Timing chain replacement typically costs between $1,980 and $2,680. Because the timing chain keeps the crankshaft and camshaft perfectly synchronized, a worn or loose chain can quickly throw your engine out of timing and lead to even more expensive engine damage.
The tricky part?
Timing chains are buried deep inside the engine, which makes the repair labor-intensive and costly.
In this guide, we’ll break down timing chain replacement costs, the warning signs of failure, and what factors can drive the repair price up or down.
This Article Contains:
- How Much Does a Timing Chain Replacement Cost?
- Is It Worth Replacing the Timing Chain?
- 5 Surefire Signs You Need a Timing Chain Replacement
- How Long Do Timing Chains Last?
- How Does the Timing Chain Work?
- Can You Replace the Timing Chain Yourself?
How Much Does a Timing Chain Replacement Cost?
Let’s find out the average cost of a timing chain repair service:
A. Range
Although it’s difficult to pin down an accurate estimate, expect to spend roughly $1980 and $2,680 to install a new timing chain.
This includes:
- Cost of timing chain components: $700 to $800
- Cost of labor: $1280 to $1880
B. Factors Affecting Cost
The timing chain replacement cost varies depending on your vehicle model and the labor costs in your area.
Other factors influencing the price include:
- Accessibility: Inline engines with front-mounted timing chains are usually easier and cheaper to service. In contrast, some V6 and V8 engines have rear-mounted timing chains that require removing the engine or transmission. This can increase the labor cost.
- Location and type of shop: Labor rates can be higher in urban areas and dealerships when compared to rural areas and independent shops.
- Quality of the replacement parts: Original equipment manufacturer (OEM) timing chains are more expensive but offer better durability. Meanwhile, aftermarket timing chain components may be more affordable, but their quality may vary.
- Warranty: Opting for a timing chain with a longer warranty period will require a higher upfront cost.
- Additional repair: Any extra car repair, like fixing repairs related to the timing belt idler pulley, timing belt tensioner, or water pump, can increase the overall replacement cost. For instance, swapping out a water pump can add another $400 to $925 to the final bill.
Now, let’s move on to the real question:
Is It Worth Replacing the Timing Chain?
Yes, replacing a failing timing chain is absolutely worth it — and often necessary to prevent severe engine damage.
The timing chain keeps the crankshaft and camshaft perfectly synchronized, allowing the engine’s valves and pistons to move in precise timing. If the chain becomes too loose or breaks, that synchronization is lost.
When a timing chain breaks while the engine is running:
- The camshaft and crankshaft fall out of sync
- Pistons may collide with open valves
- Valves can bend or break
- Pistons or cylinder heads may suffer damage
In many modern engines (known as interference engines), this type of failure can cause catastrophic engine damage. In such cases, the repair may require a complete engine rebuild or replacement, which can cost $2,000 to $13,000 or more.
Because of these risks, replacing a worn timing chain early is usually far cheaper than dealing with the major engine repairs that can follow a complete failure.
5 Surefire Signs You Need a Timing Chain Replacement
Some tell-tale symptoms of a failing timing chain include:
- Misfiring engine: A worn timing chain can skip a gear on the camshaft or crankshaft, causing the engine to misfire and accelerate poorly.
- Traces of metal in the oil: Parts of the metal may break off from a damaged timing chain and mix with the engine oil. If you notice metal shavings in your oil pan, replace your timing chain and get an oil change.
- Lit check engine light: A faulty timing chain can throw the engine’s camshaft and crankshaft out of sync, which the ECU detects through sensors. It then triggers the check engine light as an early warning.
- Rattling noise: A loose or worn timing chain produces a rattling sound as it slaps against internal components when the engine is running.
- Car refuses to start: A damaged timing chain can disrupt the precise timing between the crankshaft and camshaft, disrupting proper combustion and preventing the engine from starting.
Next, let’s talk about timing:
How Long Do Timing Chains Last?
With good driving habits, an engine timing chain can last between 80,000 and 100,000 miles.
However, like other engine components, timing chains can degrade over time. This makes regular car maintenance schedules essential for catching a bad timing chain early.
If you’re curious why a healthy timing chain matters so much, it helps to know exactly what it does behind the scenes.
How Does the Timing Chain Work?
The engine timing chain or valve timing chain synchronizes the camshaft and crankshaft rotation.
As the crankshaft rotates, it drives the timing chain, which in turn rotates the camshaft(s). This precise movement controls when the intake and exhaust valves open and close — allowing fuel to enter the engine and exhaust gases to exit at exactly the right moments.
When everything stays in sync, the system runs like clockwork, delivering smooth, efficient combustion and the power needed to drive at your desired speed.
Now, before you roll up your sleeves to fix the bad timing chain, here’s something important to know:
Can You Replace the Timing Chain Yourself?
Replacing the timing chain is complicated, labor-intensive, and needs good technical knowledge. Since timing chain repair requires precise alignment, even a small mistake can throw the engine out of sync and cause complete engine failure.
So it’s best to rely on a professional mechanic to fix your timing chain issues.
Here’s how they’ll swap out a broken timing chain:
- Disconnect the battery, secure the wheels with wedges, and engage the parking brake.
- Drain all engine fluids (oil and coolant).
- Remove the air intake and drive belt. Remove the radiator hose and water pump hoses. They’ll also take off the electric radiator fan and shroud if needed for access.
- Remove any accessories, like the AC compressor and alternator, as well as pulleys, in the way of the timing chain cover.
- Remove the water pump if your vehicle model has one driven by the timing chain.
- Remove the timing chain tensioner, guides, and the timing chain itself.
- Compare the new timing chain and gears with the old parts to ensure they’re the correct parts.
- Set the engine to its top dead center position (i.e., the position of a piston in which its head is the farthest away from the crankshaft) on cylinder 1. Align the timing marks as given in the car’s service manual.
- Install the new guides and timing chain tensioner. Then, install the new timing chain, ensuring it aligns with the timing marks, and set the chain tension.
- Pour a gasket sealer on the timing chain cover and reinstall it as per the torque specifications given in the service manual.
- Reinstall all engine components removed earlier to replace the timing chain.
- Refill the engine with oil and coolant, and crank the engine to ensure everything works smoothly.
Get a Quick Timing Chain Replacement with AutoNation Mobile Service
Unless replaced promptly, a broken timing chain can cause various problems for your car’s engine. That’s why you should follow a regular car maintenance schedule and address warning signs early to avoid costly repairs and significant engine damage.
Before matters get out of hand, consider calling AutoNation Mobile Service.
We’re a mobile auto repair and maintenance service available seven days a week. Our mobile mechanics can fix your timing chain issues right from your driveway!
Book an appointment for expert timing chain repair services.