# Service bulletin 0700401

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: 620917
- Published by NHTSA: 2001\-09\-04
- Manufacturer's number: 0700401
- Manufacturer's date: 2001\-07\-20
- Replaces: 070300
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

A CONDITION MAY EXIST WHERE THE ENGINE COOLANT TEMPERATURES MAY RISE HIGH ENOUGH TO CAUSE THE CHECK GAUGES LIGHT TO ILLUMINATE, INDICATING HIGH ENGINE COOLANT TEMPERATURE. \*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

- 2000 to 2001 JEEP WRANGLER

## Other bulletins for the same vehicles and component

- [R2118796A](/bulletins/10191460.md), 2021-05-03, Service bulletin: ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
- [0901004](/bulletins/10006452.md), 2004-05-03, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. DIRT AND DEBRIS ACCUMULATION AT REAR MAIN SEAL. \*TT
- [1803103](/bulletins/10003986.md), 2003-11-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. 4.0L ROUGH ENGINE IDLE AFTER RESTART FOLLOWING A HOT SOAK. \*TT
- [0900303](/bulletins/10003538.md), 2003-10-23, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. 4.0L MULTIPLE CYLINDER MISFIRE. \*TT
- [0700401A](/bulletins/628323.md), 2002-03-07, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. EXPERIENCING HIGH ENGINE TEMPERATURES DUE TO EXTENDED IN\-GEAR IDLING IN HOT AMBIENT TEMPERATURES. \*TT
- [0900301](/bulletins/621942.md), 2001-10-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. THIS BULLETIN REINFORCES A REQUIREMENT TO CEASE THE CURRENT PRACTICE OF USING SUPPLEMENTAL OIL ADDITIVE TREATMENTS IN ALL DAIMLERCHRYSLER ENGINES. \*TT
- [2500401](/bulletins/620071.md), 2001-07-11, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUBJECT REGARDING ADDITIONAL DIAGNOSTIC FOR DIAGNOSTIC TROUBLE CODES CAUSED BY AN EVAPORATIVE SYSTEM LEAK. \*TT
- [1801301](/bulletins/620067.md), 2001-07-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLE ENGINES MAY EXHIBIT A ROUGH IDLE AND / OR MALFUNCTION INDICATOR LAMP \(MIL\) LIGHT ON CONDITION UPON INITIAL START\-UP AFTER A COLD SOAK WHEN TEMPERATURES ARE BELOW 50 DEGREES F \(10 DEGREES C\). THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE \(PCM\) WITH NEW SOFTWARE. \*TT
- [0900301](/bulletins/620063.md), 2001-07-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. THIS BULLETIN REINFORCES A REQUIREMENT TO CEASE THE CURRENT PRACTICE OF USING SUPPLEMENTAL OIL ADDITIVE TREATMENTS IN ALL DIAMLER CHRYSLER ENGINES. \*TT
- [8591/8592](/bulletins/610645.md), 2000-05-09, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUBJECT REGARDING THE ON\-BOARD DIAGNOSTIC \(OBD\) SYSTEM ON ABOUT 309,000 VEHICLES LOCATED OUT OF CALIFORNIA AND VEHICLES LOCATED IN CALIFORNIA WILL NOT DETECT A CATALYST FAILURE AS REQUIRED BY FEDERAL AND CALIFORNIA REGULATIONS. \*TT

JSON: [/v1/bulletins/620917](/v1/bulletins/620917)

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