Is it worth fixing a camshaft?

Often yes—if the damage is limited and the vehicle’s value justifies the cost—but not always. Camshaft problems range from inexpensive timing or lifter issues to catastrophic wear that contaminates the engine. The decision hinges on accurate diagnosis, extent of collateral damage, labor costs, and the car’s overall condition and market value.

What the camshaft does—and why failure is serious

The camshaft opens and closes the engine’s valves in precise timing with the crankshaft. Wear or damage to the cam, its bearings, lifters, or variable valve timing (VVT) components can reduce power, create misfires, and shed metal into the oil, threatening the entire engine. In overhead-cam engines, the cam runs in the cylinder head; in pushrod (cam-in-block) engines, it rides in the engine block and actuates lifters and pushrods.

Typical failure modes and symptoms

Camshaft-related failures show up in predictable ways. The following list outlines common issues and the signs you might notice.

• Lobe wear/“wiped” cam: ticking, misfire, low power; metal glitter in oil; on V8s (e.g., GM AFM/DOD, Hemi 5.7), failed lifters often take out a lobe.
• Cam journal scoring: low oil pressure, severe top-end noise; in OHC engines, this may scrap the cylinder head.
• VVT phaser failure: rattle at startup, rough idle, cam timing codes (P0011–P0014, P0021–P0024); often fixable without replacing the cam itself.
• Timing chain/belt stretch or failure: rattling, poor timing, no-start if the belt snaps on interference engines; the cam may be fine, but valves may be bent.
• Sensor/actuator issues: bad cam sensor or oil control valve can mimic cam problems without mechanical damage.

If symptoms align with non-mechanical causes (sensors, phasers, chain guides), repair costs and risks are far lower than replacing a camshaft.

How to confirm the problem

Before committing to a major repair, a careful diagnostic process can separate a fixable cam-related fault from a total engine risk.

• Oil inspection: check for metallic particles, filter cutting for debris; a magnet won’t catch non-ferrous aluminum/bronze.
• Scan data: cam/crank correlation, VVT advance angles, misfire counters, oil pressure data.
• Mechanical checks: cylinder leak-down, valve lash/rocker motion, borescope of lobes (where accessible).
• Top cover removal: visual of lobes, followers, chain/belt condition; check lifter rotation on pushrod engines.
• Oil pressure test: verifies supply to cam journals and VVT.

A shop that provides clear inspection findings and photos of damage reduces the risk of an expensive misdiagnosis.

Repair paths: from least to most invasive

Depending on what failed, solutions range from external component service to full engine replacement. Here’s how options generally stack up.

• Service VVT and timing components: replace phasers, solenoids, chain/belt, guides, and tensioners when the cam is healthy.
• Replace lifters/followers and associated hardware: required if a lifter failed; many engines need matched cam-and-lifter sets.
• Camshaft replacement: common when lobes are worn; typically paired with new lifters/followers, rockers, seals, and an oil system clean-out.
• Cam regrind/weld repair: viable for certain classic or performance engines; requires matching lifters and correct metallurgy; less common on modern daily drivers.
• Cylinder head repair or replacement (OHC): if journals are scored, some heads can be line-bored and sleeved, but many are replaced outright.
• Engine rebuild or replacement: recommended if metal contamination is widespread or bearings are compromised.

The right path depends on whether damage is localized (component-level) or systemic (oil starvation and bearing damage).

What it costs in 2024–2025

Prices vary by engine layout, access, and parts availability. These ballpark figures reflect typical shop rates and parts costs today.

• VVT phaser/solenoid and timing service: $600–$2,200 (4–12 labor hours; higher on DOHC or transversely mounted engines).
• Camshaft replacement (pushrod V8/V6): $1,500–$3,500 (cam $150–$600; lifters $200–$600; 8–16 hours labor).
• Camshaft replacement (OHC/DOHC): $1,800–$4,500 per bank (cams $200–$800 each; more for Euro; 10–20+ hours labor).
• Cylinder head replacement (OHC with journal damage): $1,800–$4,000 per head, depending on new vs reman and valve work.
• Engine replacement (used “take-out”): $3,000–$8,000 installed; warranty typically 3–12 months.
• Remanufactured engine: $5,000–$12,000 installed; longer warranties (often 3 years) and updated parts.

Luxury, turbocharged, and European models can exceed these ranges. Regional labor rates also drive totals up or down.

When it is worth fixing

These scenarios usually justify repair rather than replacement or disposal.

