Hey guys, new on the site here and this should be an easy one!
SPECS:
2010 Mazda 3 with the 2.5L and a 6 speed manual transmission.
ISSUE:
Grinds terribly going into first and grinds a little going into second, I think its time to replace the synchro's. While I'm in there I might as well do the rebuild but I cant find the model number for my transmission anywhere!!
I've decoded it, looked at the sticker in the door jam, googled and googled, scanned it with my OBDII reader, and looked in the owners manual. Lol any help would be fantastic!
Did u check to see if the clutch fully releases? There's a check in the FSM on how many inches above the floorboard the point of "start of engagement" is. If less than spec it's likely there's air in the clutch hydraulics. Principally affects first and second...
When you did the clutch did you change the gearbox oil? I've had those synchro symptoms suddenly appear when GL 5 oil was mistakenly used to replace GL 4.
Yes but I used the oil recommended in the owners manual, this has been a persistent problem since I bought the car. It's just getting worse and it's starting to annoy me to baby it so much haha, does anyone know the model number for this trans so I can order the rebuild kit?
Thanks for the reply! However i don't think this is the number im looking for:/ I cant seem to find anything online with it, i know the ATs have like a K5-FN4 style number (lol i just made this up but its roughly what I've been finding) shouldn't the manuals have a similar number?
if/when you get into a rebuild, replace the bearings and seals while you're there. doesn't make sense to do the job again later. i'm sure that's the plan anyway, doesn't hurt to say it
Thanks for the advice! Ya im def going to replace bearing and seals, and im going to inspect all gears and shafts for wear and do the "my daily driver" rebuild, ill be sure to start a thread when i tear down!
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This Manual Transmission 6 Speed 2.5L Fits 10-13 MAZDA 3 5725013 was removed from a 2010 MAZDA 3. Model MAZDA 3. MAZDA 3 10-13 MT; 6 speed, 2.5L. Fill transmission with manufacturer specified fluid.