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Service bulletin TB-18-20-01

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10129253
Published by NHTSA2018-02-21
Manufacturer's numberTB-18-20-01
Manufacturer's date2018-01-09
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

Radiator Hose Clamp inspection

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Cooling system, Radiator

Vehicles listed
KARMA REVERO2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SC-17-20-082021-05-03. Service bulletin. Inspection of Radiator and Fan Assembly
SC-19-20-012019-12-03. Service bulletin. Debris Inspection and Deflector Install some vehicles come into service for over heating concerns, and this is a service tip to inspect for and clean out any debris on the radiator, and install a new component to protect from re-occurrence.
TB-18-20-032018-06-18. Service bulletin. TB-18-20-03 Overmold clamp inspection, inspect for possible missing clamps on a hose assembly- installl new ones if needed.
TB-17-12-192018-04-02. Service bulletin. Intercooler Hose Clamp Inspection Revised 2-15-18 (repost for bulletin naming convention correction )
CC-18-30-012018-04-02. Service bulletin. AC line inspection , check the AC line for clearnace and slide on a nylon sheath to avoid the condition
CC-17-20-142018-04-02. Service bulletin. Heater Hose Control Valve Install revised 2-1-18
TB-17-12-192017-10-15. Service bulletin. Intercooler hose clamps may be mispositioned in manufacturing. This is an inspection bulletin to reseat clamps if needed.