Jul 2012, 22:13

just curious..

of the 1.9TDI engine...of the AHU, AFN and 1Z, which is best... gives out more power, and is open to more tuning?

3 Replies

10219 Views

Last post by busbuddy
12 Jul 2012, 17:28
1.6 TD 1988 T25

Last post by LeeME3 « 12 Jul 2012, 09:14
Replies: 2
by ibsey » 09 Jul 2012, 18:08

Am I right in thinking that this engine is the same engine that was put in the golf. I have searched for a manual for a diesel T25/T3 they only seem...

2 Replies

1465 Views

Last post by LeeME3
12 Jul 2012, 09:14
t25 engine

Last post by andyb « 12 Jul 2012, 08:24
Replies: 3
by dee666 » 10 Jul 2012, 19:22

Will the 1.9 sdi engine be a straight fit into my t25, it is a 1.6 non turbo on a 5 speed.
And what engine code will the sdi engine be.

3 Replies

1582 Views

Last post by andyb
12 Jul 2012, 08:24
Need wiring diagram for 1Z conversion, pls help

Last post by phil miller « 11 Jul 2012, 20:00
Replies: 5
by KR1S 76 » 05 Jul 2012, 20:11

Been trying to deal with this problem for a while, to try and figure out what the cause of loss of power was...

These are my other topics, they all...

5 Replies

4187 Views

Last post by phil miller
11 Jul 2012, 20:00
logging inlet temps / thread .. where did it go ?

Last post by 16vmini « 11 Jul 2012, 15:55
Replies: 2
by 16vmini » 11 Jul 2012, 13:00

sure i was reading a thread yesterday about inlet temps / logging ... etc

was about to comment on it , but cant find it ...

have i gone blind ?...

2 Replies

986 Views

Last post by 16vmini
11 Jul 2012, 15:55
1Y hot start

Last post by Dimka_BLR « 11 Jul 2012, 08:14
Replies: 10
by StuartC » 15 May 2012, 09:46

I have replaced cambelts on 1.6/1.9 diesels so thanks.I will borrow beg or buy the vw 2066 adapter&dti gauge.But had problems yesterday at my local...

10 Replies

6346 Views

Last post by Dimka_BLR
11 Jul 2012, 08:14
Gearbox changeon 1900 td

Last post by Chopper « 11 Jul 2012, 06:49
Replies: 2
by Todd » 10 Jul 2012, 07:42

Hi all I have bought a t25 with a 1900 td golf engine but it revs high at 55mph what gearbox can I put in and does anyone know of one for sale?...

2 Replies

1181 Views

Last post by Chopper
11 Jul 2012, 06:49
Intercooler Set up

Last post by Isolly « 10 Jul 2012, 22:00

by Isolly » 10 Jul 2012, 22:00

does anyone have... or can anyone point me in the direction of a diagram for the piping for an 1.9 tdi intercooler set up... (which pipes go to where...

0 Replies

977 Views

Last post by Isolly
10 Jul 2012, 22:00
aaz turbo return pipe

Last post by dcfb77 « 10 Jul 2012, 21:34
Replies: 6
by t25camper » 09 Apr 2012, 21:34

Hi guys, I will be doing a dg to aaz conversion shortly. I am in the process of gathering bits at the mo. have a cs donor van. But I was wondering if...

6 Replies

2828 Views

Last post by dcfb77
10 Jul 2012, 21:34
Subaru-to-VW Tacho mod

Last post by silverbullet « 09 Jul 2012, 12:54
Replies: 5
by silverbullet » 03 Jul 2012, 15:00

Has anyone personally done this for an early EJ22 conversion? I've finally got hold of a really nice condition full-house dash from a circa 1985 van,...

5 Replies

3688 Views

Last post by silverbullet
09 Jul 2012, 12:54
1Z Battery light wire

Last post by phil miller « 08 Jul 2012, 17:30
Replies: 4
by phil miller » 07 Jul 2012, 23:14

Hi all got my 1Z in and running, the loom has a Blue wire that goes to the battery light on the dash, the only way the alturnator will charge is if...

4 Replies

2052 Views

Last post by phil miller
08 Jul 2012, 17:30
Which turbo is best.....

Last post by ewenmaclean « 07 Jul 2012, 18:51
Replies: 1
by Isolly » 07 Jul 2012, 18:38

i now have 2 turbo's and wondering which i should have on the new engine...

I have a Garrat T2 or a Garrat T15

any advice??

