Mechanical

Moderators: User administrators, Moderators

7798 topics

Page 2 of 156
- Jump to page:
Previous
1
2
3
4
5
…
156
Next

Most liked posts	Author	Posted	Liked	Forum
Air locks in coolant; leaking pistons? Test kits	cobblers	Today, 16:40	Once this week	Mechanical
T25 Thermostat “Which way up”?	silverbullet	07 Nov 2026, 20:01	Once this week	Mechanical

Topics

Replies

Views

Last post

Gearbox no 5th

Last post by pierce « 09 Aug 2026, 16:38
Replies: 3
by pierce » 09 Aug 2026, 07:13

Problem with my gearbox, it pried out of 5th on the motorway, felt judery , it won’t stay in 5th even trying to hold it in. I have had a few issues...

3 Replies

981 Views

Last post by pierce
09 Aug 2026, 16:38
Recommendations for a torque mulitplier

Last post by silverbullet « 09 Aug 2026, 06:35
Replies: 7
by PaulFDennis » 08 Aug 2026, 12:20

I’m about to embark on servicing the rear hubs on my T25 and wondered if there are any recommendations for a torque multiplier to tackle the hub nuts...

7 Replies

1122 Views

Last post by silverbullet
09 Aug 2026, 06:35
PAS

Last post by izzybarnard « 08 Aug 2026, 20:51
Replies: 15
by R0B » 04 Dec 2025, 09:12
1

2
Has anyone replaced the seals in a power steering rack? Is it an easy or difficult job?
15 Replies

12916 Views

Last post by izzybarnard
08 Aug 2026, 20:51
Radiator fan life expectancy

Last post by badgerfax « 06 Aug 2026, 21:33
Replies: 10
by Beakster » 15 Jul 2026, 08:21

Hi,

How long would a VW radiator fan last. The standard 3 wire 2 speed one? I expect mine is the original but doesn't seem to have run in a long...

10 Replies

1848 Views

Last post by badgerfax
06 Aug 2026, 21:33
Coolant leaking from thermostat housing.

Last post by PaulFDennis « 06 Aug 2026, 18:46
Replies: 9
by F41XTH » 02 Sep 2025, 18:07

I've finally had time to identify where the coolant is leaking out from, it appears to be between the thermostat housing and the block. As seen in...

9 Replies

17954 Views

Last post by PaulFDennis
06 Aug 2026, 18:46
Draining cooling system

Last post by firetrader « 06 Aug 2026, 06:56
Replies: 21
by Vodim » 18 Jul 2026, 20:01
1

2
Hi,

I am about to drain the cooling system to replace the very old coolant. However I cannot locate the hoses mentioned in the Bentley manual....
21 Replies

2356 Views

Last post by firetrader
06 Aug 2026, 06:56
Alternative Gearbox Drain plug

Last post by shampooefficient « 06 Aug 2026, 06:16
Replies: 1
by Beakster » 05 Aug 2026, 22:18

Hi,

I need a new drain plug for my T25's 5 speed gear box.

The correct part is 091 301 141 A

Brickworks and everyone else show it out of stock: ...

1 Replies

735 Views

Last post by shampooefficient
06 Aug 2026, 06:16
JX injection pump - rebuild recommendations

Last post by Simon Baxter « 04 Aug 2026, 14:42
Replies: 3
by clift_d » 16 Jul 2026, 10:02

Our injection pump is starting to show signs of wear and so a rebuild is probably going to be necessary in the near future.

I’m aware that Reg...

3 Replies

1110 Views

Last post by Simon Baxter
04 Aug 2026, 14:42
Temperature sensors on thermostat housing

Last post by PaulFDennis « 04 Aug 2026, 14:39
Replies: 3
by PaulFDennis » 01 Aug 2026, 17:34

My 1.9DG has a coolant leak around one of the temperature sensors located on the lower thermostat housing. My understanding is that the 1.9DG engine...

