# Service bulletin 1801903

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: 10002397
- Published by NHTSA: 2003\-08\-27
- Manufacturer's number: 1801903
- Manufacturer's date: 2003\-05\-02
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

ENGINE SPARK KNOCK USING 91 OCTANE GASOLINE. \*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

- 1997 to 2002 DODGE VIPER

## Other bulletins for the same vehicles and component

- [68332810](/bulletins/10223854.md), 2022-10-17, Service bulletin: ENGINE AND ENGINE COOLING. Service \- Four Piece Oil Pan Gasket All Cummins Equipped Vehicles ONLY \- The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only. Installation: 1. Clean the oil pan T\-joints.\~ 2. Fill the T\-joint between the pan rail/gear housing and pan rail/rear seal retainer with sealant. Use Mopar® Silicone Rubber Adhesive Sealant or equivalent. 3. Apply a 2\-mm \[0.063\-in\] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the oil pan flange.\~ 4. The four piece gasket will need to be assembled to make a complete oil pan gasket. 5. Lay the oil pan gasket\(s\) onto the oil pan flange.\~ 6. Ensure the oil pan gasket segment joints are properly aligned. 7. Apply a 2\-mm \[0.063\-in\] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the top of the oil pan gasket.\~ 8. Install the oil pan. Starting from the center and working outward, tighten the oil pan bolts to 28 N·m \[21 ft. lbs.\].
- [R2118796A](/bulletins/10191460.md), 2021-05-03, Service bulletin: ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
- [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
- [01013](/bulletins/620943.md), 2001-09-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. ADVANCE SERVICE INFORMATION REGARDING LOW ENGINE OIL PRESSURE. \*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
- [180100](/bulletins/609988.md), 2000-04-12, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING MISDIAGNOSED LEAK DETECTION PUMP SYSTEMS WITH DIAGNOSTIC TROUBLE CODES P1494, P0442 P0455, OR P0456. \*TT
- [183297](/bulletins/6089147.md), 2000-01-13, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. THIS BULLETIN INVOLVES DROP IN RPM/PERCIEVED MISFIRE AT 5500 RPM. \*NLM
- [090897](/bulletins/6088856.md), 2000-01-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. THIS BULLETIN INVOLVES OIL PAN SEEPAGE. \*NLM
- [090597](/bulletins/6088854.md), 2000-01-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON LIFTER TYPE NOISE AFTER FLYWHEEL REMOVAL AND INSTALLATION. \*NLM
- [070397](/bulletins/6088786.md), 2000-01-07, Service bulletin: ENGINE AND ENGINE COOLING. CONCERNS WITH ENGINE COOLANT USAGE. \*NLM

JSON: [/v1/bulletins/10002397](/v1/bulletins/10002397)

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