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Page Hits: 4619127
NOTICE No: MT000002653
MODEL: Mazda MPV YEAR: 1989-1997
AFFECTED VINs: Lower than JM3 LV5*** V0 819805
SUBJECT: Cylinder head cracking
DETAILS:

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

Repair Procedure

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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