3 Replies

779 Views

Last post by PaulFDennis
04 Aug 2026, 14:39
How do I get to the hoses for the windshield washer

Last post by Vodim « 04 Aug 2026, 11:19
Replies: 6
by Vodim » 02 Aug 2026, 15:34

I just replaced my washer pump for the windshield but only very little water is coming through. Basically just some bubbles visible on the nozzles. I...

6 Replies

1043 Views

Last post by Vodim
04 Aug 2026, 11:19
One for the air cooled bunch

Last post by sarran1955 « 31 Jul 2026, 08:41
Replies: 2
by Stesaw » 23 Jun 2026, 11:58

Long story short, did a service for a chap with a CU with twin solex carbs, a lot of play in the spindles on the carbs ones leaking petrol badly but...

2 Replies

5199 Views

Last post by sarran1955
31 Jul 2026, 08:41
Bent Pushrods

Last post by maxstu « 30 Jul 2026, 22:07
Replies: 5
by maxstu » 30 Jul 2026, 11:45

1989 DJ2.1 cylinders 3 and 4

What would cause both inlet pushrods to dramatically bend as in photo?

5 Replies

869 Views

Last post by maxstu
30 Jul 2026, 22:07
Headgasket failure

Last post by clift_d « 27 Jul 2026, 21:53
Replies: 12
by Rik » 20 Jul 2026, 17:51

So the last few years we've had a multitude of coolant leaks: Waterpump, multiple hoses, cracked header tank etc. Also had to top up the level in the...

12 Replies

1078 Views

Last post by clift_d
27 Jul 2026, 21:53
Connection on washer pump

Last post by Vodim « 27 Jul 2026, 20:38
Replies: 3
by Vodim » 27 Jul 2026, 09:38

I need to replace my washer pump (windshield) but all the new ones I find have another connection than my old one. Is it not possible to find...

3 Replies

548 Views

Last post by Vodim
27 Jul 2026, 20:38
5 Speed Ratio Options

Last post by Smiffo « 27 Jul 2026, 08:11
Replies: 8
by Smiffo » 25 Jul 2026, 21:20

Evening all.

I’m pondering a few options for the future.

Scenario is I have a 5 speed gearbox ( I think ABN or ABM from memory ) and it runs around...

8 Replies

874 Views

Last post by Smiffo
27 Jul 2026, 08:11
Won't start when left for a week

Last post by mioba « 23 Jul 2026, 19:00
Replies: 4
by Ianto » 23 Jul 2026, 07:22

Hello everyone, my 1983 1.9 water cooled T25 won't start after being parked for a week. A tiny squirt of easy start gets her running instantly. If I...

4 Replies

389 Views

Last post by mioba
23 Jul 2026, 19:00
accelerator cable adjustment

Last post by shrig1969 « 21 Jul 2026, 16:05
Replies: 7
by shrig1969 » 06 Jul 2026, 16:20

I have recently removed the carb for a clean up and this involved me removing the 2 bolts on the accelerator bracket.
Everything was re-installed and...

7 Replies

1291 Views

Last post by shrig1969
21 Jul 2026, 16:05
Fuel pump pushrod stuck

Last post by Freybug « 20 Jul 2026, 21:59
Replies: 5
by Freybug » 19 Jul 2026, 11:55

Hi all can anyone give me so advise on a type4 1982 cu engine.. the fuel pump has come off fine no problems at all. But the pushrod seems to have...

5 Replies

538 Views

Last post by Freybug
20 Jul 2026, 21:59
Maintenance priority list for 1990 T3

Last post by Vodim « 18 Jul 2026, 10:53
Replies: 15
by Vodim » 02 Jul 2026, 08:34
1

2
Hi everyone,

I’d appreciate some advice on creating a sensible priority list for maintenance on my 1990 VW T3 (original 1.6 TD JX engine).

I’m...
15 Replies

4273 Views

Last post by Vodim
18 Jul 2026, 10:53
2.1 DJ question

Last post by Stesaw « 17 Jul 2026, 17:10
Replies: 32
by Smiffo » 26 May 2026, 10:31
1

2

3
Morning all.

Long story short, I’m switching my old 1.9DG engine out for a 2.1 Dj, but running on the Pierburg I already have.
The time is fast...
32 Replies

9310 Views

Last post by Stesaw
17 Jul 2026, 17:10
Gas "hot air"heater via a vent into cab

Last post by firetrader « 11 Jul 2026, 08:26
Replies: 4
by firetrader » 09 Jul 2026, 06:51

My van has the traditional gas blown hot air system, its been in the van since well before I bought it in 2011.I rarely use it, but since upgrading...

