# Service bulletin 986001

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.

- Type: Service bulletin
- NHTSA id: 605803
- Published by NHTSA: 1999\-07\-26
- Manufacturer's number: 986001
- Manufacturer's date: 1998\-01\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

## NHTSA's summary

CUSTOMER COMPLAINT OF ENGINE MISS UNDER LOAD WHILE GOING UP STEEP HILLS. \*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

## Vehicles listed

- 1991 FORD EXPLORER

## Other bulletins for the same vehicles and component

- [02142](/bulletins/635982.md), 2002-11-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION AND A 4.0L OHV ENGINE MAY EXHIBIT A NOISE / VIBRATION, NO DRIVE, UNUSUAL NOISE DURING CRANKING OR A NO CRANK CONDITION. \*TT
- [01197](/bulletins/627752.md), 2002-02-22, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH THE 4.0L OHV ENGINE MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / ONNECTING ROD BEARING KNOCK. \*TT
- [13118](/bulletins/6091931.md), 2000-11-16, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / CONNECTING ROD BEARING KNOCK. \*TT
- [6896](/bulletins/608921.md), 2000-11-09, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / CONNECTING ROD BEARING KNOCK. \*TT
- [99816](/bulletins/606420.md), 1999-08-19, 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
- [982310](/bulletins/603724.md), 1999-03-03, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. MASS AIR FLOW \(MAF\)\- SENSOR CONTAMINATION\- SERVICE TIP. \*AK
- [9864](/bulletins/601312.md), 1998-07-21, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. INFORMATION ON A BUZZING OR RATTLE NOISE FROM THE EXHAUST SYSTEM. \*TT
- [BC1019997230](/bulletins/51559.md), 1997-06-27, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. 4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPNIED WITH A THUMPING NOISE OR FEEL IN THE COOLANT HOSES WITH THE ENGINE AT NORMAL OPERATING TEMPERATURE. \*JD
- [BC3485972301](/bulletins/51482.md), 1997-06-27, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. 4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPANIED WITH A THUMPING NOISE OR FEEL IN THE COOLANT HOSE WITH THE ENGINE AT NORMAL OPERATING TEMPERATURE. \*JD
- [95153](/bulletins/45934.md), 1996-04-25, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. TEMPERATURE GAUGE \- FLUCTUATING AND /OR INACCURATE HIGH READINGS. \*SD

JSON: [/v1/bulletins/605803](/v1/bulletins/605803)

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