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Service bulletin 5848

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 id605236
Published by NHTSA1999-06-04
Manufacturer's number5848
Manufacturer's date1999-03-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

CONCERNS WITH CONTAMINATION IN THE COOLANT EXPANSION TANK. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling system

Vehicles listed
MERCURY COUGAR1999

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
125242000-11-14. Service bulletin. ADDRESSING CONCERNS OF CONTAMINATION IN THE COOLANT EXPANSION TANK (LOCATED ON THE PASSENGER SIDE INNER FENDER). *TT
120892000-06-16. Service bulletin. SOME VEHICLES MAY EXHIBIT A LOW COOLANT LIGHT CONCERN, WORKSHOP MANUAL DIAGNOSIS MAY NOT LEAD TO A RESOLUTION, NOTE WORKSHOP MANUAL UPDATES. *MJS
9823161999-03-04. Service bulletin. PREMATURE DETERIORATION OF THE COOLING SYSTEM RESULTING IN POTENTIAL LEAKS AND / OR COMPONENT FAILURE MAY OCCUR IF CONVENTIONAL PREMIUM ENGINE COOLANT (GREEN-COLORED) IS MIXED WITH NEW EXTENDED LIFE ENGINE COOLANT ( ORANGE-COLORED) FOUND IN THE VEHICLE. *YC