Also for M32, How can we identify ratios ? If you are looking at the transmission itself, the M32 number should be listed on the transmission itself. Transmission Warranty. This includes strip down, clean and inspect, then replace bearings and driveshaft oil seals and rebuild the gearbox. Casting numbers on the case, cover or extension housing are 13-51 or 13-52. The 4L65-E has five-pinion planetary carriers. And I'm looking for gearboxes since. If there is any damage, please contact Steven Garland via email with photos indicating the damage, Below is an image of a M32 Gearbox Generation 2 casing (Left) the easiest way to identify one is the large gallery vein which can be seen running from the Center to top left, and lack of oil filler/level bung on the lower left-hand side, where it is situated on the first-gen units. I am however under the impression that my gearbox is an M32 due to reading a previous post on here with the same problem but I will definitely check out the side of the box and give the chassis number. There is a list of RPO codes in there. Price from £384 plus bearing kit and any additional required parts. I have heard so much on here about the 2.0JTDm can have any one of 3 gearbox's depending on what was on the line at the time, F40 M32 C360 I won't buy another car with an M32 gearbox on again (ever) so don't want to get stung with a 2.0 that should have an f40 but doesn't. Axe. Really helpful guys thanks . Pushing the Limits It is also known as the M32 transmission option. Performance versions of the 4L60E are sometimes also designated with M32. Prior to transmission fitment to vehicle, please inspect the transmission for damage. Who told me what to do. You can check transmission codes, designations and even try and gauge the difference between input shafts, but the key differences are only visible inside the transmission. Reply. The number on the front cluster gear ⦠Design. : first of all I started from the main weak point of this car - gearbox. Identifying Which Models Have the Dreaded M32 Gearbox 04-08-2019, 09:23 PM. It has large sun-shell gears that are manufactured from powdered metal, which is a process that increases the strength of the components. M32 Gearbox Overhaul and bearing replacement service. Vauxhall/Opel Gearbox Identification The question often arises as to how to identify the gearbox types on Vauxhall/Opel vehicles to ascertain correct cutch and CSC (Concentric Slave Cylinder) application as there is no means of identification by using the vehicle VIN number. 5th gear (overdrive) is located at the rear of the transmission in the extension housing. The cluster gear is supported on both ends by cylindrical roller bearings. Ultimately, your best bet towards identifying a 4L65E is to bring it to a shop. M32 is also a high performance version of the 4L60E, depending on the year. Thatâs the code for the 4L65E, just like how the 4L60E is M30. Just swapped to F40 gearbox. GM Holden Remanufactured Transmission warranty policy is applicable for 2 years or 50,000 km from the date of fitment, whichever comes first. Save Share. In Wikipedia there is such information but in which gearbox ? In most cases it is a straightforward bearing replacement job with existing components being serviceable. One of the codes on there will be M32. In Alfa romeo Forum, there is a friend of mine. I'm sort of thinking about getting another Insignia, and wondered if anybody knew of a quick/easy way to identify which models have the infamous M32 chocolate gearbox? The M30 designation refers to the older 4L60-E transmission.