|NOTICE No: MT000002653
|MODEL: Mazda MPV
|AFFECTED VINs: Lower than JM3 LV5*** V0 819805
|SUBJECT: Cylinder head cracking
Symptoms and Conditions
Oil consumption, smoke from exhaust, rough idle, or engine overheating may be
symptoms of a crack in the cylinder head.
Cylinder head cracks may be found at, but not limited to, various locations
on the head.
- Above center spark plug recess.
- #2 cylinder valve guide.
- Right head # cylinder area.
- Left #2 plug/bottom of F/cam tower
- Top between 2nd and 3rd cam boss.
- Left #2 intake runners.
- #3 valve guide area.
- Left head below cam journal #2 cyl.
- Left head/left rear corner.
Note: These cracks are very difficult to detect by conventional
methods. If the spark plug is fouled or there is excessive smoke from the
exhaust, a cracked head maybe the cause. Actions have been taken to strengthen
the cylinder head for 000200 :Y
Replace cylinder head with modified part (P/N JE06-10-100F).
- CONSUMER NOTICE:
- The information and instructions in this notice are intended for
use by skilled technicians. Mazda technicians utilize the proper
tools/equipment and take training to correctly and safely maintain
Mazda vehicles. These instructions should not be performed by
"do-it-yourselfers." Consumers should not assume this
notice applies to their vehicle or that their vehicle will develop
the described concern. To determine if the information applies,
consumers should contact their nearest authorized Mazda dealership.
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