Service bulletin MDH020321
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 | 10057948 |
| Published by NHTSA | 2015-07-16 |
| Manufacturer's number | MDH020321 |
| Manufacturer's date | 2015-03-01 |
| NHTSA component | ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS |
NHTSA's summary
THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. FIAT CHRYSLER 2011-2012 RAM TRUCK CAB CHASSIS (3500 SERIES), (4500/5500 SERIES). THE COOLANT HOSE BUNDLES FOR THE DEF AND ALL HOSE CLAMPS RELATED MUST BE REPLACED. *LJ
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, Cooling system
| DODGE RAM 3500 | 2011, 2012 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| DODGE RAM 4500 | 2011, 2012 (the catalog's model; the bulletin names a series or trim of it) |
| DODGE RAM 5500 | 2011, 2012 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 05191925A | 2018-11-26. Service bulletin. 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. |
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