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Service bulletin 1800101

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id618401
Published by NHTSA2001-04-12
Manufacturer's number1800101
Manufacturer's date2001-01-26
Replaces1802300A
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

INFORMATION REGARDING ENGINE PERFORMANCE ENHANCEMENTS. *JB

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
DODGE DAKOTA2000
DODGE DURANGO2000
JEEP GRAND CHEROKEE1999, 2000

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
06V1990002006-06-08. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
20020742002-04-17. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
05191925A2022-12-19. Service bulletin. Radiator If vehicle comes in for transmission fluid leaking from trans-oil cooler fittings on the radiator, please perform the following before replacing the radiator/cooler:~ 1. Remove both of the transmission lines from the cooler?s top/bottom flared fittings on the radiator. ~ 2. Remove hex nut and the top flared fitting on the radiator tank.~ 3. Using a wire brush and gasket remover, clean off the old sealant on the smaller threaded portion of the flared fitting. Do the same for the threads on the trans oil cooler.~ 4. Apply a new application of Mopar PN 04318032 to the flared fitting, leaving the first threads free for ease of engagement.~ 5. Install the top flared fitting by hand, then torque the fitting to 235 +/- 15 Lb-In.~ 6. Install the hex nut and torque to 100 +/- 10 Lb-In.~ 7. Repeat steps 2-6 for bottom flared fitting.~ 8. Reinstall transmission line per normal installation procedures and ensure correct fluid level.~
683328102022-10-17. Service bulletin. 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.].
R2118796A2021-05-03. Service bulletin. Valve Body. These may cause over drive cycling.
05191925A$2020-10-26. Service bulletin. Radiator If vehicle comes in for transmission fluid leaking from trans-oil cooler fittings on the radiator, please perform the following before replacing the radiator/cooler:~ 1. Remove both of the transmission lines from the cooler?s top/bottom flared fittings on the radiator. ~ 2. Remove hex nut and the top flared fitting on the radiator tank.~ 3. Using a wire brush and gasket remover, clean off the old sealant on the smaller threaded portion of the flared fitting. Do the same for the threads on the trans oil cooler.~ 4. Apply a new application of Mopar PN 04318032 to the flared fitting, leaving the first threads free for ease of engagement.~ 5. Install the top flared fitting by hand, then torque the fitting to 235 +/- 15 Lb-In.~ 6. Install the hex nut and torque to 100 +/- 10 Lb-In.~ 7. Repeat steps 2-6 for bottom flared fitting.~ 8. Reinstall transmission line per normal installation procedures and ensure correct fluid level.~
18031032003-11-11. Service bulletin. 4.0L ROUGH ENGINE IDLE AFTER RESTART FOLLOWING A HOT SOAK. *TT
09003032003-10-23. Service bulletin. 4.0L MULTIPLE CYLINDER MISFIRE. *TT
1800902A2002-09-27. Service bulletin. SUBJECT REGARDING FLASH: HOT SAG/SPARK KNOCK/TRANSMISSION SHIFT ISSUES. *SLC
18012022002-04-30. Service bulletin. SUBJECT REGARDING COLD START RPM FLARE. *JG
18001022002-03-27. Service bulletin. CUSTOMERS MAY COMPLAIN THAT ONCE THE ELECTRIC ENGINE COOLING FAN COMES ON, IT RUNS CONTINOUSLY UNTIL THE ENGINE IS SHUT OFF. *TT
25004012001-07-11. Service bulletin. SUBJECT REGARDING ADDITIONAL DIAGNOSTIC FOR DIAGNOSTIC TROUBLE CODES CAUSED BY AN EVAPORATIVE SYSTEM LEAK. *TT