I don’t think that one is significantly better than the others. GM 1940004 75W-85 (General Motors factory fill since 2012), Tutela Matryx 75W-85 (Fiat & Alfa Romeo factory fill), Fuchs Sintofluid 75W-80 (recommended by many drivers and Vauxhall tuners, definitely the most popular uprated oil for the M32), Red Line MT-90 75W-90 (slightly thicker than 75W-85 – better for track cars or in hot climates). Don’t use full engine torque in 6th gear. This works out much cheaper than replacing the whole unit. These bearings require a certain amount of play and pretension. The easier flow of oil through the bearings improves the heat transfer as well. It’s super common, so if you’ve ever owned a Vauxhall, Opel, Holden, Fiat, Alfa Romeo, Lotus, Lancia or Chevrolet you might have heard about the General Motors’ M32 transmission or maybe even had the displeasure to replace some gearbox bearings. (All M32 transmissions fitted till model year 2013 – Gen1) By fitting this special shift linkage you will … Remove the drain plug, which is in the differential housing. I have used the original end case and now need to set the … As you now know, the M32 gearboxes are very common, and these are some of the reasons why they are so popular: It’s a relatively lightweight transmission. y the time this happens, the teeth on the gear … Seal ring - axle shaft seal ring sealing flange, Needle roller bearing - 4th gear gearwheel, Needle roller bearing - 3rd gear gearwheel, Needle roller bearing - 2nd gear gearwheel, Needle roller bearing - 1st gear gearwheel. It is assumed that the oil will last the “lifetime” of the vehicle. Includes everything that is usually required to rebuild an M32 gearbox.M32 Gearbox … Just remember to replace the transmission fluid regularly. For many gearboxes, this works out fine. M32 Grenade Launcher (Call of Duty Modern Warfare 2019) This mod allows you to replace any bowgun with the M32 Grenade Launcher from COD MW 2019. If you leave a worn-out 6th gear bearing unattended for too long, it may try to drill a hole in the end case. My wife has a 04 plate corsa with 65000 on the clock and the gearbox is smooth. Personally, I’ve had two cars with the M32 gearbox, and both had bearings replaced at around 100,000 miles. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Buying a car that already had the bearings replaced (at a reputable car garage, with a receipt to prove) is also a great scenario. As for the pre-2012 cars, pay extra attention to any signs of bearing failure. It comes with MIL-STD 4 pin plug for PTTs (Nexus TP-120; Not compatible with … Actually, they are almost identical. The oil does have a tough job in the M32 gearbox, because of the highly-stressed bearings. Okay, back to the M32 gearbox and its chocolate bearings. ... On the other hand - the M32 box on the van, gets the same treatment and I've had … Improved smooth-running performance 3. The M32 gearbox is used in many Vauxhall/Opel applications including Astra H VXR, 1.9 CDTi, 2.0 Turbo, the equivalent Zafira B models, Corsa D models including VXR and SRi Turbo, Astra J, Insignia, Meriva and Mokka . The M20 is rated at 200 Nm and is mainly used with small diesel engines like the 1.3 Multijet/CDTi. js = d.createElement(s); js.id = id; The transmission’s fluid fill quantity is 2.4 litres. So, if the contact pressures in the bearings become too high for the oil to handle, metal-to-metal contact will occur, and bearing material will start being worn away. The M32 gearboxes in Fiat and Alfa Romeo cars fail all the same. Reply Reply Author. I can’t tell for sure, but the M20 should be somewhat more reliable because it transfers less torque than the M32, while the bearings are the same. Vauxhall have used the M32 gearbox across a wide range of cars, the table below gives an indication of where they were used. Your email address will not be published. ), but I don’t believe that the original GM oil is the cause of the problems. Again, if everything is okay, you can buy the car, replace the gear oil and you should be fine for quite some time. The individual gear ratios are as follows: Then, it’s a pick-and-mix of final drive ratios and gearsets. Put the filler plug back in (30 Nm), and reassemble the battery tray. Bearing failure on the M32 gearbox is common more so on vehicles which have been tuned, however standard vehicles also suffer. js.src = 'https://stillrunningstrong.com/wp-content/cache/busting/facebook-tracking/fbsdk-en_GB.js#xfbml=1&version=v3.2'; Tighten it to 20 Nm. The oil change procedure is as follows (you will need access to the underside of the car): The