Service bulletin PI1251
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 | 10137936 |
| Published by NHTSA | 2018-05-21 |
| Manufacturer's number | PI1251 |
| Manufacturer's date | 2014-05-30 |
| NHTSA component | EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR |
NHTSA's summary
This preliminary bulletin has a procedure to apply thread lock to the catalytic converter bolts and reinstalling, to correct the customers concern of a knocking, rattle, or ping from under the vehicle.
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, Equipment and accessories, Exhaust and emissions, Catalytic converter
| CADILLAC ATS | 2013, 2014 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 060601010D | 2018-06-04. Service bulletin. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system. |
|---|---|
| PIP5232A | 2018-05-07. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire. |
| PIP5232 | 2018-05-07. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire. |
| PI1251B | 2017-10-15. Service bulletin. This preliminary informational bulletin provides information on applying thread locker to the catalytic converter bolts to eliminate a knock, rattle or ping noise from under the vehicle into the passenger compartment. |
| PIP5232B | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire. |
| PIP5232C | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the coil grounds ring terminal at the engine block for the bank with the concern and repair the wire. |
| PIP4919B | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to bring the catalytic converter up to operating temperature. This split injection strategy lasts for about 60 seconds on cold start. This process may cause the customer to see increased black smoke during cold start and should be considered normal. |