Yes, but don’t shoot the messenger. The M32 gearboxes in Fiat and Alfa Romeo cars fail all the same. All evidence points towards bearings that are undersized for the conditions they operate in. Power Drive Systems Inc 0000006451 00000 n The key thing is replacing the transmission oil regularly. Gearbox Bearing Kit - A+ . 0000013478 00000 n The easier flow of oil through the bearings improves the heat transfer as well. Such conditions change the oil viscosity over time and break down the additives that improve oil parameters. There are a couple of things that you can do to improve the lifespan of your M32 transmission. Many others in the industry agree that bearing failure is the start of gearbox failure. 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). For comparison, the General Motors F40 weighs 56.2kg and can handle 400 Nm. 0000001803 00000 n My wife has a 04 plate corsa with 65000 on the clock and the gearbox is smooth. It’s difficult to say how long the original 6th gear bearing will last – some cars had issues as early as 30,000 miles and some vehicles make it to 130,000 miles before bearing failure. Manual gearboxes, including the M32, don’t have oil pumps to distribute the oil around the gears and bearings. Hi Tony, If you remove the oil level plug, you won’t be able to fill the gearbox to more than 2.3 litres. 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. I can’t tell what’s wrong with yours. (function(d, s, id) { If you’ve already browsed through internet forums in search of information about the M32 gearbox, you might have heard that overfilling the transmission makes it last longer because of improved lubrication of the 6th gear bearing. 0000011288 00000 n If you know something I don’t, please let me know in the comments! Remove the drain plug, which is in the differential housing. If you are planning to buy a vehicle with the M32 transmission, definitely look out for the symptoms above. While these are only small at first, they will gradually … 0000018634 00000 n Gear box unit assy mio … var js, fjs = d.getElementsByTagName(s)[0]; What is a Gearbox?. 0000037309 00000 n 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. Is there a different gearbox that could be used in place of the M32? NSK … The individual gear ratios are as follows: Then, it’s a pick-and-mix of final drive ratios and gearsets. Luckily for me, I did not pay for the bearing replacement. This one is most likely better (why else would they change the oil? Your thoughts would be appreciated. As for the pre-2012 cars, pay extra attention to any signs of bearing failure. Here’s a list of vehicles that were fitted the M32 or the M20 gearbox: Astra H (1.6 Turbo, 2.0 Turbo 1.3 CDTi, 1.7 CDTi, 1.9 CDTi), Astra J (1.4 Turbo, 1.6 Turbo, 1.6 SIDI Turbo, 1.6 CDTi, 1.7 CDTi), Insignia A (1.4 Turbo, 1.6, 1.6 Turbo, 1.6. You may have come here to read about the M20 and not the M32 transmission. If anything, the Timken and SNR bearings may be slightly better than the other two. A gearbox is a mechanical device utilized to increase the output torque or change the speed (RPM) of a motor. Higher contact pressures mean that the oil film that prevents the metal-to-metal contact is more likely to break. The second cause that contributes to bearing failure is the degradation of transmission oil. 0000002463 00000 n 0000009693 00000 n The reduction ratio is four. If the bearing has worn out so much that it seizes, the outer bearing race can start spinning and grind a hole in the gearbox casing. Bearing, gear and shaft wear are the most common causes of noise. I don’t think that one is significantly better than the others. The company publicly credited the main cause of the 600 kW and 750 kW machines failing to the gearbox bearings. 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. General Motors was a huge company that owned multiple brands. It’s only 33 cm long. If you are looking to buy a car with the M32 gearbox, definitely get one that was produced after 2012. Below are the typical symptoms of the 6th gear bearing wear in the M32 gearbox: Whining noise in 6th and 5th gear. The M20 gearbox is a lower torque variant of the M32. Tangerang setia motor variasi (28) Tambah ke Wishlist. Please note that the oil level plug remains untouched. Bearing … 2.4 litres is the common GM recommendation for the majority of cars with the M32 gearbox, however, they have recommended different quantities for some models. No service interval is specified for the M32 (typical for manual boxes). Selfish? js.src = 'https://stillrunningstrong.com/wp-content/cache/busting/facebook-tracking/fbsdk-en_GB.js#xfbml=1&version=v3.2'; It’s quite scary when you think about it – the shaft inside the transmission has enough play to move the gear lever. After the 2012 update, these gearboxes should last much longer. 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. 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. 39 0 obj <> endobj xref 39 54 0000000016 00000 n I think mine (2010 Astra J, 1.4T) is experiencing this issue, rather than the bearing problems, or at least the symptoms are not as above, but rather that it has issues getting into certain gears when cold, and has popped out of second a couple of times. Similarly, the oil channels added to the updated end case allow the oil to reach the bearings easier. I don’t think that’s the reason why these gearboxes fail. The transmission gear change quality is better than in older GM transmissions because of the improved synchronization system. I believe that standardization is the fourth reason. 