oil fill plug is on top of the transmission, usually, right under the battery tray. The M32 gearbox in the photo above obviously has the old type end case, but with new bearings and fresh transmission oil inside. M32 Gearbox Overhaul and bearing replacement service. There are two things that cause bearing failure in the M32 gearboxes and both factors are connected. The 1.75 TBi, 1.9 JTS, 2.2 JTS and 1.9 JTDm engines are paired with the infamous M32 gearbox in the Alfa Romeo 159. One of the main factors that influence the useful lifespan of the oil is the operating temperature. Pre-2012 gearboxes can be fitted with the larger bearings, provided that the updated end case is used. The following exploded diagram shows the location of the components in the M32-6 manual transmission. Make sure the M32 gearbox is filled to a correct level (slightly overfilled is fine too). company number 7453778. Gear stick movement in 1st and 5th gear when pressing/releasing the accelerator pedal. On my old vec c cdti 150 (f40 box), the gearbox was good apart from 1st gear in cold. The transmission gear change quality is better than in older GM transmissions because of the improved synchronization system. During normal operation, the rollers ride the oil film without touching the metal underneath. Shift sleeve The synchronisation systems used for each respective gear will be shown in the following. It suffers from the same problems as the M32, so everything here applies to the M20 as well. This 4H-TECH Q-Shift is especially designed for Generation one M32 Transmissions. The overall length of the transmission is 329.5 mm.-----Failures This is based purely on my own experience of failures of this gearbox. The factory gear … These cookies will be stored in your browser only with your consent. You may, however, make a one-time permanent transfer of … fjs.parentNode.insertBefore(js, fjs); Check if the gearbox is quiet in all gears, and check if there is any movement of the gearstick when you press and release the accelerator pedal (in 1st and 5th gear). I think I’ve got all the European cars on this list, but I might have missed some Chevy models and other non-European cars. This category only includes cookies that ensures basic functionalities and security features of the website. Hi, I have a Saab 1.8 petrol and … The maximum input torque for the M32-6 manual transmission is 320 Nm. You also have the option to opt-out of these cookies. So make sure that the people in the garage that’s going to repair your M32 gearbox know what they are doing. If everything is fine, you can go ahead and buy the car. However, this is subjective because the F40 already uses similar gear synchronizers. I can’t tell what’s wrong with yours. Custom sounds are … To finish this article, here’s some technical data, which may be useful to you. The updated bearings are 62 mm in diameter, while the original ones were 55 mm. Filling it up to 2.8 litres is okay and may actually help. Old, degraded oil creates a weaker oil film that is more likely to break in high-stress situations. Manual gearboxes, including the M32, don’t have oil pumps to distribute the oil around the gears and bearings. Vauxhall Gearbox Cooler Kit ** This Gearbox Oil Cooler kit is aimed towards Motorsport and Track applications ** The main weakness of the M32 gearboxes its its inability … (All M32 transmissions fitted till model year 2013) By fitting this special shift linkage you will have a gear throw shortening of 35%. As I see it, they are simply too small. However, you would most likely need driveshafts and new clutch to match the F40. 41.5 kg without fluid. 3. A single-cone synchronisation system is used for these two gears. You can “upgrade” your current set up to accommodate new … M32 gearbox for sale Vauxhall Astra Club 1.7 cdti Ecoflex - non runner - recon m32 gearbox: 205 £ | Vauxhall insigia Astra MK6 zafira 2009-2015 6 Speed Manua It’s possible to see more than 125°C, which is hotter than the engine operating temperature. if (d.getElementById(id)) return; Here’s what gear stick movement looks like: And here’s what a worn-out gearbox bearing sounds like (not necessarily the 6th gear bearing): Remember that the gearbox is near the left wheel, so that’s where the noise will be coming from. The oil drain plug is in the differential housing, under the car. I’ve heard people say that the original General Motors transmission oil is bad (GM 1940182). This 3-shaft transmission has the following advantages: 1. (adsbygoogle = window.adsbygoogle || []).push({}); The M32-6 is a 6-speed manual transmission. In