M32 Gearbox
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- Опубліковано 1 жов 2024
- Replacing 3rd and 4th gear on my m32 box.
This Kit comes complete with the 2 gears, synchro's etc and Cost £125.
I got it from: one stop gearbox shop, all oem parts. Good stuff.
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I read EVERY single legit comment.
What tools did you use to take off bearings, especially one inside the cover?
The bearings inside cover I used my welder. Check out the full rebuild video.
My Astra had a really bad humming noise in every gear. I tuck it to 3 places 1 said clutch bearing other 2 said gearbox. It sounds like an old train the noise goes very very quiet in neutral. Any idea what it is? The noise is worst when I am going down hill rather than uphill. Also how long does it take to remove the gearbox from an Astra 1.4 petrol? Thanks please reply
Unfortunately with all that type of diagnostic/guessing you wont truly know until all stripped down and inspected. I definitely wont know just with a UA-cam comment.
With that said, coasting down hill in gear makes the wine louder highly likely gearbox bearings are warn. Not sure exactly on 1.4 gearbox but generally around 4hr to remove should be enough.
Check or change gearbox oil
Does gear leaver jump or move much when going from acceleration to deceleration?
I know of a Renault with gearbox wine.....had it for years. Still works.
my 2009 fiat bravo 1.4 t-jet 150 hp has m32 gearbox. i changed gerabox oil 2 yeasr/35 000 km before. when should i do he next oil change?
It depends on what kind of driving you do. If just a street run about then probably 30,000km then change. If hammered on a track then probably 5 / 10k...
Have the same problem after the rebuild. Ordered new synchros so will try to replace the old ones. Hopefully they are compatible with old sleeve and gear design, because I see that the part numbers have changed..
Oh yeah. Mine has been faultless since the new synchros were fitted. Fingers crossed you get it sorted👍
Hi. Yesterday I changed the oil in my gearbox after 174 thousand km, and I was surprised by the amount of oil poured out about 1.6 liters of oil🤔. Fortunately, I did not find metal filings on the butt plug, with makes me happy 😊
Nice, always good when clean oil comes out.
@@boosthit811 Especially when you change it for the first time, full pants or sometimes half a gearbox will not come out with oil 😁
Hi, I got an astra gtc 1.4t. Recently I think I stripped my third gear. There is a whine in 2nd gear which progressively becomes louder. At first downshifting into third it would crunch and now it pops out of 3rd gear when I accelerate. I'm worried because now my 4th gear also crunches when downshifting now. What's your advice?
Unfortunately there is no quick fix with gearbox issues. With something like that you wouldn't know until stripped down. Possibly more cost effective to find a good second hand box.
@@boosthit811 thank you for the quick reply boss
Hi i get gearstick movement when i lift the clutch in 1st and 4th gear do you know what that could possibly be? Also my gearstick gets very stiff after long periods of driving for example the gearstick will not centre to neutral after a long drive but will be fine after the car is cold again any ideas? thanks
I would do a gearbox oil change first. See what the oil that comes out is like. Check the gearbox mounts especially the near side one.
@@boosthit811 Thanks will do i have it booked in the garage for a gear oil change and they said they would have a look at the gear turret and make sure its ok i will post back my results :)
Hi, i have this weird movement ua-cam.com/video/l-lr9uVdGtc/v-deo.html Is it a gearbox problem and what should i do to fix it?
I would be checking your engine/gearbox mounts first
@@boosthit811 Already checked them, seems fine
Did you found out the cause? Was it because of the synchros or because of the 4th gears cone which didnt want to grab? because..why the same synchro did grab 3th gear but didnt want to grab 4th one? I have the same problem but with the 3th gear. 4th one engages fine but 3th one only if done slowly wont grind.
I bought the 3rd gear/synchro and hub kit. The synchro was just really warn. It's been excellent since fitting.....about a year ago.
@@boosthit811where did you find the kit? I can't find any here in the U.S.
@@carterkellam2961 from UK ebay
Wtf is fibre steel?
Ha. I just miss spoke. Its steel with a friction material bonded to one side.
Wich oil did you use and how much liters?
I used 3ltr and motul gear 300. Courtney autosport also sell a good oil. Dont have to use Motul.
If you just do a box oil change then 2.6ltr. If gearbox full strip, diff out etc then 3ltr.
Who said to you to use 3l of oil ? The guys at courtney ? Im using 2.7 of fuchs sintofluid 75w80 and im gonna change every 30/40k km
I got the exact same problem with my m32 . I ordered just the synchros ..it should be enough to fix the problem
Yeah you will soon know, do the same test as in this video. 👍
@@boosthit811 Did you tried to change the synchros first ?
@@Danidasanic I just went for the complete 3rd-4th gear kit. It was around 100£. I didn't want to have to remove and split box a 3rd time ha!
@@boosthit811 yap...it's a pain in the butt ...they are selling the kit for 150£ . I bought the bearings and synchros from them . The old hub has the same dimensions ,right ?
@@Danidasanic ok. From memory yes, but once strip down the gear set you will be able to see what's up. Problem is when syncros don't speed mach the gear to allow a clean shift it can damage the teeth that the shift sleeve locate onto.