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Old 09-02-2010, 03:35 PM
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Originally Posted by GpB311 View Post
Ive never seen a way to check the atf fluid on my 05 LS
Me either, first time i did a oil change on my car i searched for a hour then I finally called my dealership and the tech told me theres no way to do it.
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Old 09-02-2010, 05:47 PM
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There is a thread on checking the ATF in the Cobalt:

No Dipstick...need to have skills as a on lift, engine running, at operating temperature...remove check plug on front of tranny...fill fluid until it comes out of the check plug hole and then replace plug. DO NOT stop engine until the check plug is in place or you will dump hot fluid. Fill through the vent on top of the tranny (plastic plug).

Originally Posted by Maven
(paraphrased straight from the GM manual)

Start the engine and allow the engine to idle until the transmission fluid temperature has reached at least 105degF. Depress the brake pedal and move the shift lever through the gear ranges, pausing a few seconds in each range. Return the shift lever to the PARK range.

Remove the fluid vent cap. (red cap on drivers side top of trans)
Raise the vehicle on a hoist(or support on jackstands)
. The vehicle must be level, with the engine running and the shift lever in the PARK range.

Remove the transmission oil level control plug(its a small usually 10mm hex bolt on the right/passenger side of trans, below and in front of the right hand axle.)

Check the fluid level. The fluid level should be even with the bottom of the threaded plug hole.

Add DEXRONŽIII automatic transmission fluid in increments of 0.5 L (0.5 qt) until the fluid drains from the plug hole.
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Last edited by Red07SSNA; 09-02-2010 at 05:50 PM.
Old 09-03-2010, 04:25 PM
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Can anyone put up a picture up of the dipstick? I was going to take it to the dealer but it is a long drive and i dont have the time.
Old 09-03-2010, 04:47 PM
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There isn't one.

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Old 09-04-2010, 11:39 PM
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so how do u check the tranny fluid or do a fitler and gasket
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Old 09-05-2010, 09:30 AM
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2005 use Dextron III ATF, and 2006 and up use Dextron VI ATF.

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Old 09-05-2010, 04:10 PM
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Originally Posted by Tc07Cobalt View Post
so how do u check the tranny fluid or do a fitler and gasket
Did you read post # 12 above?
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Old 09-22-2010, 10:31 PM
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How often should we change the fluid? I have 55,000 miles
Old 09-23-2010, 09:55 AM
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Every 50,000 miles I believe.
Old 09-23-2010, 10:42 AM
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if you make a mess it's over filled or the car's not level. only a little should come out.
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