4 Replies

3407 Views

Last post by firetrader
11 Jul 2026, 08:26
Clutch line flare type

Last post by Beakster « 10 Jul 2026, 12:53
Replies: 1
by Beakster » 07 Jul 2026, 23:46

Hi,

Need to replace my clutch line. Got some kunifer 6mm pipe on the way and M12 fittings.

What type of flare should I do? Does it matter? I have a...

1 Replies

3678 Views

Last post by Beakster
10 Jul 2026, 12:53
Hot air ducting for air intake

Last post by PaulFDennis « 08 Jul 2026, 17:57
Replies: 3
by PaulFDennis » 08 Jul 2026, 09:53

A quick question. My 1.9 DG has two hot airs take offs from the cylinder 1 exhaust manifold. These were connected to an air intake module beneath the...

3 Replies

917 Views

Last post by PaulFDennis
08 Jul 2026, 17:57
Nearside wheel stiff to move when jacked up

Last post by mioba « 05 Jul 2026, 16:22
Replies: 2
by SnowFAN » 03 Jul 2026, 03:29

Hey everyone, just got a t25, it’s running good, but on the nearside, when I jacked it up, the wheel could be spun by hand but was a little stiff,...

2 Replies

1194 Views

Last post by mioba
05 Jul 2026, 16:22
CU engine fitment near me (Kiddrminster)

Last post by crazydiamond « 02 Jul 2026, 08:56

by crazydiamond » 02 Jul 2026, 08:56

Time has come for a new recon engine. Lots of things wrong with my present 2litre CU engine that was a recon unit 26 years ago. I am looking for a...

0 Replies

4274 Views

Last post by crazydiamond
02 Jul 2026, 08:56
Pierburg 2e3 on a 1.9DG starting issue

Last post by TwinTurbo « 02 Jul 2026, 06:25
Replies: 16
by Stoptherot » 25 Jun 2026, 19:13
1

2
First time post, looking for some advice on an engine issue which seems to be carb related.
My van has run brilliantly since a Bromyard carb rebuild...
16 Replies

3409 Views

Last post by TwinTurbo
02 Jul 2026, 06:25
VW T3 diesel starter clicks but won’t crank — starter tested good on bench

Last post by mioba « 01 Jul 2026, 19:35
Replies: 6
by Vodim » 24 Jun 2026, 21:45

I’m troubleshooting a starting issue on my diesel VW T3 / Vanagon and would really appreciate advice.

Background / history
I had almost the exact...

6 Replies

2276 Views

Last post by mioba
01 Jul 2026, 19:35
Diesel pump operating arm

Last post by shampooefficient « 29 Jun 2026, 09:43
Replies: 3
by shampooefficient » 28 Jun 2026, 16:57

Looks like my throttle arm (that the cable joins onto) has been bent, probably by me doing something badly.

Is it a case of marking it and unbolting...

3 Replies

1437 Views

Last post by shampooefficient
29 Jun 2026, 09:43
Gear linkage, what am I missing?

Last post by shampooefficient « 28 Jun 2026, 16:14
Replies: 5
by shampooefficient » 27 May 2026, 12:30

Have had the whole engine and box out and everything off the van.

Now replaced the engine but using the original gearbox.

I'm trying to refit the...

5 Replies

2967 Views

Last post by shampooefficient
28 Jun 2026, 16:14
Anyone upgraded their camper storage hatch gas struts?

Last post by silverbullet « 27 Jun 2026, 19:33
Replies: 7
by joefaison » 26 Jun 2026, 11:48

Hi everyone,
I'm slowly freshening up my camper and one of the jobs on my list is replacing a pair of tired gas struts on one of the storage...

