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NHTSA ID Number: 10115013
Manufacturer Communication Number: PIP5300
Summary
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that engine overheating, and/or poor heater performance, AC off message, and Malfunction Indicator Lamp illumination. Technician will find Diagnostic Trouble Code P00B7 and/or P2181. Technician will gain access to the water outlet assembly and inspect for flashing or debris. If flashing or debris found in the water outlet assembly it will need to be replaced. Also inspect the upper heater core hose and coolant bypass pipe at the water outlet for a black plug. If plug is found, remove and discard.
12 Affected Products
Vehicles
MAKE | MODEL | YEAR |
BUICK | REGAL | 2014-2015 |
CADILLAC | ATS | 2013-2015 |
CADILLAC | CTS | 2014-2015 |
CHEVROLET | IMPALA | 2014-2015 |
CHEVROLET | MALIBU | 2013-2015 |
SEOCONTENT-START
Bulletin No.: PIP5300
Date: Jun-2015
Subject: Engine Overheating – Poor Heater Performance AC Off Message P00B7 P2181
Models: 2014 – 2015 Buick Regal
2013 – 2015 Cadillac ATS
2014 – 2015 Cadillac CTS
2013 – 2015 Chevrolet Malibu
2014 – 2015 Chevrolet Impala
equipped with 2.0L or 2.5L engine (RPO’s LCV, LKW and LTG)
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
Customer may have a complaint of one or more of the following: engine overheating, and/or poor heater performance, AC off message, MIL illumination due to
P00B7 and/or P2181.
Recommendation/Instructions
For 2013 Models remove the water outlet assembly attached to the rear of the cylinder head
This outlet is made of black plastic and has the hoses that connect to the heater core and surge tank
Check the outlet for plastic flashing and/or debris. (see photos below for reference).
If flashing and/or debris is found, replace the assembly.
Ensure the heater hoses are free of debris as well.
For all others if no flashing or debris is seen in the water outlet assembly or hoses, inspect the upper heater core hose and coolant bypass pipe at the water
outlet for a black plug.
If plug is found, remove and discard.
Evacuate and refill the system using the vac and fill procedure.
Evaluate heating and cooling systems and validate the repair.
SEOCONTENT-END
Bulletin No.: PIP5300
Date: Jun-2015
https://www.nhtsa.gov/recalls?nhtsaId=10115013
https://static.nhtsa.gov/odi/tsbs/2015/MC-10115013-9999.pdf
To View or Download this Document Click Here
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- ZEREX DEX-COOL antifreeze coolant contains no phosphates, silicates, borates, nitrates, amines and nitrites
- Valvoline ZEREX DEX-COOL antifreeze coolant is a patented* carboxylate formulation with a service life of up to five years or 150,000 miles
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- UNSURPASSED FREEZE PROTECTION AND ANTI-BOIL PERFORMANCE outperforms industry standards
- ORGANIC ACID TECHNOLOGY RESISTS CORROSION, SCALE AND RUST while protecting all cooling system metals (including aluminum)
- HIGH-QUALITY ADDITIVES PROTECT AGAINST LEAKS and won’t harm gaskets, hoses, plastics or original vehicle finish
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