What are the most common Lincoln LS problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2005 Lincoln LS has 1 documented issue. The documented issue is: Lincoln LS 3.9L V8 Coolant Crossover Manifold Leak. Of these, 1 is rated critical and should be addressed promptly.

Is the Lincoln LS reliable?

The 2005 Lincoln LS has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Lincoln LS 3.9L V8 Coolant Crossover Manifold Leak. 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 Lincoln LS problems?

Repair costs for known Lincoln LS issues range from $300 to $900, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Lincoln LS 3.9L V8 Coolant Crossover Manifold Leak, typically costs $300-$900 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2000-2006 Lincoln LS Lincoln LS 3.9L V8 Coolant Crossover Manifold Leak?

The 3.9L AJ V8 (Jaguar-derived) in 2000-2006 Lincoln LS suffers coolant crossover-tube failure where the plastic manifold connects the heads at the rear of the engine. Leaks present as coolant dripping at the back of the engine, smell of coolant after shutdown, eventually overhea… Repairs typically run $300-$900. Severity: high.

Lincoln · Known Issues

2005 Lincoln LS Problems: 1 Known Issue

2005 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

Share:@au7o.io

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2005 Lincoln LS has 1 documented issue, with 1 rated critical. The most serious is Lincoln LS 3.9L V8 Coolant Crossover Manifold Leak ($300-$900 repair). Across all issues with published estimates, repair costs range from $300 to $900. DIY maintenance guides at au7o.io.

2005 Lincoln LS Problems: 1 Known Issue

All 1 Known Issue

2000-2006 Lincoln LS: Lincoln LS 3.9L V8 Coolant Crossover Manifold Leak#

Common Symptoms

How to Fix

What you need to fix it

Research This Issue

Other Lincoln Models

Frequently Asked Questions

What are the most common Lincoln LS problems?

Is the Lincoln LS reliable?

How much does it cost to fix common Lincoln LS problems?

What is the 2000-2006 Lincoln LS Lincoln LS 3.9L V8 Coolant Crossover Manifold Leak?