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Does Volkswagen Consume Engine Oil?

2 Answers

DeEliana

08/30/25 3:37am

It's quite common for Volkswagen vehicles to consume engine oil, with varying degrees of severity across different models. However, there's no need for excessive concern as it's generally not related to the engine itself. The issue typically stems from worn valve seals or excessive piston clearance. After professional treatment, it won't have any impact on your beloved car. Reasons for engine oil consumption: 1. Valve Seals: Valves are designed to prevent oil from leaking into the combustion chamber. Over time, they inevitably experience wear and tear or aging. Severe cases can compromise the valve's sealing capability, making oil consumption more likely. Therefore, if the valve seals are problematic, they should be replaced promptly. 2. Excessive Piston Clearance: With prolonged use, carbon deposits from incomplete combustion can accumulate on the piston rings. If left uncleaned for an extended period, this can enlarge the gap between the piston rings and the cylinder wall, allowing oil to seep into the combustion chamber and resulting in oil consumption. In severe cases, it may even lead to engine "seizure." Thus, regular carbon deposit cleaning is crucial as an effective preventive measure against oil consumption.

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DeRemington

09/11/25 7:40am

Last time I saw a Tiguan getting serviced in the workshop, I noticed the exhaust pipe inner wall was pitch black with oil stains - classic signs of oil burning. That generation of Volkswagen's EA888 engine indeed had this issue, mainly due to defective piston ring design that couldn't properly scrape cylinder wall oil under high temperatures, allowing some oil to enter the combustion chamber. Especially after driving 70,000-80,000 km, when valve stem seals age and harden causing poor sealing, blue smoke during cold starts becomes particularly noticeable. Owners should frequently check the dipstick and it's best to keep a 5W-40 full synthetic oil in the trunk. If consumption exceeds 500ml per 1,000 km, consider an engine overhaul. The newer models have seen significant improvements, but owners of older versions need to be extra vigilant.

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