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Manual Transmission Fluid
When to Check
A good time to check the manual transmission fluid is
when the engine oil is changed. However, the fluid in the
manual transmission does not require changing.
How to Check
Because this operation can be a little difficult, you may
choose to have this done at your GM dealer/retailer
service department.
If doing it yourself, be sure to follow all the instructions
here, or there could be a false reading.
Notice: Too much or too little fluid can damage
your transmission. Too little fluid could cause
the transmission to overheat. Be sure to get an
accurate reading if you check your transmission
fluid.
Check the fluid level only when the engine is off, the
vehicle is parked on a level place and the transmission
is cool enough to touch the transmission case.
After this is done:
1. Remove the filler plug.
2. Check that the lubricant level is up to the bottom of
the filler plug hole.
3. If the fluid level is good, install the plug and be sure
it is fully seated. If the fluid level is low, add more
fluid as described in the next steps.
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