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Old 08-03-2002, 05:07 PM   #1
WRX-ZJ
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Join Date: Aug 2002
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2002 WRX
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Talking Got my '02 WRX today... Got a question about what the dealer said...

Hey guys. Ok, I picked it up today and I love it so far! One thing the dealer said was that "no matter how far or short you drive you have to let the car idle for 30-60sec. for the turbo to cool". They also said there was a product I could get so I wouldent have to do it. Now, I went into the manual and it has no mention of this. Also I called the parts dep. and asked and knowone knows what I am talking about. Anyone know?!?
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Old 08-03-2002, 05:20 PM   #2
BillMiya
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Go by the manual. You don't have to sit and idle with regualr street driving.
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Old 08-03-2002, 05:31 PM   #3
02R6
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Default cooling down

Having never owned a turbocharged car before I got my WRX two weeks ago I might not be the most qualified person to answer this but here goes...

Everything I have indicates you should let to car idle for a little bit after you get done driving it, especially if you have just driven it hard.

I purcahsed a (Greddy) turbo timer (it's what your dealer mentioned that does the cooling down for you) not even a week after I got my car. Basically, you turn the car off and take the key out, but the car stays running. You can't leave it in gear anymore when you park and you have to lock the car with the interior switch. But, if it saves the turbo in the long run it was worth it. It's not too expensive ($120 brand new including wiring harness) and it is easy to install.

Hioe this helps.
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Old 08-03-2002, 06:16 PM   #4
Curtis
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Default Turbo-Timer is a waste of $$$

This topic has been covered a number of times. You can find lots of info on it.

Short answer: If boosting hard, either drive moderatley (off boost) as you near your destination, or:

Let the car idle for a minute before shutting it off.

If you've been driving normally (whatever that means? ), there is no need to do anything differently than you would in any other car.

As for the turbo-timer, unless you like gadgets & gizmos, it is totally unnecessary. Put the $120 into new front brake pads. I like Hawk HP Plus.

Peace,

Curtis
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Old 08-03-2002, 07:30 PM   #5
gtguy
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What your dealer should have in fact told you, is "Subaru has designed the turbo setup on the WRX so that it doesn't require the 30-60 seconds of idling. It cools itself down, a nifty little system, really. Thanks for buying a WRX."

Kevin
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Old 08-03-2002, 08:29 PM   #6
saggioWRX
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Default Turbo Timer!!!

YES!!! Get a Turbo Timer. I was also told by Subaru USA that you don't "need" one but,....you do! Your turbo spins at speeds you can't even imagine and if you shut the car off right after driving it for about 5 years,...after a while your turbo is going to start having problems with the oil qouking up! Subaru Japan says YES get a Turbo Timer. So, it's up to you. Do you want to save your Turbo, or do you want to replace it AFTER the warranrt runs out? Your not going to be able to sit in your ride EVERY time you shut it down right! I installed the Blitz DTT and it's sweet! Has a built in boost gauge, Peak hold, Peak warning, and much more. Go to German-autowerks.com and they have it with a wiring harness at a sweet price! Good luck WRX-ZJ!
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Old 08-03-2002, 09:51 PM   #7
Chuck H
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Subaru in Japan may say yes to a turbo timer, but Subaru in America has refused to look at cars for warranty work if a turbo timer is installed. It's considered a modification and can be used as an excuse to void the warranty if anything every goes wrong with the engine or turbo. There's really no need for one if you just use common sense. If you've been flogging the car, then let it cool off a bit. If you've just been out for an easy drive, then just shut it off and it will be fine.
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Old 08-03-2002, 10:49 PM   #8
pagel
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Default turbo timer?

Turbo bearings are lubed with engine oil. When you shut off the engine the bearings are still extremely hot. There's no oil circulation so the oil in the turbo "cokes" (not "cooks), or turns into black coke around the bearings and in the oil ports. Like the Mobil 1 commercial where they fry oils in a fry pan and conventional oil blackens, and synthetic oil doesn't.

I had a 1976 Honda 500 turbo-bike once with a 1.25" dia. turbo and it spun at 135,000 RPM. Honest, no bull shxx.

If you use any brand of synthetic you don't have to worry about the cool down, unless maybe at a "trackday" where you've been pounding for 15 minutes on a race track. Then it's wise to let it run a couple minutes to circulate both oil and coolant to cool everything down from "crackling hot".
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Old 08-03-2002, 11:02 PM   #9
WRX-ZJ
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Thanks guys!!! Ill have pics of my WRX very soon. I took the pics I just have to DL them. So, If I put synthetic oil in I wont have to worry about it? I will ask the dealer about the turbo timer also and see where the warrantee fits in.

In case you were wondering where the ZJ in WRX-ZJ came in... here are a few pics of my other car. It is my '93 Jeep Grand Cherokee ZJ!
http://community.webshots.com/user/1beatenzj

THe most resent pics are http://community.webshots.com/album/37271711yKptBp

I am selling the Jeep so I can get the WRX. My parents let me the down payment untill she sells.


Thanks again!
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Old 08-03-2002, 11:28 PM   #10
VSG
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Default nah

you dont need a turbo timer, just use common sense. if you have been driving on the highway at high speeds dont pull over and turn the car off right away. You just need to drive a mile or two normally (low rpms) and the turbo will cool down..thats all.
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Old 08-03-2002, 11:33 PM   #11
jamz
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Agreed that you don't need a turbo timer, unless you don't have the self control not to be flooring it right up to your driveway. Just take it easy the last few blocks. I don't know why that's so hard for people.

Amyway, if you do blow your turbo up, it's a perfet excuse to upgrade to a VF30!
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Old 08-04-2002, 04:43 AM   #12
Ugly
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Quote:
Amyway, if you do blow your turbo up, it's a perfet excuse to upgrade to a VF30
Exactly!

You don't need a turbo timer. Only time you need to idle is after running the engine hard.
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Old 08-04-2002, 06:29 AM   #13
midwest
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The stock rex turbo uses a bushing rather than a ball bearing for the turbo to spin on. After hard pulls eg drag racing, the turbo reaches insane rpm's. Shutting the engine off right after such said event causes the oil that lubricates that bushing to turn into "coke"...a combination of carbon and other chemicals, I believe. A buildup of coke on that bushing can lead to failure eventualy. Letting the bushing cool down helps to prevent that process..not that anyone here is racing or anything-

midwest
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Old 08-04-2002, 02:16 PM   #14
WRX-ZJ
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