What are the most common Hyundai XG350 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2001 Hyundai XG350 has 1 documented issue. The documented issue is: Timing Belt Tensioner Failure (3.5L Sigma V6). Of these, 1 is rated critical and should be addressed promptly.

Is the Hyundai XG350 reliable?

The 2001 Hyundai XG350 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Timing Belt Tensioner Failure (3.5L Sigma V6). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Hyundai XG350 problems?

Repair costs for known Hyundai XG350 issues range from $500 to $1,200, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Timing Belt Tensioner Failure (3.5L Sigma V6), typically costs $500-$1,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2001-2005 Hyundai XG350 Timing Belt Tensioner Failure (3.5L Sigma V6)?

The 3.5L Sigma V6 engine in the XG350 uses a timing belt with a hydraulic tensioner that can fail, allowing the belt to lose tension. The tensioner bearing can seize or the hydraulic damper can leak, both leading to belt slack and potential timing jump. The Sigma V6 is an interfe… Repairs typically run $500-$1,200. Severity: high.

Hyundai · Known Issues

2001 Hyundai XG350 Problems: 1 Issue Every Owner Should Know

2001 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated June 2026

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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2001 Hyundai XG350 has 1 documented issue, with 1 rated critical. The most serious is Timing Belt Tensioner Failure (3.5L Sigma V6) ($500-$1,200 repair). Across all issues with published estimates, repair costs range from $500 to $1,200. DIY maintenance guides at au7o.io.

2001 Hyundai XG350 Problems: 1 Issue Every Owner Should Know

All 1 Known Issue

2001-2005 Hyundai XG350: Timing Belt Tensioner Failure (3.5L Sigma V6)#

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Frequently Asked Questions

What are the most common Hyundai XG350 problems?

Is the Hyundai XG350 reliable?

How much does it cost to fix common Hyundai XG350 problems?

What is the 2001-2005 Hyundai XG350 Timing Belt Tensioner Failure (3.5L Sigma V6)?