PACCAR Incorporated (PACCAR) is recalling certain 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470, 2023...
2004-2020 · 17 model years
Kenworth T660 Problems by year
Owners have filed 7 complaints about the Kenworth T660 across 17 model years, and it has 56 recalls. The 2008 has the most complaints once its age is allowed for (2). The most reported problem area is the engine & cooling, followed by the brakes.
- Complaints
- 7
- Recalls
- 56
- Crashes
- 2
- Fires
- 1
- Injuries
- 1
- Deaths
- 0
T660 complaints by model year
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
Most common T660 problems
Kenworth T660 recalls 56
PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T660, 2018-2024 Kenworth T800 and W900 vehicles. An additional spacer may have been added to the joint that connects the seat to the seat belt tether and buckle, causing an unsecured connection.
PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that...
PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped with NAMUX...
PACCAR Incorporated (PACCAR) is recalling certain 2018-2019 Peterbilt 337, 348, 365, 367, 389, 567, 579 and 587 trucks and 2018-2019 Kenworth C500, T270, T370, T440, T660, T680, T800, T880 and W900 trucks equipped with automated manual transmissions. An...
PACCAR Incorporated (PACCAR) is recalling certain 2017-2019 Kenworth C500, T600, T660, T680, T800, T880 and W900 trucks, as well as Peterbilt 367, 386, 389, 567, 579 and 587 trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving...
PACCAR Incorporated (PACCAR) is recalling certain 2016-2019 Kenworth C500, T660, T800, and W900 vehicles, equipped with 1.9M ISX15 engines. The engine harnesses may have been manufactured without check engine light (CEL) and stop engine light (SEL) circuits...
PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 567 and 579 trucks and 2015-2018 Kenworth T660, T680, T800, T880 and W900 trucks. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller...
PACCAR Incorporated (PACCAR) is recalling certain 2016 Peterbilt 220, 320, 325, 330, 337, 348, 365, 367, 382, 384, 386, 389, 389G, 567, 579 and 587 trucks and Kenworth K170, T170, T270, T370, T440, T470,T660, T680, T800, T880, and W900 trucks equipped with...
PACCAR Incorporated (PACCAR) is recalling certain model year 2017 Kenworth K370, T270, T370, T440, T660, T800 trucks manufactured February 2, 2016, to October 13, 2016, and Peterbilt 330, 337, 348, 367, 389, 567, and 579 trucks manufactured March 7, 2016, to...
PACCAR Incorporated (PACCAR) is recalling certain model year 2017 Kenworth C500, T660, T680, T800, T880, and W900 vehicles manufactured March 9, 2016, to April 26, 2016 and 2017 Peterbilt 320, 365, 367, 389, 567, 579, and 587 vehicles manufactured March 10...
Paccar Incorporated (Paccar) is recalling certain model year 2016 Kenworth T370, T660, T680, T800, T880, and W900 vehicles manufactured July 31, 2015, to August 12, 2015, and 2016 Peterbilt 337, 348, 365, 367, 382, 386, 389, 567, 579, and 587 vehicles...
Latest T660 complaints
The contact owns a 2014 Kenworth T660. The contact received a recall notification for NHTSA Campaign Number: 20V199000 (Electronic Stability Control, Service Brakes, Air). The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the issue. The part was not available for repair. The contact had not experienced a failure. Parts distribution disconnect.
Cummins engine has not come forward and announce on their is 15 liters that there are having rings and sleeves issues. Which cause the engine to burn oil failing our diesel particular filter which could cause a fire. The exist due a designee fault in the pistons of the engines. Rings are packing with soot and pushing rings open and allowing oil to burn in the engine . The extra then cause dpf cog fast making more regn. If the dpf can not clear it self it is a constant reng. This could leave to a fire. *Tr
During pre-trip inspection, service brake check failed, took to long to build up air pressure, ultimately, the system would not register any air pressure by gauge or physically.[[redacted]], [[redacted]] *js information redacted pursuant to the freedom of information act (foia), 5 u.S.C. 552(B)(6)
2008 Kenworth t660 with a caterpillar c-15 engine. Consumer states truck caught fire after accident *tgw the consumer stated a tanker truck suddenly stopped unexpectedly and the consumers husband hit the tankers bumper. Smoke and flames started pouring out from under the good of the tractor. The consumers husband grabbed the extinguisher, ran to the front of the trunk, but because of the smoke and flames, he was unable to open the hood. He discharged the fire extinguisher under the driver's side wheel well, but...
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the entire tractor was soon engulfed in flames. The fire department extinguished the flames and the tractor was towed to an impound yard. The insurance investigators could not determine the cause of the fire, due to the amount of fire damage to the engine. *Jb
While going down long mountain grades, in hot weather, the steering locks up. I was told that it needed a oil cooler. I paid $1280.00 For an oil cooler. Trw does not think they have any responsibility to warranty a one year old steering gear. Even though they know that it is a malfunctioning relief valve. *Tr
Tl* the contact owns a 2010 kenworth t660 truck. While driving approximately 10 mph, the contact attempted to depress the brake pedal when he noticed that the vehicle was hesitant to stop. The contact was able to pull the emergency brake in order to slow the vehicle speed but the contact crashed into the vehicle positioned in front of him. The contact noticed there was a cover over the steering column which interfered when he attempting to brake. The contact stated that the brake pedal was extremely narrow and made...
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it difficult to engage. A police report was filed. The contact was not injured but the driver of the second vehicle stated she recently had surgery on her shoulder and was worried about further injuries. The manufacturer was made aware of the failure and stated that an inspector would inspect the vehicle for failure. The vehicle was not repaired. The approximate failure mileage was 145,000. Updated 06/24/11 *bf the consumer marked the injury box. Updated 11/16/11
Questions about the Kenworth T660
Which Kenworth T660 years have the most problems?
Which Kenworth T660 years have the fewest complaints?
What are the most common Kenworth T660 problems?
Across every model year, owners report problems with the engine & cooling (3), brakes (3), driver assistance (1) most often.
How many recalls does the Kenworth T660 have?
NHTSA lists 56 recalls across all Kenworth T660 model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data