2021 Volkswagen Passat
Vehicle Specs & Maintenance Data
The 2021 Volkswagen Passat maintenance specs on this page cover the key fluids, torque values, and wear items you need for routine service. Use these numbers as a quick reference when performing oil changes, tire rotations, brake jobs, and other scheduled maintenance on your Volkswagen Passat.
For oil changes, the 2021 Volkswagen Passat takes 5W-40 Full Synthetic motor oil with a capacity of 5.8 quarts. Brake fluid type is DOT 4, the recommended coolant is G13 (Purple, phosphate-free), and transmission fluid is VW G 055 025 A2. Always use the manufacturer-recommended fluids to maintain warranty coverage and engine longevity.
When mounting wheels on the Volkswagen Passat, torque the lug nuts to 103 ft-lbs using a calibrated torque wrench. Over- or under-torquing can lead to warped brake rotors or loose wheels. Re-torque after 50 to 100 miles on newly installed wheels.
Owners of the 2021 Volkswagen Passat have reported 5 common issues including "Timing Chain Tensioner Failure", "Water Pump and Thermostat Housing Leak" and "Infotainment System Unresponsive". Scroll down to the Diagnostics tab for detailed descriptions, solutions, and estimated repair costs.
There is 1 NHTSA safety recall on file for the 2021 Volkswagen Passat. Check the Recalls tab below for full details.
Specifications on this page are compiled from multiple publicly available sources including manufacturer documentation, NHTSA data, and automotive databases. Always cross-reference with your owner's manual or official factory documentation before purchasing parts or performing any service.
The 2021 Volkswagen Passat uses 5W-40 Full Synthetic motor oil (5.8 qt capacity), requires lug nuts torqued to 103 ft-lbs, takes DOT 4 brake fluid.
Manufacturer-recommended maintenance schedule for the 2021 Volkswagen Passat. Always verify intervals against your owner's manual.
Enter a diagnostic trouble code to see causes, symptoms, and fixes for the 2021 Volkswagen Passat.
Common problems reported by 2021 Volkswagen Passat owners, with recommended fixes and estimated repair costs.
Timing Chain Tensioner Failure
The 1.8T and 2.0T EA888 engines in the US-market NMS Passat are prone to timing chain tensioner failure, particularly in earlier production years. A rattle on cold starts is the first symptom, and if unaddressed, the chain can skip teeth.
Replace the timing chain tensioner with the updated revision part, along with the chain and guides. The updated tensioner has a check valve that prevents oil drain-back. VW issued multiple TSBs addressing this issue.
Est. Cost: $1,500 - $3,500Water Pump and Thermostat Housing Leak
The EA888 engine water pump and plastic thermostat housing develop coolant leaks. The thermostat housing cracks at its sealing surfaces, and the water pump impeller shaft seal fails. Owners notice low coolant warnings.
Replace the water pump and thermostat housing with the updated metal housing revision. This is a well-documented VW service item with updated parts available. Preventive replacement at 60,000-80,000 miles is recommended.
Est. Cost: $500 - $1,200Infotainment System Unresponsive
The MIB II infotainment system becomes unresponsive, freezes during use, or takes excessively long to boot after starting the vehicle. Bluetooth pairing issues and CarPlay disconnections are frequent complaints.
Dealer performs software updates to the infotainment module. A hard reset of the system may resolve temporary issues. In persistent cases, the infotainment unit requires replacement.
Est. Cost: $0 (software update) - $1,500 (unit replacement)Carbon Buildup on Intake Valves
The direct-injection EA888 engine accumulates carbon deposits on the intake valves, causing rough idle, misfires, and power loss. Symptoms typically appear between 40,000 and 70,000 miles.
Walnut blasting of the intake valves to remove carbon deposits. Install an oil catch can to reduce future buildup. The updated PCV valve design helps mitigate the issue. This is a recurring maintenance item on EA888 engines.
Est. Cost: $400 - $800Rear Suspension Multilink Bushing Wear
The rear multilink suspension bushings wear out, causing clunking noises over bumps and a vague feeling from the rear end during cornering. The inner and outer control arm bushings are the most common failure points.
Replace the worn rear control arm bushings or complete control arms. A rear alignment is required after the repair. Aftermarket upgraded bushings may offer improved durability over OEM rubber units.
Est. Cost: $400 - $1,2001 NHTSA safety recall for the 2021 Volkswagen Passat. Check your VIN at NHTSA.gov
WHEELS:LUGS/NUTS/BOLTS/STUDS
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Atlas, Atlas Cross Sport, and Passat vehicles. The front wheel bearing bolts may have been incorrectly tightened.
The bolts may loosen and cause a loss of control, increasing the risk of a crash.
Dealers will inspect the tightness of the wheel bearing bolts and replace the bolts, as necessary, free of charge. Owner notification letters were mailed November 2, 2021. Owners may contact Volkswagen customer service at 1-800-893-5298. Volkswagen's number for this recall is 40R7.