$411–$791 tensioner + belt · parts $80–$200 + labor $180–$300

What does this cost in your state?

California is the costliest state and Arkansas the cheapest; each square shows that state's midpoint of the estimate.

Source: CalcScrape calculator model scaled by BEA Regional Price Parities · data from 2024

Counts below are complaints filed with NHTSA, not failure rates: a longer bar means more owners reported it.

Is your car affected?

Is it urgent, and what do owners notice first?

27 owner complaints name this part.

What owners describeShare of these complaints that describe each symptom; one complaint can describe several

Owners say the dealer could not fix or repeat the problem. If it comes back after a repair, ask what was tested before you pay again.

Source: NHTSA owner complaint files, 2020–2024 · complaints 2015–2019 · complaints 2025–2026 · file downloaded 2026-10-05

Which model years show up most in the complaints?

Among the 27 owner complaints naming this part that state a model year, complaints cluster in a few model years instead of spreading evenly.

Source: NHTSA owner complaint files · file downloaded 2026-10-05

Has the maker published a fix?

A bulletin is a repair procedure a maker sends its dealers, not a safety defect: if your maker is listed, ask the dealer whether one covers your car and quote its number.

Service bulletins that name this part
MakerVehiclesBulletin numberDateWhat it says
FordTransit 2022–2024; Ranger 2018–202226L01Aug 25, 2026Customer satisfaction program 26L01 certain 2018-2024 model year various vehicles 2.0L panther diesel engine timing belt and tensioner interval.

Source: NHTSA service bulletin files · file downloaded 2026-10-05

What do owners say?

3 complaints quoted word for word, each with its NHTSA number.

$3895.00 Also recommend replacement of timing belt with tensioner $516.00 There were not warning lamp before the failure.
2017 Honda Pilot · NHTSA #11719919
Timing belt tensioner - started leaking at only 31K miles.
2019 Honda Passport · NHTSA #11699897
The timing belt tensioner went bad causing the timing chain to jump time at 72k miles.
2015 Volkswagen Jetta · 72,000 miles · NHTSA #11195520

Source: NHTSA owner complaint files, 2020–2024 · complaints 2015–2019 · complaints 2025–2026 · file downloaded 2026-10-05

Check your car

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Timing belt tensioner replacement costs $411–$791 when the tensioner and a new belt are done together. Whether you add the water pump, and which shop does the work, move that number most.

What does timing belt tensioner replacement cover, and what does it leave out?

The default estimate is the tensioner plus a new timing belt, on a typical car at an average shop.

It doesn't include the water pump, idler pulleys, front seals or coolant. It also excludes taxes and any damage found once the cover is off. Most of the bill is labor, because the shop has to remove the timing cover and often the mounts and accessories to reach the tensioner.

How much does timing belt tensioner replacement change with each choice?

Three settings matter: how much you replace, the part quality, and the shop. Each row below changes one setting from the default.

Setting Estimate
Default: tensioner and belt $411–$791
Tensioner only $285–$522
Full kit: belt, tensioner, water pump and idler $554–$1,266
Independent shop $370–$712

Should you replace just the tensioner or the whole kit?

Replace the tensioner alone only if the belt is new. A tensioner that fails has usually been running with a belt of the same age, so the belt is close behind.

The labor is the same either way. That's why the full kit costs less than doing two separate visits. If the engine drives the water pump off the timing belt, add it now. Ask the shop whether yours does.

How do you know the tensioner is the problem, and how urgent is it?

In the 27 NHTSA owner complaints we matched to this part, 52% mention a noise and 41% a warning light. Another 22% say the engine stalled or lost power. Chirping or rattling from the front of the engine is the classic sign.

Don't wait on a noise. A failed tensioner lets the belt slip or jump a tooth, and on many engines that bends valves. Have it checked this week, and don't drive far if the engine runs rough.

How do you get a fair quote for timing belt tensioner replacement?

Ask for an itemized quote that lists the tensioner, belt, water pump, seals and labor hours separately. Then compare it against your shop type in the calculator. For the default job, a quote well above $791 is worth a second opinion.

Also ask whether the tensioner is an original-equipment part or aftermarket, and what the warranty covers on parts and labor. A repeat failure is much cheaper to fix under warranty.

What do owners ask about this repair?

Can I replace a timing belt tensioner myself? It's not a beginner job. The belt has to be timed exactly to the engine, and a small mistake can damage the engine. Most owners leave it to a shop.

Does it matter if my car has a chain instead of a belt? Yes. This estimate is for belt engines only, so check your owner's manual before you rely on it.

Sources

Data shown on this page

Terms: US government data, public domain.

Observed: records as filed; owner reports are unverified and are not failure rates. Modeled: our estimate, not a quote.

What is our own estimate

The price range comes from our calculator's formula. Its parts prices, labor hours per job and shop-rate tiers are CalcScrape estimates, not a published price dataset. Checked against RepairPal's range ($493–$709) on 2026-10-06: our default's midpoint is 0% above the middle of that range. Methodology