Technical Service Bulletin 8420 — 1999 MERCURY MOUNTAINEER
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Bulletin Details
| TSB ID | 8420 |
| Manufacturer | |
| Vehicle | 1999 MERCURY MOUNTAINEER |
| Component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
| Communication Date |
Bulletin Summary
SOME VEHICLES BUILT THROUGH 11/22/99 AND EQUIPPED WITH 4.0L SOHC ENGINE MAY EXHIBIT VARIOUS DRIVEABILITY CONDITIONS THAT LEAD TO IDLE AIR CONTROL (IAC) VALVE REPLACEMENT. *TT
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 1999 MERCURY MOUNTAINEER
15470
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
15422
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
13725
POWER TRAIN:AUTOMATIC TRANSMISSION
14489
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
14198
STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS
14048
ENGINE AND ENGINE COOLING:ENGINE
7418
STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS
7470
SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM
7536
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
13581
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE