2020 RAM 1500 Classic Problems: 5 Known Issues
2020 model year · 240+ owner reports · Updated September 2026
According to Au7o's analysis of 240+ owner reports, the 2020 RAM 1500 Classic has 5 documented known issues, with 2 rated critical. The most serious are 5.7L HEMI MDS Lifter Failure ($2,000-$5,000 repair) and MDS Lifter Failure and Hemi Tick (5.7L) ($2,000-$4,500 repair). The most commonly reported issue is 5.7L Hemi Exhaust Manifold Bolt Breakage with 240 owner reports. Across all issues with published estimates, repair costs range from $200 to $5,000. DIY maintenance guides at au7o.io.
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Frequently Asked Questions
What are the most common RAM 1500 Classic problems?
According to Au7o's analysis of 240+ owner reports, the 2020 RAM 1500 Classic has 5 documented issues. The most frequently reported are: 5.7L HEMI MDS Lifter Failure, MDS Lifter Failure and Hemi Tick (5.7L), 5.7L Hemi Exhaust Manifold Bolt Breakage. Of these, 2 are rated critical and should be addressed promptly.
Is the RAM 1500 Classic reliable?
The 2020 RAM 1500 Classic has 5 known issues documented across 240+ owner reports. 2 issues are rated critical: 5.7L HEMI MDS Lifter Failure and MDS Lifter Failure and Hemi Tick (5.7L). 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 RAM 1500 Classic problems?
Repair costs for known RAM 1500 Classic issues range from $200 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 5.7L HEMI MDS Lifter Failure, typically costs $2,000-$5,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2019-2024 RAM 1500 Classic 5.7L HEMI MDS Lifter Failure?
The 5.7L HEMI with Multi-Displacement System (MDS) in the 1500 Classic develops lifter failure, particularly on cylinders that deactivate. The roller lifters can collapse or seize, causing ticking noise and misfires. This is the same issue as the standard 1500. Repairs typically run $2,000-$5,000. Severity: high.
What is the 2019-2025 RAM 1500 Classic MDS Lifter Failure and Hemi Tick (5.7L)?
The 5.7L Hemi V8 uses Multi-Displacement System (MDS) hydraulic lifters to deactivate four cylinders during light-load cruising. The MDS lifters are known to fail, causing a persistent ticking noise (the infamous "Hemi tick") and misfires on the deactivated cylinders. When an MDS… Repairs typically run $2,000-$4,500. Severity: high.
What is the 2019-2024 RAM 1500 Classic 5.7L Hemi Exhaust Manifold Bolt Breakage?
The 5.7L Hemi in the RAM 1500 Classic breaks exhaust manifold bolts due to repeated heat cycling. The driver side (left) manifold is most commonly affected. Broken bolts cause an exhaust leak that sounds like a ticking noise on cold start and a persistent exhaust smell. Repairs typically run $200-$800. Severity: medium.
What is the 2019-2024 RAM 1500 Classic 5.7L HEMI Exhaust Manifold Bolt Breakage?
The exhaust manifold bolts on the 5.7L HEMI break due to thermal cycling, causing an exhaust leak with a ticking sound that is louder on cold starts and quiets as the engine warms up. Repairs typically run $500-$1,500. Severity: medium.
What is the 2019-2025 RAM 1500 Classic Exhaust Manifold Bolt Breakage (5.7L Hemi)?
The 5.7L Hemi V8 in the 1500 Classic is prone to exhaust manifold bolt breakage, particularly on the rear bolts of the driver-side (left) manifold. The bolts are subjected to extreme heat cycling and eventually fatigue and snap. When bolts break, the manifold develops an exhaust… Repairs typically run $400-$1,200. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.