Kenworth C500, Kenworth T2000, Kenworth T600, Kenworth T660, Peterbilt 387, Peterbilt 388, model years 2007 to 2011. Filed by Paccar Incorporated and reported to NHTSA on 24 March 2011. 5,831 vehicles potentially affected.
What the notice says Paccar is recalling certain model year 2007-2011 kenworth c500, t2000, t600, and t660, as well as model year 2009-2011 peterbilt 387 and 388 trucks equipped with caterpillar c15 engine and manufactured from may 11, 2006, through september 17, 2010. degradation of a combustion tube weld can cause radial heat …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 11V203 cover?
- Kenworth C500, Kenworth T2000, Kenworth T600, Kenworth T660, Peterbilt 387, Peterbilt 388, model years 2007-2011.
- What is wrong with them?
- PACCAR IS RECALLING CERTAIN MODEL YEAR 2007-2011 KENWORTH C500, T2000, T600, AND T660, AS WELL AS MODEL YEAR 2009-2011 PETERBILT 387 AND 388 TRUCKS EQUIPPED WITH CATERPILLAR C15 ENGINE AND MANUFACTURED FROM MAY 11, 2006, THROUGH SEPTEMBER 17, 2010.
- What can happen if it is not put right?
- THIS COULD RESULT IN A FIRE.
- Is there a fix yet?
- Yes, and it is free. CATERPILLAR IS HANDLING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. PLEASE SEE CATERPILLAR'S DEFECT REPORT 11E-006. CATERPILLAR WILL REPLACE THE SINGLE PIECE COMBUSTION TUBE WITH A THICK WALL COMBUSTION TUBE WHICH WILL NOT ALLOW THE HEAT TO BREAK THROUGH.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “THIS COULD RESULT IN A FIRE.”
affected
in the notice
caught
| Campaign | 11V203 |
|---|---|
| Filed by | PACCAR INCORPORATED |
| System at fault | Engine And Engine Cooling |
| Reported to NHTSA | 24 March 2011 |
| Model years | 2007-2011 |
| Vehicles named | KENWORTH C500, KENWORTH T2000, KENWORTH T600, KENWORTH T660, PETERBILT 387, PETERBILT 388 |
What the notice says today
The consequence
THIS COULD RESULT IN A FIRE.
The remedy
CATERPILLAR IS HANDLING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. PLEASE SEE CATERPILLAR'S DEFECT REPORT 11E-006. CATERPILLAR WILL REPLACE THE SINGLE PIECE COMBUSTION TUBE WITH A THICK WALL COMBUSTION TUBE WHICH WILL NOT ALLOW THE HEAT TO BREAK THROUGH. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. DUE TO A PARTS SUPPLY ISSUE, OWNERS WILL BE NOTIFIED BY THE END OF APRIL 2011 ABOUT THE SAFETY DEFECT, AND WILL THEN BE NOTIFIED AGAIN ONCE THE FREE REMEDY IS AVAILABLE, CURRENTLY ESTIMATED TO BE AROUND LATE JULY 2011. OWNERS MAY CONTACT CATERPILLAR TOLL-FREE AT 1-800-447-4986.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 588 notices in the record whose component field names engine and engine cooling. Across that group the median wait before owners were written to was 47 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Kenworth C500 recalls: 17 US campaigns
- Kenworth T2000 recalls: 4 US campaigns
- Kenworth T600 recalls: 3 US campaigns
- Kenworth T660 recalls: 40 US campaigns
- Peterbilt 387 recalls: 7 US campaigns
- Peterbilt 388 recalls: 17 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 11V203, wording as read on 17 September 2026. https://carsmultiverse.com/recall/11v203/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 11V203 on 17 September 2026, they were:
- Defect summary
e4546b0f - Consequence
355f4c8e - Remedy
6d78f2ce
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 11V203 · how the whole register is watched
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