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Service bulletin No. 136-20

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 id10179105
Published by NHTSA2020-09-02
Manufacturer's numberNo. 136-20
Manufacturer's date2020-08-20
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

Service Campaign information for Porsche Workshop campaign WLH5 - Checking Plug Connection for Water Drain Hose and Connecting it Correctly if Necessary.

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, Equipment and accessories, Heating and air conditioning, Cooling system

Vehicles listed
PORSCHE TAYCAN2020

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