Where is the transmission fluid inspection port on the Passat?

1 Answers
ChaseAnn
07/29/25 6:01pm
The transmission fluid inspection port on the Passat is located on the right side at the rear of the transmission. Signs that indicate the need for transmission fluid replacement include: vehicle shaking, gear shifting hesitation; transmission overheating warning on the dashboard; engine stalling; and unusual noises. The methods for replacing transmission fluid are as follows: Unscrew the drain plug at the bottom of the transmission to drain the old fluid before refilling. Remove the transmission oil pan directly for draining and refilling: This method is more thorough than the previous one, as it allows for the removal of debris at the bottom of the oil pan. Use a circulation machine to replace automatic transmission fluid: Dynamic fluid replacement with an intelligent circulation machine can filter and clean sludge and impurities inside the automatic transmission. Hazards of not replacing transmission fluid for a long time: 1. Damage to the transmission's gear shift control mechanism; 2. Abnormal wear of gears and clutch plates inside the transmission; 3. Impaired normal operation of the transmission, leading to damage to the transmission valve body.
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