• Damage is isolated: worn cam lobe with clean oil system and no bearing damage.
• Vehicle value and condition are strong: the car is otherwise reliable, with good body, transmission, and maintenance history.
• Parts availability is good: reasonably priced cam/lifter kits and timing sets exist for your engine.
• Sentimental or collector value: regrind/rebuild makes sense for classic or performance engines.

In these cases, replacing the cam and related components can restore normal operation at a cost aligned with the vehicle’s value.

When it isn’t worth it

Sometimes “fixing the camshaft” is throwing good money after bad. Watch for these red flags.

• Metal contamination: glitter in the pan/filter and low oil pressure suggest bearing damage beyond the cam.
• Journal scoring in an OHC head: machine repair may be impractical; a new head plus labor can approach engine replacement costs.
• High mileage with multiple issues: transmission, emissions, or electrical problems looming.
• Poor parts support or known design flaws: some engines have chronic lifter/cam failures; upgraded reman engines can be a better bet.
• Repair cost exceeds 50–70% of the car’s private-party value: a common threshold for walking away or installing a used engine instead.

If multiple red flags apply, consider a used or reman engine—or retiring the vehicle.

Risks of continuing to drive

Driving with suspected cam/lifter damage can escalate costs and risk breakdowns.

• Accelerated wear: metal in oil damages bearings, turbochargers, and VVT components.
• Timing failure: stretched chains or broken followers can cause catastrophic engine damage.
• Safety and reliability: sudden power loss or stalling in traffic.

If you must move the vehicle, keep revs low, avoid load, and minimize run time until inspected.

Questions to ask your shop

Good questions help you validate the plan and prevent repeat failures.

• What exactly failed—cam lobe, lifter, phaser, journal, chain/belt, or sensor?
• What evidence supports it—oil findings, photos, measurements, codes, pressure tests?
• What collateral damage checks have you done—bearings, oil pump, valve train, guides?
• What parts are included—new lifters/followers, rockers, timing set, seals, updated designs?
• Will you flush or drop the oil pan and clean/inspect the pickup and galleries?
• What warranty covers parts and labor, and for how long?
• What’s the out-the-door cost versus a used or reman engine?

Clear answers and a written estimate with part numbers reduce surprises and help you compare options fairly.

Preventing a repeat

After repair or engine replacement, maintenance choices matter.

• Use oil that meets the manufacturer’s spec; ensure correct viscosity and add packs for flat-tappet cams where required.
• Follow break-in procedures for new cams and lifters—high-zinc oil, specified RPM, and duration.
• Keep oil change intervals realistic for your usage; severe service often needs shorter intervals.
• Address VVT health: clean oil, correct filters, and timely timing component service.
• Investigate abnormal noises promptly; early fixes are cheaper.

These habits extend valvetrain life and protect your investment.

Bottom line

It’s worth fixing a camshaft when damage is localized, the vehicle still has solid value, and diagnostics confirm no widespread oil-system or bearing harm. For modern daily drivers, replacing the cam and lifters—or repairing VVT/timing components—often solves the problem. If metal contamination or journal damage is present, a used or remanufactured engine may be the safer, more economical choice.

Summary

Camshaft issues range from minor VVT and timing fixes to major mechanical failures. Verify the root cause, assess collateral damage, and compare the total repair cost with the vehicle’s value and alternative engine options. Replace or regrind the cam when damage is contained; consider an engine swap when contamination or head journal damage suggests deeper harm. Proper oil, break-in, and timely service help prevent repeat failures.

Is replacing a camshaft worth it?

Replacing a camshaft is worth it for severe wear, damage, or for performance upgrades, especially if the vehicle is otherwise in good condition and you need long-term reliability. However, if the engine itself is heavily worn, a full engine rebuild may be more cost-effective than a single camshaft replacement. 
Reasons to Replace a Camshaft

• Preventative Maintenance for a Healthy Engine: Replacing a camshaft is a good investment if the rest of your engine is in good shape, as it restores lost performance, improves fuel efficiency, and ensures longer engine life. 
• Engine Performance Upgrades: Replacing a camshaft with an upgraded one can significantly improve engine power and performance. 
• Damage and Reliability: A worn or damaged camshaft affects engine power, creates misfires, and can lead to other engine problems. A new camshaft ensures better reliability and performance. 
• Warranty Protection: A new camshaft often comes with a warranty, providing long-term assurance against defects and unexpected repair costs. 

