Gear box problems
Gear box: It is the place where the different "gears" of the cars are located.
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More specific problems:
Related problems:
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Top problems
Engine revs 
Solved
Mazda Mazda3 2013 2.5 sedan 100000 miles
Changed the neutral safety switch and now rpms are always high and manual shifting no longer works.
1 report
Best answer (according to RobT)
RO
I pulled the two 15 Amp fuses and the computer reset itself.
Vote helpful
CommentShifter problem Solved
Mazda Mazda3 2003 1.6 133408 miles
Gears (1,2) engage with great resistance, but not always
1 reply
Best answer (according to mrmati1111)
You dont t have to worry it is just the lower tempretature outside makes the oil harder and that s why
CommentHard jerk while shifting
Mazda Mazda3 2012 Sedan 320000 miles
When the car is being put in drive or reverse it jerks very hard and shifts gear very late with very hard jerk did change the gear box twice still the same why can I do please help
1 report
Send the tcm to reprogramm or diagnostic. Tcm in the mazda 3 2.3l is over the gearbox under the battery. The excesive heat makes them malfunction. Or so they say. I moved mine to the firewall.
Hey I've tried to look for it but never found is there any way I could get in touch with you so you could guide me btw it's 1.6L and it's a GCC spec with doch engine
CommentAutomatic transmission
Mazda Mazda3 2006 Sedan 11200 miles
Automatic transmission a
Is auto shift. And delay
Is auto shift. And delay
1 report
CommentManual transmission hard to shift
Mazda Mazda3 2010 Sedan 253000 miles
The transmission is hard to shift, and gets worse as the transmission gets hotter. I have adjusted the shifter cable, lubed all external linkages, flushed and bled the clutch hydraulics, and changed the transmission oil with OEM.
4 reports
CommentOBD II says Bank I sensor I code P2251
Mazda Mazda3 2009 Manual 2.3l 200000 miles
Jerking hard when taking off
The transmission won't shift to reverse
Mazda Mazda3 2009 Mazda 3 2.3 85000 miles
When I shift the shifter to reverse the transmission won't respond it's like if I put it on neutral
Transmission not shifting correctly after engin repla ement
Mazda Mazda3 2007 Transmission 165119 miles
Transmission is not shifting correctly after the engine rebuild. Mechanic saidit could be a sensor
4 reports
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