7 Replies

2416 Views

Last post by silverbullet
27 Jun 2026, 19:33
Water Pump Replacement 1.9 Waterboxer

Last post by silverbullet « 24 Jun 2026, 12:26
Replies: 6
by Lillythefrenchie2026 » 23 Jun 2026, 19:59

During my recent clutch replacement, the garage noticed that my water pump was leaking slightly.

I’ve since had a quote from another independent...

6 Replies

2678 Views

Last post by silverbullet
24 Jun 2026, 12:26
Help - I'm going away tomorrow & my van wont start!

Last post by TwinTurbo « 24 Jun 2026, 04:23
Replies: 15
by JamieQPR » 17 Jun 2026, 15:47
1

2
Hi there,

When I turn the key to start my van the engine does not turn over at all.
He started fine yesterday.
The headlights & everything else...
15 Replies

4977 Views

Last post by TwinTurbo
24 Jun 2026, 04:23
1991 t25

Last post by Aidan « 22 Jun 2026, 06:52
Replies: 14
by lj68 » 29 May 2026, 20:18

Hope someone can help , i recently bought 1991 vw 2.1 automatic and on a 80 mile journey it nipped up and crank wouldnt turn with large spanner on...

14 Replies

4789 Views

Last post by Aidan
22 Jun 2026, 06:52
Oil Light and Buzzer

Last post by pirate-pete « 19 Jun 2026, 16:55
Replies: 21
by Freddievan » 18 Mar 2026, 18:34
1

2
1991 petrol 1915cc

A couple of weeks ago the oil light and alarm came on whilst driving - short journey. I panicked and put a litre of oil in it...
21 Replies

32650 Views

Last post by pirate-pete
19 Jun 2026, 16:55
High clutch pedal

Last post by Lillythefrenchie2026 « 19 Jun 2026, 16:52
Replies: 6
by Lillythefrenchie2026 » 30 May 2026, 23:01

Is there any manual adjustment on a 4 speed 1986 petrol clutch pedal, it seems rather high. I would say around 1” from being fully let out before it...

6 Replies

3060 Views

Last post by Lillythefrenchie2026
19 Jun 2026, 16:52
Identify VW part number and availability.

Last post by salex « 18 Jun 2026, 08:38
Replies: 2
by salex » 15 Jun 2026, 11:36

I hope this forum can help me identify the part number and potential availability.
I have a 1983 T25 with a Water cooled boxer 1900cc DG engine. A...

2 Replies

1960 Views

Last post by salex
18 Jun 2026, 08:38
Oil query

Last post by Freddievan « 18 Jun 2026, 05:20
Replies: 9
by Freddievan » 30 May 2026, 09:54

I've bought my usual brand of oil and it's 15w-40 - Fuchs Titan Formula - but it doesn't say either mineral or synthetic on the labels. How do I...

9 Replies

3285 Views

Last post by Freddievan
18 Jun 2026, 05:20
2lt CU Aircooled engine wrecked

Last post by mioba « 16 Jun 2026, 20:06
Replies: 6
by crazydiamond » 16 Jun 2026, 08:24

Thats it...... had to remove cylinder head and one of the studs sheared off alongside the piston barrel. I still dont know if my problem would have ...

6 Replies

2483 Views

Last post by mioba
16 Jun 2026, 20:06
SU diaphragm type petrol pump

Last post by simonmarsh « 16 Jun 2026, 00:09
Replies: 4
by simonmarsh » 15 Jun 2026, 00:37

Has anyone tried using an SU diaphragm type electric petrol pump? I read in practical classics recently that they are quieter than most and only pump...

4 Replies

2481 Views

Last post by simonmarsh
16 Jun 2026, 00:09
Cone shaped gauze filter

Last post by shrig1969 « 15 Jun 2026, 11:03
Replies: 4
by shrig1969 » 09 Jun 2026, 17:09

Hello all
I need to source a replacement fuel filter. The one that is found inside the inlet port on my Pierburgh carburettor. Mine has a hole in it....

4 Replies

2361 Views

Last post by shrig1969
15 Jun 2026, 11:03
CV Boot Split!

