What is right way to check transmission fluid on GMC Jimmy 1998

1998 GMC JIMMY
198,000 MILES • 6 CYL • AUTOMATIC
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ROYCAR71
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  • 359 POSTS
I have recently changed my transmission fluid. I have heard conflicting answers on how to check transmission fluid. Some say have to have engine running, others say engined needs to be turn off and hot to get proper reading on dip stick. Which way is needed for a 1998 gmc jimmy. Thanks in advance.
Sep 1, 2011 at 2:46 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Start it up take it for a 10min ride -comeback leave the engine running -then check fluid level-if low fill it while engine is running till its level to full mark
Sep 1, 2011 at 2:49 PM
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ROYCAR71
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  • 359 POSTS
Advice taken, So far car picks up good no check engine light. Thanks.
Sep 10, 2011 at 12:09 AM
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