brakes squeaking...why?
Thread Starter
Three Wheelin'
Joined: Jun 2009
Posts: 1,724
Likes: 12
brakes squeaking...why?
Took the TT out for a ride today to keep the battery charged (it's been a month since driven...was snowy here). I noticed the brakes squeaking a bit as I came to a stop. I also noticed this the last day that I drove it as well. Any thoughts?
Banned
Joined: May 2008
Posts: 7,299
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From: Arlington Heights, IL
Parnelli, you should get a Porsche battery maintainer from Sunset for about $55. This is a better way to keep the battery fully charged. There are less expensive off-brands too.
The noise may be a combination of dirty (surface rust) rotors and cold brakes.
The noise may be a combination of dirty (surface rust) rotors and cold brakes.
Thread Starter
Three Wheelin'
Joined: Jun 2009
Posts: 1,724
Likes: 12
I actually have a battery maintainer. It is a Porsche Genuine Parts 'charge-O-mat '. I bought it a few years ago and used it on my old Porsche 996 (plug into cig lighter) . I guess I've just been afraid to use it on the 993 TT for the fear of frying the electrical system. Crazy, I know. I guess I've heard too many horror stories.
As far as the brake noise I still heard it after driving the car for 45 minutes. Shouldn't the brakes been warm enough by then? Thx for your input. All is appreciated.
Race Car
Joined: Apr 2004
Posts: 3,942
Likes: 27
From: Dallas TX
Parnelli,
My rear brakes squeal too. Been doing it for 2 years. A powerful hose blast will help for a while. My shop recommends driving at 70 mph and stomping the brakes fully to a stop (obviously, carefully). That works for a while too.
I find my brakes get noisy when I do some aggressive, high speed driving. Like today.
I have mostly learned to live with it. I will be watching other's responses with interest.
My rear brakes squeal too. Been doing it for 2 years. A powerful hose blast will help for a while. My shop recommends driving at 70 mph and stomping the brakes fully to a stop (obviously, carefully). That works for a while too.
I find my brakes get noisy when I do some aggressive, high speed driving. Like today.
I have mostly learned to live with it. I will be watching other's responses with interest.
Banned
Joined: May 2008
Posts: 7,299
Likes: 19
From: Arlington Heights, IL
^I am using the Porsche battery maintainer on my turbo with NO issues. Works great.
It was very cold today. About 0 in the Chicago area. So, I assume you had cold weather too. I don't think a 45 minute drive would be enough to get the brakes warmed up much unless you were doing a lot of stop and go driving.
I haven't driven the turbo in about a month either. Did about 130 miles Saturday and 190 today. All highway. These cars love that cold air! Roads were clear today, and the sun was shinning bright.
It was very cold today. About 0 in the Chicago area. So, I assume you had cold weather too. I don't think a 45 minute drive would be enough to get the brakes warmed up much unless you were doing a lot of stop and go driving.
I haven't driven the turbo in about a month either. Did about 130 miles Saturday and 190 today. All highway. These cars love that cold air! Roads were clear today, and the sun was shinning bright.
Thread Starter
Three Wheelin'
Joined: Jun 2009
Posts: 1,724
Likes: 12
Parnelli,
My rear brakes squeal too. Been doing it for 2 years. A powerful hose blast will help for a while. My shop recommends driving at 70 mph and stomping the brakes fully to a stop (obviously, carefully). That works for a while too.
I find my brakes get noisy when I do some aggressive, high speed driving. Like today.
I have mostly learned to live with it. I will be watching other's responses with interest.
My rear brakes squeal too. Been doing it for 2 years. A powerful hose blast will help for a while. My shop recommends driving at 70 mph and stomping the brakes fully to a stop (obviously, carefully). That works for a while too.
I find my brakes get noisy when I do some aggressive, high speed driving. Like today.
I have mostly learned to live with it. I will be watching other's responses with interest.
PJC- It' funny you'd say that....the last time I drove it I stomped on it pretty hard for awhile. My brother-in-law was in town for Thanksgiving and we went for a very "spirited" drive
NoHT-
Yeah, the roads were great....dry and sunny here in Milwaukee as well. Driving along Lake Michigan reminded me of a warm summer day...except it was 80 degrees colder! I'll start using my Porsche battery tender tonight
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Drifting
Joined: Apr 2006
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From: QC, CA / Abaco BS
I am in Canada with short season too and use the P trickle charger plugged into the lighter for the last 10 years.
Please excuse me for stating the obvious but as a friendly reminder (and knowing the TT's love the cold dense air) keep in mind the rubber grip on the road is probably not so great these winter months .....unless you have changed your tires that is.
Take care.
Derek
Please excuse me for stating the obvious but as a friendly reminder (and knowing the TT's love the cold dense air) keep in mind the rubber grip on the road is probably not so great these winter months .....unless you have changed your tires that is.
Take care.
Derek
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Rennlist Member
Joined: Jun 2009
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From: San Buenaventura
If the temperatures from when you parked the car and now are very different the pads have probably collected some moisture. Go and have some fun on a long twisty road and it should quiet down. IMO
Rennlist Member
Joined: Sep 2008
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From: Flyoverland - Central, Ohio
Assuming they are not worn down and in need of replacement, probably rust / dirt that needs to be scrubbed off (in the Spring). The Turbo's have break wear sensors that should indicate if the pads are nearing their end of life (or not). I had new OEM front pads squeak (last Summer) when the rotors got some surface rust / dirt on them. After some spirited driving/stopping, it went / goes away.
Banned
Joined: May 2008
Posts: 7,299
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From: Arlington Heights, IL
Another tip that may help. After washing my Porsches, I always blow dry the cars with the leaf blower. I make sure the driveway is cleaned first. This blows out the water that gets trapped in the calipers and the cross drilled rotors.
