Mazda Tribute This low-priced SUV allows the driver the versatility of an SUV without the big fuel bill of many of the vehicles in the SUV class.

2008 Mazda Tribute master brake cylinder

Old 02-10-2019, 05:11 PM
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Join Date: Feb 2019
Location: Victoria
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Default 2008 Mazda Tribute master brake cylinder


2008 Mazda Tribute v6 FWD automatic

Infrequently, over a period of eight months, the brake pedal would travel to the floor.
This happened maybe three times.
I took the truck into Canadian Tire. The Canadian Tire mechanic said that fluid was blowing by the piston and the master brake cylinder needed to be replaced.
Soon after, the rear brake drum cylinders were replaced.
Fast forward three months.
My son was driving the Tribute when the brakes completely failed, with the brake pedal traveling to the floor
To avoid an accident, he drove off the road, onto the curb and hit a road marker.
He parked the truck and I picked it up the next day and delivered it to the same Canadian Tire that serviced the vehicle three months prior.
After looking at the truck, Canadian Tire reported that the brand-new master cylinder they installed in October 2018 had failed.
The master cylinder is under warranty but I am being charged the cost of installation ($250).

Obviously, this is a significant safety issue.

Are the master cylinders in 2008 Mazda Tribute's prone to failure?
Is failure related to poor aftermarket brands or are there other mechanical issues with the 2008 Mazda Tribute that may lead to brake failure?
I am waiting to find out what cylinder was used in October (I paid for a new master cylinder and not a rebuilt one), but is there an aftermarket brand I should avoid?


Last edited by ljenish; 02-10-2019 at 05:14 PM.
Old 02-10-2019, 10:22 PM
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Join Date: Dec 2016
Location: Auckland
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Master cylinder failure is pretty uncommon in any vehicle, it would be hugely unlucky to have two such failures so close together.

Personally I'd replace the master cylinder with a manufacturer part after having a dealer confirm that the ABS pump/valves are working correctly as it is possible that has been the cause all along, still pretty unusual but more likely than two master cylinder failures IMHO.
Old 02-11-2019, 11:19 AM
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Join Date: Feb 2019
Location: Victoria
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Thanks simonsi,

Yes, master cylinder failure is pretty uncommon. I am trying to trouble shoot this.I relied on the expertise of the auto centre but now have my doubts about their expertise.
This is a significant safety issue.
I have an OBDII code reader and I will hook it up once the work is done.
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