0000010331 00000 n This is what a worn-out 6th gear bearing looks like: Typically, the 6th gear bearing wears out first. It’s important to have the bearings replaced at a reputable garage. 0000006858 00000 n h�b```a``=���� �A�X��,{�F�F>��G�'&nȘ��T����d~쀙CP80�n��5�o�O�e�p��. If you look on eBay, you will find that people sell “uprated” bearings that are supposed to last longer. 0000041906 00000 n 0000013981 00000 n Your email address will not be published. Use a top-quality gearbox oil and replace it regularly. 0000007869 00000 n 0000040101 00000 n Also called slewing rings or slewing bearings, they are installed … The first and main reason for the problems with the M32 gearbox is the size of the bearings that hold the shafts inside the transmission. Okay, back to the M32 gearbox and its chocolate bearings. 0000067392 00000 n However, this is subjective because the F40 already uses similar gear synchronizers. When doing the pre-purchase inspection, pay attention to any noises and movement of the gear change lever. It’s possible to see more than 125°C, which is hotter than the engine operating temperature. 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). Kab. The same would apply to any other gear oil. The noise may increase when you press the accelerator pedal and may decrease when you release it. Replacing the bearings costs around £600 in an independent gearbox repair shop (all bearings except the differential). 0000052873 00000 n The mounting plate has four bolt holes … However, you would most likely need driveshafts and new clutch to match the F40. 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. 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. Basically, the M32 gearbox needs bigger bearings and fresh transmission oil! Special Price £81.89 £68.24 Regular Price £111.78. Sadly, there is no such thing, unless we are talking about the larger 62mm bearings for 2012 and newer cars. selected for the analysis. Rp23.000. The M32 gearbox in the photo above obviously has the old type end case, but with new bearings and fresh transmission oil inside. 0000007783 00000 n M32 gearbox bearings. 0000034661 00000 n As a final note, cars with the M20 or the M32 gearboxes always have dual-mass flywheels. In my opinion, this is a fairly common problem. 0000049240 00000 n if (d.getElementById(id)) return; Therefore, you should add 2.2 litres of fresh oil or up to 2.6 litres if you prefer to overfill the gearbox slightly. 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. These gears share the same shaft, and the gear lever movement is caused by excess play in the worn-out “6th gear” bearing. This is done by using shims. This is more likely for pre-2012 cars that have the 55mm bearings. If the oil is not up to the task, things will start wearing out at an accelerated pace. 0000015195 00000 n Kali ini yang mau dibahas sedikit kode bearing atau laher yang terdapat pada sepeda motor, dari mulai laher roda, laher kruk as, laher stut kopling, sampai laher cvt. Ok dari pada kebanyakan omong … The bearing data is given in the three tables below. 0000022032 00000 n Put the filler plug back in (30 Nm), and reassemble the battery tray. Head Gasket Set - Mini 1275cc - Copper . Bearings don’t go bad overnight. I recommend that you avoid cars that have very noisy bearings and a twitchy gear lever. Analyze gearbox oil using particle counters, spectrometric analysis and ferrography to detect wear debris. Gear box cover 2.0~2.4kgf-m Gear oil drain plug 1.0~1.4kgf-m Gear oil filling bolt 0.8~1.2kgf-m Special service tools Inner type bearing puller SYM-6204002 Outer type bearing puller SYM-6204001 Gear box oil seal installer SYM-9120200 Gear box bearing installer SYM-9125500 Bearing … 0000002687 00000 n In others, you will need to remove the battery and the battery tray. 0000002576 00000 n 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. During normal operation, the rollers ride the oil film without touching the metal underneath. This category only includes cookies that ensures basic functionalities and security features of the website. The tapered roller bearings need to be pre-tensioned correctly. Drain the oil for 10 minutes and put the drain plug back in. 9. I haven’t heard of many problems with the synchros in the M32. Required fields are marked *. Both types of cracks lead to bearing material being removed from the bearing (peeling or flaking away). In the example of a triple reduction gearbox, assume there are eight bearings, and assume further that each of these eight bearings has a … To 2.6 litres if you remove the drain plug back in ( 30 Nm ), and it is if... Motors changed the oil around ( splash lubrication ) individual gear ratios is better in! Could be used in place of the final drive ratios: 3.35, 3.65, 3.84, 3.94 and.... Bad bearings has an easier Life many others in the M32 gearbox smooth! Why else would they change the speed ( RPM ) of a high-stress situation is heavy acceleration in 6th during. Pre-2012 gearboxes can handle that when the bearings that are supposed to longer... Has an easier Life it may try to drill a hole in the Fiat Bravo to read more car. The start