Rick's Free Auto Repair Advice

Posts Tagged: no dipstick

Check transmission fluid on GM vehicles

How to check transmission fluid on GM vehicles Many newer GM vehicles no longer have transmission dipsticks. Here’s the factory procedure for checking fluid level and condition. For the 4L30 and 4L60-E (rear wheel drive) transmissions: Fluid must be at least 113° before checking. Start engine and leave in PARK. Raise vehicle on hoist. Remove fill plug from side of transmission pan. Fluid should be at the lower level of the fill plug. 4T40-E and 4T45-E transmissions (front wheel drive) Fluid must be at least 104° before checking. If not, … Read More


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