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Service bulletins for the 1999 Mercury Mountaineer

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.

340 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
99130941999-12-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CONCERNS WITH 4.0L SOHC ENGINES EQUIPPED VEHICLES EXHIBITING AN OIL LEAK FROM THE OIL PRESSURE SWITCH BOSS OF THE ENGINE BLOCK. *TT
9968741999-12-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT PERTAINING TO THE SBDS RELATIVE CAM TIMING TEST WHICH HAS BEEN TEMPORARILY REMOVED FROM USE ON SOME VEHICLES DUE TO NOISE CONCERNS. *TT
129031999-09-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONCERNS WITH OIL LEAK OF THE ENGINE BLOCK AT THE OIL PRESSURE SWITCH BOSS. TT
62951999-09-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. VEHICLES MAY EXHIBIT A FRONT ACCESSORY DRIVE (FEAD) BELT NOISE. *TT
998161999-08-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. FORD MOTOR COMPANY NOW RECOMMENDS SAE 5W-30 VISCOSITY GRADE FOR SERVICING ANY FORD GASOLINE-POWERED VEHICLE REGARDLESS OF MODEL YEAR. *TT
125531999-06-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING HIGHER BASE IDLE STRATEGY. *TT
9823101999-03-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. MASS AIR FLOW (MAF)- SENSOR CONTAMINATION- SERVICE TIP. *AK
9820101999-03-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXPERIENCING A " BUZZING " OR " RATTLING " NOISE FROM THE EXHAUST SYSTEM. *YC
982111999-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXPERIENCING A NOISE AND VIBRATION DURING IDLE.
9825111999-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SERVICE TIPS ON COMPOSITE FUEL RAIL. *YC

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.