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Old 11.02.2020, 13:39
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MFK Handbrake Test

I just don‘t get it ... the guy testing supposedly pulled up on the handbrake evenly. But my gut instinct and mechanical knowledge says he has a bad day and took it out on our car‘s inspection. The complaint was not that the handbrake was out of the envelope, but the zig-zag in the braking force to stop the wheels on the test stand.
This joke cost us a good hour labor to remove and clean the mini-drum brakes used as handbrake/emergency brake. Which runs around 165 Franks an hour.

Is there anybody here that can tell me if this is a manipulated test result or if this could possibly be a true test result from a 2007 Carolla in which the hand brake is only used for parking (static).
Thanx!
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Old 11.02.2020, 13:44
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Re: MFK Handbrake Test

Yes that result can be true.

In Zürich they just drive the car on a small hill, pull the brake and if the car does not roll back all is fine
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Old 11.02.2020, 14:01
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Re: MFK Handbrake Test

Thanks for your quick reply Edwin!
But that is a binary test ... it works or it doesn’t.
Our case is on a test stand, braking from a roll. The mini-drum brakes don’t jerk around like the graphic shows ... at least they shouldn’t.

I will drive the car this evening and try the handbrake from a roll, though now it should be smooth 😉
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Old 11.02.2020, 14:13
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Re: MFK Handbrake Test

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The mini-drum brakes don’t jerk around like the graphic shows ... at least they shouldn’t.
They should not, but sometimes they do.
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Old 11.02.2020, 14:22
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Re: MFK Handbrake Test

The cable pivots etc can corrode over time, especially if the parking brake isn't used often. It's a good idea to occasionally apply the parking brake while the car is still moving and to occasionally apply it with a decent amount of force (while stationary) These days parking brakes often have self-adjusters.

I can only imagine something was stuck and then gave way halfway through the test, or indeed the tester didn't apply even force. I guess he did it only once? I know (in general) the fulcrums can sometimes corrode so that for part of the travel there's no force multiplication.
What did the brake clean-up reveal? Nothing?
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Old 26.02.2020, 12:30
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Re: MFK Handbrake Test

Thanks for all the feedback.
After consulting a second inspector, the decision was made, that the first inspector was incorrect in their decision to fail the car based on the handbrake.
With this knowledge, if this happens again ... complaints will be made up to TCS.
The inspector should be objective in their findings. Will see how the next MFC inspection works out.
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Old 26.02.2020, 13:27
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Re: MFK Handbrake Test

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Thanks for all the feedback.
After consulting a second inspector, the decision was made, that the first inspector was incorrect in their decision to fail the car based on the handbrake.
With this knowledge, if this happens again ... complaints will be made up to TCS.
The inspector should be objective in their findings. Will see how the next MFC inspection works out.
Any chance of getting the labor reimbursed?
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Old 07.03.2020, 15:18
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Re: MFK Handbrake Test

Actually, we are not worried about the cost ... it is more the fact the inspector dinged the Toyota on a bogus call. We have it good with the garage and don’t mind giving up the cash for their efforts ... they take very good care of us.
 




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