particular, the 6th gear bearing.. This includes strip down, clean and inspect, then replace bearings and driveshaft oil seals and rebuild the gearbox. They are also much thicker (17.5 mm instead of 13.7 mm). So what makes many other gearboxes routinely reach 100,000 or 200,000 miles without oil changes and no symptoms of wear? This one is most likely better (why else would they change the oil? However, before you do anything, please double check what the correct oil quantity in your car should be. Is there a different gearbox that could be used in place of the M32? The M20 gearbox is a lower torque variant of the M32. In most cases it is a straightforward bearing replacement … I think it’s likely that all M32 transmission will need to have the 6th gear bearing replaced at some point. Vauxhall M32 gearbox question. Two and three-cone synchronisation systems are used. The M32 6speed has changed a lot since it was fitted to the Astra H Vxr with its inability to take the power with oil starvation to sixth gear and chocolate bearing which after a … The shaft that holds the 1st, 2nd, 5th and 6th gearwheels is actually the one that’s mounted the lowest out of the three shafts. Underfilling the M32 gearbox is a recipe for bearing failure. Highly stressed bearings are also more likely to experience metal fatigue. This transmission is being used for the first time in the Astra-H in conjunction with the Z 20 LEL DOHC II turbocharged petrol engine. If the oil is not up to the task, things will start wearing out at an accelerated pace. Both types of cracks lead to bearing material being removed from the bearing (peeling or flaking away). Metal fatigue in bearings is a type of failure where micro-cracks appear in the bearing components. We’ll take great care of your M32 gearbox, we will steam clean it, strip it down, remanufacture using new parts where necessary and rebuild to our normal high standard. The weight of the M32-6 manual transmission is approx. The problem is that after 50,000 miles in the hot M32, the oil loses its properties and doesn’t offer the same protection as it did in the beginning. This bearing is commonly called the “6th gear bearing” because it is located next to the 6th gear cogwheel, and also because the typical symptom of failure is the gearbox making a whining noise in 6th gear. Fuchs Sintofluid 75W-80 is slightly thinner than the original GM oil so it should behave better in low temperatures. So, the choice is yours: Have your gearbox fitted … You are also likely to find reconditioned gearboxes and repair kits online. The M32-6 manual transmission also has a cable gearshift. Comment document.getElementById("comment").setAttribute( "id", "ac98ed26d837491dd52ae4e29688973e" );document.getElementById("d6e8f73929").setAttribute( "id", "comment" ); Necessary cookies are absolutely essential for the website to function properly. Complete rebuild kit for an Alfa Romeo/Vauxhall M32 Gearbox - Includes geabox oil, diff seals and all bearings, including 1 variation. Together, there are over 15 combinations. Obviously, remapping the engine is not good for the gearbox bearings, but you may get away with it if you’re careful: Accept that the bearing lifespan may take a hit in remapped diesel cars. Undersized bearings also stress the transmission oil, which leads us to the second factor that contributes to premature bearings wear in the M32 transmissions – the transmission oil itself. If you are looking at upgrading an old style M32 gearbox with the updated end case and new bearings, it would typically cost around £1000. Vauxhall M32 6-speed manual transmission. Luckily for me, I did not pay for the bearing replacement. The whining will come and go as you press and release the accelerator. Below are the typical symptoms of the 6th gear bearing wear in the M32 gearbox: Whining noise in 6th and 5th gear. The oil fill plug is on top of the gearbox, under the battery. One particular advantage of this 3-shaft transmission is that on the input shaft, the 3rd gear gearwheel is also used for 5th gear. This is one way to approach a problem like this. Hi Tony, The most common problem is worn and noisy bearings which cause the gearbox to whine in certain gears. The most common bearing to fail first is the one which sits above 6th gear. First of all, other gearboxes don’t have bearings made of chocolate. The 1.9CDTi (150) delivers 320Nm at 2000-2750 rpm. If you remove the oil level plug, you won’t be able to fill the gearbox to more than 2.3 litres. Other gearboxes that are filled with GM’s oil don’t have bearing issues. M32 Gearbox The