2006 Kenworth T800 problems, complaints & recalls
Most-reported problem areas: Electrical System (3) · Service Brakes, Hydraulic (1)
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (25)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-13 · 42-070 · Service Bulletin/Repair Instructions
due to supplier constraints, an authorized aftermarket surge tank has been made available.
Engine 2026-09-11 · P001 · Service Bulletin/Repair Instructions
"kenworth: dealers should check the chassis list and sir weekly for vin changes. 2 chassis added to the chassis list. peterbilt: dealers should check the chassis list and sir weekly for vin changes. 10 chassis added to the chassis list."
Visibility:windshield Wiper/Washer 2021-02-10 · 02-160 · Service Bulletin/Repair Instructions
information only â windshield washer pumps have a high no trouble found rate. washer pumps may fail to spray due to a clogged filter.
Equipment:appliance:air Conditioner 2020-12-20 · DOR-W5T2V-01 · Service Bulletin/Repair Instructions
this sku is a climate control module. the customer communication requested return of unsold inventory to inspect alignment pins and knobs. the alignment pins may be weak which cause them to break and knob material may be weak which could cause them to break. breaking of the alignment pins or knob
Electrical System 2020-06-08 · 32-015 · Service Bulletin/Repair Instructions
information only: this bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Equipment 2020-03-17 · 32-016 · Service Bulletin/Repair Instructions
information only: proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
Showing the 6 most recent of 25 bulletins. Search all of them free at nhtsa.gov.
What owners report
2011-09-19 · Service Brakes, Hydraulic“tl* the contact owns a 2006 kenworth t800. the contact stated that the brakes would not function properly unless excessive pressure was applied to the brake pedal. the vehicle was taken to an independent repair shop where the technicians stated that all of the brakes were performing below specifications. the brakes were repaired. the failure since …”
2010-08-30 · Electrical System · 🔥 fire“booster cable routing and cable mounting on 2006 kenworth found to be cause of fire. *tr…”
2010-08-30 · Electrical System · 🔥 fire“booster cable routing and cable mounting on 2002 kenworth found to be cause of fire. *tr…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.