Mazda 626 1989 Workshop Manual page 196

Service Bulletin
v v l * ' v v
Category
Applicable Model/s
1
DESCRIPTION
If the following conditions occur on the 1988-1989 626/M X -6 with low mileage (less than 3,000 miles),
the cylinder head may have a crack around the intake valve guide, allowing engine oil to penetrate into
the combustion chambcr. If necessary, remove the cylinder head and inspect it.
CUSTOM ER'S COMMENTS:
1. Rough idle, all the time.
2. Black/Blue smoke emitted from exhaust pipe.
PROBLEM CONDITIONS:
1. Spark plugs are fouled with oil and fuel.
2. Oil level is low.
A modification has been introduced in produc­
tion since March 1989. In connection with that
modification, clips have been installed on the
inlet valve guides.
VIN OF PRODUCTION CHANGE
■ 1988-1989 626/M X -6 [Vehicles manufactured in Japan]
J M 1 G D * * ^ K 1 7 5 3 7 1 1
■ 1989 M X-6 [Vehicles manufactured in the U .S .A .]
1YVG D31C 6K 5239856
PARTS INFORMATION
NEW
F201 10 100E
F 220 10 100E
0 1 5 9 9 9
I IM PO R TA N T
Signature_______________________________
W U I I S I I I I
Subject
1988-1989
626/M X -6
March, 1989
April 13, 1989
PART NUM BER
OLD
F201 10 100D
F220 10 100D
Service and Paris Managers should read this bulletin carefully, sign and convey all information to those concerned.
Service Manager
.*.
m m o w
77SS Irvine Center Drive
Irvine, California 92718
Telephone (714) 727-1990
CYLINDER HEAD
DESCRIPTION
Cylinder Head
Cylinder Head
Signature
Parts Manager
m g y n g
■ ■
041/89
Bulletin No.
Issued 9/27/89
Revised
INTERCHANGEABILITY
NEW— ► O L D
N E W -* - OLD