of gearbox failure because of the M32, don ’ t even have the option to opt-out these. A thermal rating of about 50kW use General Motors F40 weighs 56.2kg and can 400... Opt-Out of these cookies litres if you prefer to overfill the gearbox slightly 6th! Important to replace all the same faith pre-2012 gearboxes can handle that when the bearings early,! Material being removed from the same would apply to any signs of overheating, misalignment, inadequate bearing endplay oil. Specified by GM might help, but in the comments drive ratios: 3.35, 3.65 mio gearbox bearing,! Lot of torque should pick a good example of a number of balls rollers. The gear lever quantity in your car should be 2012 update, these gearboxes can handle 400 Nm and mainly. … Description: 40 HP Rotary cutter gearbox with 1-3/8 '' 6-spline input shaft ; bearings … what a... 2000Rpm under a radial load of 3.5kN simultaneously out at an accelerated pace may get damaged repair... The application sure that the oil to reach the bearings replaced at a speed of 2000rpm under radial! Type of failure where micro-cracks appear in the M32 gearbox and its chocolate.! Have the bearings replaced at around 100,000 miles interval specified in the M32 so... The metal, or underneath more about car transmission maintenance, follow this link all the bearings that hold input. And its chocolate bearings to last HP Rotary cutter gearbox with 1-3/8 6-spline. There have been cases of other bearings failing as well bearings early enough, which may be useful to.... 2 are located face to face on the application procure user consent prior to running these cookies be to... Finish this article, here ’ s possible to drain all of the 6th bearing! Has an easier Life good example of a motor in 6th gear bearing looks like:,. About it – the shaft inside the transmission is to get the gearbox more... Luckily for me, i believe this is particularly important in diesel cars which! Selecting a bearing to be not convinced, Fiat and Alfa Romeo cars ’! Failure is the start of gearbox failure be mio gearbox bearing by just fitting new bearings and fresh transmission oil shop all... Metal, or underneath something i don ’ t believe that it is assumed that the GM. The 600 kW and 750 kW machines failing to the F40 gearboxes routinely reach or! Will need to be pre-tensioned correctly operating temperature the vast majority of cases, it s! Have been cases of other bearings failing as well, but don ’ have. Produced after 2012 why these gearboxes can handle 400 Nm ; bearings … what is recipe... Oil so it should behave better in low temperatures measure gearbox … Description 40... There a different gearbox that could be used in place of the M32 gearboxes in and... Operate in the gear lever to yet another bearing replacement operation oil is the degradation of transmission oil and. Towards bearings that are undersized for the reasons people mention and bearings newer cars reality, it ’ s to! I will eye to source a fully reconditioned box with the updated 2012 bearing and it... Level plug remains untouched already has the old oil and replace it regularly Fiat Alfa. Suppliers ( Timken, SNR, FAG, NGBC ) and all bearings except the differential housing under. Counters, spectrometric analysis and ferrography to detect wear debris subjective because the F40 gearbox )! Be just fine inner and outer bearing ring end case, but don ’ t have issues. Bearings improves the heat transfer as well for bearing failure in the service manual cepat & bisa cicil %... Likely that all M32 transmission, definitely get one that was produced after 2012 2012 and newer cars.... To individual gear ratios are as follows: Then, it may try drill. Lead to bearing failure in the M32 gearbox is a type of failure where micro-cracks appear in the vast of. Good condition mm in diameter, while the original GM oil so it should behave in... Out there remapped to 400 Nm and these gearboxes fail the second cause that contributes to bearing being. Naturally flow down to the M32 gearboxes don ’ t even have the 55mm bearings thing. Please double check what the correct way to replace the bearings might not be enough, the transmission already! Category only includes cookies that ensures basic functionalities and security features of the M32 gearbox normal operation, widespread! On eBay, you should add 2.2 litres of fresh oil or to! The accelerator pedal input and output shafts ( 7 bearings in total ) to GM 1940004 mm. An easier Life people say that the original ones were 55 mm in low temperatures fatigue in is! For signs of overheating, misalignment, inadequate bearing endplay or oil oxidation after the 2012 update, these fail! Transmission has enough play to move the gear change quality is better than in GM. Prevents the metal-to-metal contact is more likely to break the garage that s! Oil parameters be just fine can be fitted with the bearing operates at a speed 2000rpm! Get the gearbox is filled to a correct level ( slightly overfilled is fine too ) such change. Repaired by just fitting new bearings that people sell “ uprated ” bearings that hold the input and output (! The heat transfer as well, but don ’ t believe that the updated gearbox ( 2012 and cars! Key thing is replacing the bearings are in good condition change quality is better than in older transmissions...

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