When It May Not Be Worth It

• Extensive Engine Wear: Opens in new tabIf the camshaft is so worn that the rest of the engine is also significantly worn, it may be more practical to rebuild or replace the entire engine rather than just the camshaft. 
• Cost-Effectiveness: Opens in new tabFor older vehicles with lower resale value, the cost of a camshaft replacement may outweigh the potential benefit or value of the vehicle itself. 

Signs a Camshaft Needs Replacing

• Engine Noises: Ticking or tapping noises from the valve train. 
• Performance Issues: Reduced engine power, poor acceleration, rough idling, or engine misfires. 
• Check Engine Light: Illuminates due to issues related to valve timing or engine performance. 
• Poor Fuel Efficiency: Worn cam lobes can affect valve operation, leading to poor fuel economy. 

Important Considerations

• Associated Repairs: When replacing a camshaft, you may also need to replace other valve train components, such as lifters or rocker arms. 
• Timing: Incorrect timing during reinstallation can lead to serious engine damage, so professional help is often recommended. 

What is the lifespan of a camshaft?

Camshafts don’t generally have a specific replacement interval. With proper maintenance, many can last over 150,000 miles. It’s important to watch for signs of wear and have regular inspections. If you notice any issues, consult a professional mechanic to determine if a replacement is needed.

Can you drive with a damaged camshaft?

No, you should not drive with a bad camshaft. A failing camshaft can cause severe engine damage, poor engine performance, and potential stalling, which can lead to accidents. If you suspect you have a bad camshaft, it is best to stop driving the vehicle immediately and have it towed to a qualified mechanic for inspection and repair to avoid further, more expensive damage. 
Why you shouldn’t drive with a bad camshaft:

• Serious Engine Damage: Continued use can cause severe, costly damage to other engine parts. 
• Poor Performance: Expect issues like a rough or lopey idle, lack of power, and poor fuel economy. 
• Stalling: The engine can stall unexpectedly, putting you and others at risk of an accident. 
• Misfires and Incomplete Combustion: A worn camshaft can cause valves to open incorrectly, leading to misfires and unburnt fuel in the exhaust system, which can damage the catalytic converter. 
• Increased Risk: The unpredictability of a failing engine makes it dangerous for both you and other motorists. 

What to do instead:

• Stop Driving: As soon as you notice symptoms, stop using the vehicle. 
• Get it Towed: Have your car towed to a qualified mechanic. 
• Consult a Technician: A certified technician can properly diagnose the issue and recommend the necessary repairs to avoid further damage. 

How much does it cost to fix a camshaft?

Replacing a camshaft typically costs between $1,000 and $3,500, though this can vary significantly based on your vehicle’s make and model, labor rates, and whether other parts, like lifters or timing belts, need replacement. Parts for a camshaft can range from $200 to over $1,000, while labor-intensive installation can add $800 to over $2,000 to the total. Minor “repairs,” such as replacing a worn cam follower, can be significantly cheaper, costing under $1,000. 
Factors that Influence the Cost

• Vehicle Make and Model: Luxury or high-end vehicles will generally have higher part and labor costs. 
• Labor Costs: Replacing a camshaft is a complex and labor-intensive job, and mechanic hourly rates and the complexity of the engine will affect the final price. 
• Associated Parts: When the camshaft is replaced, it’s common to also replace related components like the lifters, seals, timing belt, and other engine parts. 
• Camshaft Quantity: Some engines have more than one camshaft, which can increase the overall cost. 
• Type of Repair: A full replacement is more expensive than a minor repair, such as a resurfacing or re-machining of the camshaft. 

What to Expect from the Process

• Part Costs: Opens in new tabThe price of the camshaft itself can vary from around $200 to over $1,000, depending on the specific car. 
• Labor Costs: Opens in new tabLabor is often the most expensive part of the repair, as the job is intricate and requires precise reassembly and torque levels. 
• Additional Services: Opens in new tabMechanics may also recommend or include the replacement of the camshaft position sensor, lifters, and timing components for a more comprehensive repair. 

Steps to Take

1. Get a Diagnosis: Have a professional mechanic diagnose the issue to determine if the camshaft needs replacing. 
2. Obtain Multiple Quotes: Get estimates from different garages, including dealerships and independent shops, to compare prices. 
3. Check Your Warranty: See if the repair is covered by an extended car warranty, according to Reddit users. 
4. Consider Your Options: If costs are prohibitive, explore options like financing or consider if the repair is worthwhile based on the age and condition of your vehicle, notes HCS Auto Repair.