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Old 04-16-2005, 08:42 PM   #1
Rallycarperson
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Question CEL After Handbrake Turn...??

My dad and I have went out driving tonight, and he pulled the handbrake at like 30mph in an open lot. After the turn, he noticed the CEL was on. BUT, he said he just noticed it now, so it could have been on for a long time.

Would the handbrake turn trigger a CEL? Oh, and please answer the question instead of flaming about the ebrake turn. Thanks.


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Old 04-16-2005, 08:47 PM   #2
TyrannosaurusWRX
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You are so convincing you could get away with murder.
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Old 04-16-2005, 09:15 PM   #3
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I highly doubt pulling the hand brake caused the cel.

take a trip to autozone and get the code pulled

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Old 04-16-2005, 10:43 PM   #4
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gotta have the code before we try and diagnose
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Old 04-17-2005, 10:29 AM   #5
keirnna
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I really doubt it, I have done lots of e-brake turns and nothing is damaged on my car.
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Old 04-17-2005, 09:19 PM   #6
TyrannosaurusWRX
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Post back after following #3 and #4.
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Old 04-18-2005, 09:15 AM   #7
FriedIceCream
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just a little off-topic but i thought handbraking was bad for the tranny? even if the clutch is not in. if not please fill me in on how it is not harmful to the car at all.
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Old 04-18-2005, 10:48 AM   #8
Matt Monson
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A handbrake turn can fry the center diff on these cars. Our viscous center diffs are not very strong, and even one handbrake event can super heat the fluid and destroy your diff...
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Old 04-18-2005, 11:58 AM   #9
keirnna
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That's rediculous! I've done handbrake turns over and over again in both my 4EAT RS and my 04 STI. The STi only with the clutch in. I have checked both drain pugs after drifting/ handbrake turns. There was nothing whatsoever on them. It doesn't fry anything. You have to think that old lady's drive with their e-brake on for 30 miles before they realize what's going on. There wouldn't be an ebrake in the car if it did THAT much damage. I know it is not good for the car, and it puts extra wear and tear on it, but I don't think it is very dangerous either. The problem is your rear wheels stop spinning for an instant, but your front wheels still spin your diff's take all of the force.
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Old 04-18-2005, 01:10 PM   #10
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I've done handbrake turns over and over again in both my 4EAT RS and my 04 STI.

I've heard that because of the DCCD in the STI's, you can do handbrake turns, because the center diff senses the handbrake being engaged and cuts the power to the rear wheels. Again, that's what I've heard... Actually, if I didn't read it here at nasioc, it was over on the Cobb forums, I apologize for not finding the link, I'm in a hurry.

Also, I must speculate whether there's a difference between doing handbrake turns in 4EAT cars vs. the 5MT, due to the way the center diffs operate in those cars. I realize that the power is always fluctuating front to rear and rear to front, but don't forget, for straight and level driving, the 4EAT puts more power to the front wheels (I believe 80 front/20 rear) and thus doing a handbrake turn would potentially put less strain on the rear half of the drivetrain, compared to a 5MT where you're 50/50...
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Old 04-18-2005, 01:13 PM   #11
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You'll never see anything in the oil if your center differential have some problem; it is in a sealed case full of goo. Were I live, winter is 5 month long, and in our club, I don't have enough finger to count the people that damaged the center diff doing stupid things, like handbrake turning. You have an AWD, learn how yo drive, and take advantage of it. With a bit of braking, you will slide around corner and do u-turn as sharp as with the e-brake pulled, without stop moving.
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Old 04-18-2005, 02:08 PM   #12
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So conceivably something very bad happened in the driveline that triggered a CEL.
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Old 04-18-2005, 02:39 PM   #13
Tim Sanderson
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First of all, rallycarperson, Is it auto or manual.

There are three sensors related to the driveline on a manual.
1.reverse(turns on reverse lights)
2.speedo
3. neutral switch

I don't think any of those are going to throw a code unless there is something wrong with it.

SO! GO HAVE YOUR CODE PULLED!
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Old 04-18-2005, 04:29 PM   #14
DreddRS25
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Someone posted in the TXIC forum about taking a turn so fast with a low fuel tank that the ecu thought he ran out of gas. CEL came on but the car still ran fine and eventually the CEL went out.

This was on a STi though.

http://forums.nasioc.com/forums/showthread.php?t=751584

Look at post #18

Quote:
Originally Posted by Tim Sanderson
SO! GO HAVE YOUR CODE PULLED!
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