M32 gearbox suffers bearing failure, but the earlier this is caught the cheaper it is to fix. Bearing fatigue and failure is the most common cause of catastrophic failure of the M32 gear box. The F40 will fit some Vauxhall cars with the M32. Original Poster. Once you get it, replace the transmission oil, and you should be just fine. The newer General Motors oil will do fine, however, there are better options available. The individual gears are selected by means of a central gearshift unit. Nowadays it seems to be the 'mod' to do to the gearbox with people running 2.8 - 3 litres now. There were many variants of the M32 gearbox when it comes to individual gear ratios. In my opinion, this is a fairly common problem. I recommend that you avoid cars that have very noisy bearings and a twitchy gear lever. However, I believe that it is essential if you want the M32 and its chocolate bearings to last. It is mandatory to procure user consent prior to running these cookies on your website. Now on the siggy with the m32 … The Getrag M32 gearbox is fitted to the Europa S, was manufactured by Getag. I have also had the 6th gear bearing failure and have just finished installing a SNR bearing kit through my M32 box. It’s not possible to drain all of the old oil and about 200 ml remains in the transmission. Your email address will not be published. When this bearing starts wearing out, the gearbox becomes noisy when driving in 6th and 5th gear. Now, if you test-drive a car that’s showing symptoms of bearing wear, you can try to knock £600 off the car price. The end case houses the problematic 6th gear bearing, and it’s just behind the front wheel on the left side of the car (UK’s passenger side). The second cause that contributes to bearing failure is the degradation of transmission oil. Price from £384 plus bearing kit and any additional required parts. Friday 11th December 2015. There are diesel cars out there remapped to 400 Nm and these gearboxes can handle that when the bearings are in good condition. It should be noted that to combat the failures, the latest M32 gearbox has been modified in an attempt to get greater oil flow around the enlarged 6th gear bearing. We’ll also guarantee our work for 12 months with unlimited mileage on fitted gearboxes, 1 year / 12,000 miles on supply only units and 3 months for all auxillary parts. A good example of a high-stress situation is heavy acceleration in 6th gear during a long motorway run when the transmission is already hot. If the bearing wear is noticed early enough, the gearbox can be repaired by just fitting new bearings. Yes, but don’t shoot the messenger. A typical problem with this 6-speed transmission is bearing wear. The filler plug is the first one that you should remove in case it’s stuck (you don’t want to drain the transmission and not be able to fill it back up). In this article, you will learn about the symptoms of bearing failure (which is what the M32 is known for), how to prevent it and how much it costs to fix an M32 gearbox that has already developed a problem. However, there were only five variants of the final drive ratios: 3.35, 3.65, 3.84, 3.94 and 4.18. M32 Gearbox Parts - Bearings, Seals, Differentials, End Cases Useful Information:M32 Fluid Capacity* - Astra H, Corsa D, Meriva A: Dry Fill - Approx 2.4L :: Wet Fill - Approx 2.2L. Many people think that the 6th gear bearing is mounted somewhere in the upper part of the gearbox where the oil doesn’t reach. Sadly, there is no such thing, unless we are talking about the larger 62mm bearings for 2012 and newer cars. In the middle of 2012, General Motors gave the M32 transmission larger bearings and added oil galleries in the end case for better oil flow. The maximum input torque for the M32-6 manual transmission is 320 Nm.. However, there have been cases of other bearings failing as well. The same would apply to any other gear oil. Here’s how you can distinguish the updated M32 gearbox from the previous model: With the steering wheel turned all the way to the left, this is what you should see when you look through the gap between the front wheel arch and the front left wheel: If you can’t see the gearbox this way, you will need to check from under the car. This 3-shaft transmission has the following advantages: In this transmission angular cone bearings are used for all shafts. It’s a three-shaft design, which makes it a compact gearbox. The following diagrams show the flow of power in the individual gears. An improved synchronisation system, already fitted to the F40 manual transmission, is used on the M32-6 transmission.