# Service bulletin S1924000019RevA

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: 10220519
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: S1924000019RevA
- Manufacturer's date: 2021\-02\-19
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

## NHTSA's summary

Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10220519-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10220519-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Cooling system

## Vehicles listed

- 2019 to 2020 RAM 1500

## Other bulletins for the same vehicles and component

- [9100212](/bulletins/10244344.md), 2023-10-30, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. 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.
- [9004376](/bulletins/10229991.md), 2023-01-17, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. PUMP, Vacuum Prior to replacing the vacuum pumps, please contact or email FCA Redacted Content. If no response in 15 minutes, proceed with repair.
- [9004376](/bulletins/10223385.md), 2022-10-17, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. PUMP, Vacuum Prior to replacing the vacuum pumps, please contact or email FCA Redacted Content. If no response in 15 minutes, proceed with repair.
- [9004082](/bulletins/10162478.md), 2019-07-15, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. FAN MODULE, Radiator Cooling For radiator fan concerns, please contact Sam Zarnegar at 248\-944\-5703 prior to replacement. If no response in 15 minutes, proceed with repair.
- [05191925A](/bulletins/10149006.md), 2018-11-26, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Radiator If vehicle comes in for transmission fluid leaking from trans\-oil cooler fittings on the radiator, please check 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. Loosen the hex nut on the top flared fitting on the radiator tank.\~ 3. Torque the top flared fitting to 235 \+/\- 15 Lb\-In.\~ 4. Torque hex nut to 100 \+/\- 10 Lb\-In.\~ 5. Repeat for bottom flared fitting.\~ 6. Reinstall transmission line per normal installation procedures and ensure correct fluid level.\~ \~ If vehicle is in need of a new radiator for another reason, check the new radiator for correct torque on the trans\-oil cooler fitting per steps 2\-5 above.\~ \~ If radiator has a yellow mark by the trans\-oil cooler fittings the torque does not have to be checked.

JSON: [/v1/bulletins/10220519](/v1/bulletins/10220519)

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