Auto transmission

Old 06-24-02, 09:32 PM
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Question Auto transmission

How do I check the level on a 1999 Pontiac Grand Am. It has no dip stick.
Old 06-24-02, 11:16 PM
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According to GM, there's no need to check the level unless your transmission is leaking. They've therefore decided that a dipstick & tube is not necessary. They save $.10 per unit & the customer suffers a $2K repair bill.

Here's the procedure courtesy of Generous Motors:

Transmission Fluid Checking Procedure

Start the engine and allow the engine to idle until the transmission fluid temperature has reached the value specified.
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.
Raise the vehicle on a hoist. The vehicle must be level, with the engine running and the shift lever in the PARK range. Refer to Lifting and Jacking the Vehicle in General Information.

The engine must be running when the transmission fluid fill plug is removed, or excessive fluid loss will occur. Transmission fluid may be hot. Since the actual fluid level is unknown, stand clear when removing the fill plug. Have a container ready to capture any lost fluid. Do not turn the engine off with the fill plug removed, as you can be injured by hot transmission fluid being expelled out of the oil fill opening.

Remove the transmission plug.

The transmission fluid may darken with normal use and does not always indicate contamination or oxidation.

Check the fluid color. If necessary, use a small screwdriver as a dipstick.
Is the fluid color clear red or light brown with no burnt odor?
At least 40C

(At least 104F)
Go to Step 4
Go to Step 2

Does the fluid have a burnt odor or a dark brown color?
Go to Step 8
Go to Step 3

Does the fluid have a cloudy or milky appearance?
Go to Step 7
Go to Step 8

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

Is the fluid level low?
Go to Step 5
Add DEXRON III automatic transmission fluid in increments of 0.5L until the fluid drains from the plug hole.

Did you add more than 1.5L to the transmission?
Go to Step 6

The transmission may have a leak.
Old 06-25-02, 08:06 AM
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In other words:

Drive it forever until you feel it slip and then change the fluid...or do it at the recommended interval.

If servicing the fluid doesn't help, pitch the vehicle for something with common sense and a dipstick. Lol

Not one of GM's "Mark of Excellence" ideas, that's for sure

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