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Mazda Engine General \  Clutch pedal

Clutch pedal

Mazda Engine General Mazda Engine Mazda Tech
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replies 4
following 3
 
alittlelow   +1y
Hey guys why would my clutch pedal stick to the floor
ulrich   +1y
One possible reason: Your clutch master is toast.

Here's a wee write up on my swap.:
Cusser   +1y
Yep, 99% of the time clutch hydraulics or clutch line leak (there are two flexible sections and some hard line). I'd recommend to replace both clutch master and clutch slave, and don't forget to bench-bleed the clutch master.

This happened to mine about 2003.

Clutch master cylinder
Remove fluid from the reservoir, use a 10mm flare wrench to loosen the line to the clutch master, then remove the two nuts from the firewall under the dash using a 12mm socket and ratchet wrench. Pull the clutch master out to the front. Bench-bleed the replacement clutch master, thread in the fluid line several whole turns by hand, then tighten the two nuts, tighten the fluid line with the flare wrench, add fluid, and bleed through the slave cylinder.

Clutch master cylinder tips Clutch slave cylinder tips
Bench-bleed the clutch master cylinder before installing.
Use a flare wrench for initial loosening and final tightening of fittings so they don't round off.
Loosen the line from the clutch slave a little BEFORE unbolting it from the transmission (and the reverse when installing).
Bleed out ALL the old dirty clutch fluid (brake fluid) when bleeding so no old fluid remains in the system (don't let the reservoir go dry, keep topping it off as necessary).
alittlelow   +1y
Thanks for all help ulrich and cusser
Cusser   +1y
These cylinders don't seem to last all that long on these trucks, not sure why (my Frontiers are still on their original ones). I've had several "brands" under my lifetime warranties over the last 20 years, have replaced each about 5 times. I like to replace both when I do this.

Anyway, my lifetime warranty on these may have run out, as CarQuest had purchased the place which granted the warranty, so I have closeout ones from Rock I'll try next time, those things were like giveaway prices.
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