1 Replies

1003 Views

Last post by ewenmaclean
07 Jul 2012, 18:51
Mk2 Golf Gti 16v engine into a T25 doka ??

Last post by ELVIS « 07 Jul 2012, 18:39
Replies: 7
by TreeSwingerSam » 01 Jul 2012, 19:28

Can I put a mk2 golf gti engine in my doka and how tricky is it?

7 Replies

5697 Views

Last post by ELVIS
07 Jul 2012, 18:39
golf mk3 gti conversion

Last post by rattybird « 06 Jul 2012, 22:12
Replies: 2
by rattybird » 06 Jul 2012, 01:08

i am thinking of buying a van that has already had the start or in the middle of a gti conversion , the van was originally air cooled. non of the...

2 Replies

1895 Views

Last post by rattybird
06 Jul 2012, 22:12
Cam belt replacement?

Last post by ewenmaclean « 06 Jul 2012, 20:19
Replies: 5
by Cooper » 03 Jul 2012, 11:26

So I've got a 1.9td aaz engine.
Changed from a 1.6td

I need to replace the cam belt but not sure which one I need?
Also I was told I need to replace...

5 Replies

2159 Views

Last post by ewenmaclean
06 Jul 2012, 20:19
AAZ K03 turbo - different size between old and new?

Last post by dcfb77 « 06 Jul 2012, 20:16

by dcfb77 » 06 Jul 2012, 20:16

I've got a new k03 turbo for my aaz but it requires larger hoses than the old one.

The new one also has actuator of some type whilst the older one...

0 Replies

1077 Views

Last post by dcfb77
06 Jul 2012, 20:16
AAZ diesel pump - help!

Last post by dcfb77 « 06 Jul 2012, 20:12

by dcfb77 » 06 Jul 2012, 20:12

Hi,

Fitting AAZ into my syncro and I've got cables running off the AAZ I've got no idea what to do with.

I see cable for the automatic choke, 2...

0 Replies

1114 Views

Last post by dcfb77
06 Jul 2012, 20:12
Mechanic or garage needed Cardiff for 1.9tdi swap

Last post by Cableguy « 06 Jul 2012, 19:00
Replies: 3
by mattbrook » 05 Jul 2012, 15:27

Hi, just baught a 1.9tdi lifted from a t25 with all bits needed for swap into my 1.9dg t25. Just need someone willing to help.lol. Any advice or if...

3 Replies

1872 Views

Last post by Cableguy
06 Jul 2012, 19:00
Engine Identification

Last post by Isolly « 06 Jul 2012, 15:40
Replies: 4
by Isolly » 06 Jul 2012, 10:50

is there any way to tell, visually if an engine is an AHU or 1Z as im struggling to find the engine code on the engine i've taken out of my van.

or...

4 Replies

1819 Views

Last post by Isolly
06 Jul 2012, 15:40
Water pump still runs ( ignition off ) + flat battery

Last post by innocenti « 05 Jul 2012, 11:13
Replies: 1
by innocenti » 26 Jun 2012, 21:00

Hi thought I'd post a query on here .got up to a flat battery on my 1.9 td ( golf ) t25 this morning .
Lifted engine lid to remove the battery and...

1 Replies

1200 Views

Last post by innocenti
05 Jul 2012, 11:13
1Y rev counter?

Last post by Niander « 04 Jul 2012, 23:40

by Niander » 04 Jul 2012, 23:40

1Y rev counter?
i fancy one something that i could fit on top of the dash?
is there one i can get for 1Y 1.9 diesel

0 Replies

1231 Views

Last post by Niander
04 Jul 2012, 23:40
BEST OIL TO USE 1900 1Y NON TURBO

Last post by kevtherev « 04 Jul 2012, 20:43
Replies: 14
by shrekwoody » 02 Jul 2012, 20:12

hi there people
converted from 1700 ky to 1900 1y non turbo and have used 15w 40 mineral diesel oil
whats best to use? semi synth or full or is...

14 Replies

4535 Views

Last post by kevtherev
04 Jul 2012, 20:43
RADIATOR NOT GETTING HOT!?

Last post by lloydy « 02 Jul 2012, 20:34
Replies: 6
by shrekwoody » 01 Jul 2012, 19:50

HI PEOPLE PLEASE HELP!! :run
engine conversion from 1700ky to 1900 1y all in and running great but....
running up and trying to bleed cooling...

6 Replies

2758 Views

Last post by lloydy
02 Jul 2012, 20:34

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