- #Vw o2j transmission manual#
- #Vw o2j transmission upgrade#
- #Vw o2j transmission code#
- #Vw o2j transmission series#
Gaskets for 02J manual transmission comes with all 9 o-rings Input-shaft bearings, and also includes the 02A311375Cīearing assemble under 5th gear on output-shaft.
#Vw o2j transmission upgrade#
Our rebuild services can be found here for all types of boxes.Shipping Upgrade to Priority Mail ** when you Of course in order to change the gearing on a gearbox it is necessary to strip and rebuild it. Custom Gears these are also usually Heavy Duty gears and are available in a range of ratios for both 3 rd and 4 th gears (4 th and 5 th in a 5-speed) so you can tune your box very accurately to your tyre size and engine choice.Īs you can see here are some examples of how you can change a high revving gearbox to a much more lower revving one in the “Modified” toggle option above.Stock Gears either by changing the highest gear usually a 0.85 to either a 0.82 or 0.78 gears which are found in diesel or 5 speed gearboxes.changing your Crown and Pinion ratio this will lengthen all the gears in your gearbox.Of course, if you are unhappy with your gearbox it is always possible to change the gearing.
Also, it will show you which revs it should have at a given speed.įor those of you wishing to convert your van this shows which boxes are more suitable for engine conversions.
#Vw o2j transmission code#
In the OEM Gearbox toggle option just above, you can find your VW Gearbox code and see what type of box you have, which gear ratios it has, and which engine it was originally mated to. Syncro AHF converted to TDI with longer 3rd and 4th and bigger tyres 215/75/15 Same gearbox with a longer 3rd and 4th gear Same gearbox with a 4.14 Crown and Pinion Some examples of modified boxes with different gearing RPM mph in top gear with 185/80 R14 tyres (651mm dia):Īs you can see here are some examples of how you can change a high revving gearbox to a much more lower revving one in the table below: Green = Low Revving Gearbox > Red = High Revving Gearbox You can also rub some Tippex over the area can also highlight the letters and numbers for easy reading. It is often necessary to give the area a good clean with a wire brush and cleaner. Often it is very hard to decipher the code and numbers due to corrosion to see them properly. The code is the number and letter or the letters, the numbers signify the date of manufacture.
#Vw o2j transmission series#
The gearbox code is the bottom of the gearbox and on the left side between the ribs and the gear carrier, it will usually consist of a number followed by a letter or two or three letters followed by a series of numbers. To identify your gearbox you will need to find the code, as shown in the picture below. With engine conversions often the box that is mated to the engine may not have been suitable being either too low or high geared resulting in poor fuel economy and performance. Often gearboxes have been changed during the life of the van so your gearbox may not even be the original one that it left the factory with. Some boxes even came with limited-slip differentials and in the case of Syncro gearboxes and front differentials, there was an option for a locking differential a decoupler, and even a Power Take Off. The boxes also came in either as a 4-speed or 5-speed.
Depending on their application whether it be commercial or passenger type and engine type the gearboxes have different ratios some being low revving and others high revving. VW T3/T25 gearboxes come in a variety of flavours ranging from gearboxes designed for early 1600cc and 2-litre aircooled engines to 1.6 litre and 1.7 litre normally aspirated diesel engines and 1.6 litre turbo diesel up to the later 1.9 and 2.1 litre water-cooled petrol engines and Syncro models both 14″ and 16″.
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