What's the 2002 GMC Sierra transmission fluid type?

For the 2002 GMC Sierra, the proposed transmission fluid is Dexron ATF +3 which, as stated by the manufacturer, has a total filling capacity of 13 quarts. The automatic transmission fluid and filter should be serviced and flushed every 60,000 miles to keep the transmission running properly. This is important because it will help You stop any slippage in gear or other complications that can arise that can cause significant harm to the transmission. d***y transmission fluid does not allow the transmission gears to lubricate correctly which will lead the gears to grind metal to metal and You will get metal bits and debris within the fluid from the grinding, which will produce further problems. The transmission cost will range from $7 to $10 a quarter, which will depend on the fluid's consistency and brand.