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Service bulletin 9004376

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 id10223385
Published by NHTSA2022-10-17
Manufacturer's number9004376
Manufacturer's date2021-05-26
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

NHTSA's summary

PUMP, Vacuum Prior to replacing the vacuum pumps, please contact or email FCA Redacted Content. If no response in 15 minutes, proceed with repair.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Cooling system, Water pump

Vehicles listed
JEEP GLADIATOR2020, 2021
JEEP WRANGLER2020, 2021
RAM 15002020, 2021

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

Other bulletins for the same vehicles and component
91002122023-10-30. Service bulletin. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be normal, but coolant should not be dripping from this location. If unsure about, use the Pressurized Coolant System Inspection process as found in the Dealer Connect Cooling Diagnosis and Testing Procedures.
90043762023-01-17. Service bulletin. PUMP, Vacuum Prior to replacing the vacuum pumps, please contact or email FCA Redacted Content. If no response in 15 minutes, proceed with repair.
91000222023-01-09. Service bulletin. Water Pump For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-22 before replacing the water pump.
S22070000022022-10-31. Service bulletin. Coolant leak
S22070000022022-10-31. Service bulletin. Coolant leak
S21140000022022-10-17. Service bulletin. CEL (Check Engine Lamp) On Shortly After Filling Vehicle
S21080001502022-09-26. Service bulletin. After-Run Race Cool Down Feature Does Not Operate
S1924000019RevA2022-09-26. Service bulletin. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
S21080001502022-05-31. Service bulletin. After-Run Race Cool Down Feature Does Not Operate
752672022-05-31. Service bulletin. TUBE - TURBO WATER FEED