Last post by tobydog « 11 Jun 2026, 08:59
Replies: 11
by KDBus » 08 Jun 2026, 22:15

Hi All,
In need of a quick temporary fix!
Gearbox end cv boot has split and I wondered if anyone has successfully fitted a split/glue together type...

11 Replies

3399 Views

Last post by tobydog
11 Jun 2026, 08:59
New pads/bearings/disks - Grease cap exploded off. Regrease needed?

Last post by mioba « 10 Jun 2026, 19:16
Replies: 14
by Middle29 » 06 Jun 2026, 08:04

Hey all - had the front brakes sorted out. Was driving gentle on the brakes for a bit but had some enforced hard braking. Loads of smoke and the...

14 Replies

4526 Views

Last post by mioba
10 Jun 2026, 19:16
No reverse in my 5 speed westy

Last post by Swordfish93 « 10 Jun 2026, 07:41
Replies: 4
by Swordfish93 » 09 Jun 2026, 21:31

Hello, I seem to have lost reverse in my 83 westy 5 speed. When i try to put in in reverse and let the clutch go i here a soft wurring sound but no...

4 Replies

2282 Views

Last post by Swordfish93
10 Jun 2026, 07:41
Jobs while fuel tank out?

Last post by jigarai « 09 Jun 2026, 17:08
Replies: 11
by jigarai » 05 Jun 2026, 12:35

I’ve dropped the fuel tank today as was running badly symptoms of poor fuelling so having done a new fuel filter. Fuel pump is pretty new, wiring to...

11 Replies

3610 Views

Last post by jigarai
09 Jun 2026, 17:08
Adjusting gear shift

Last post by DeeBee « 09 Jun 2026, 07:11
Replies: 17
by DeeBee » 23 May 2026, 18:11
1

2
Having issues selecting gears (esp first, the shifter selects what feels more like third!)
Decided to use the Bentley manual to help adjust gear...
17 Replies

7642 Views

Last post by DeeBee
09 Jun 2026, 07:11
Fitting late stainless steel exhaust to early 1.9 WBX van

Last post by Aidan « 07 Jun 2026, 06:52
Replies: 6
by Bessaboy1949 » 30 May 2026, 10:31

I have an 1984 1.9 WBX van that requires a new exhaust system. I have an off the shelf exhaust kit that is designed for an 1985 and up
I purchased...

6 Replies

3081 Views

Last post by Aidan
07 Jun 2026, 06:52
Qu for Aidan

Last post by Aidan « 06 Jun 2026, 08:28
Replies: 3
by mioba » 05 Jun 2026, 16:05

I got a paper gasket for the reverse light housing from BW.

But it protrudes alot. Closer inspection of the housing cover shows it should be a...

3 Replies

2380 Views

Last post by Aidan
06 Jun 2026, 08:28
Engine Clean/Degrease

Last post by silverbullet « 05 Jun 2026, 11:30
Replies: 1
by Lillythefrenchie2026 » 05 Jun 2026, 09:41

So the moment I’ve been putting off but is unavoidable, I think the engine bay in my 86 has never seen a brush since new and needs some TLC, I’m...

1 Replies

2056 Views

Last post by silverbullet
05 Jun 2026, 11:30
Hydraulic cam followers.

Last post by mioba « 01 Jun 2026, 15:25
Replies: 1
by escovedo » 01 Jun 2026, 07:26

Advice required on the fitting of new hydraulic cam followers to my 1.9 DG engine van.
On other Audi/VW vehicles that I have owned and fitted new...

1 Replies

2085 Views

Last post by mioba
01 Jun 2026, 15:25
Water pump and alt conversion to single belt

Last post by Oren Kipnis « 29 May 2026, 19:49
Replies: 5
by shampooefficient » 28 May 2026, 12:00

I'm looking at this engine and realising it has some subtle differences to the original. And some not so subtle. Next up is the alternator wiring....

5 Replies

3067 Views

Last post by Oren Kipnis
29 May 2026, 19:49

New Topic

7798 topics

Page 2 of 156
- Jump to page:
Previous
1
2
3
4
5
…
156
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum