Service Bulletin
Mazda Motor of America, Inc.
7755 Irvine Center Drive
Irvine, Caiifomia 92718
Telephone (714) 727-1990
m a z o a
Category
B
Applicable Model/s
All HLA Models
Subject
HLA NOISE AFTER LONG STORAGE
Bulletin No.
005/95
Issued
3/28/95
Revised
APPLICABLE MODELS/VINS
A primary cause of HLA noise is the result of oil draining back to the crankcase during long periods of storage.
Category B of the applicable workshop manual contains diagnostic information to determine if the HLA is normal
or requires replacement. The following information will update the procedure listed in the manual.
Follow this procedure to determine if the HLA requires replacement. Instructions in the manual will be revised in
the 1996 manual.
NOTE: S ervice M anagers s h o u ld m ake a reference to th is b ulletin in the applicable w o rk s h o p m anuals.
DIAGNOSTIC PROCEDURE
1. Check engine oil and replenish if necessary.
NOTE:
If the oil is dirty or a service interval has been missed, replace the oil. Inform the customer of the need
to change oil and that this is not covered under the normal vehicle warranty.
2. Run the engine to normal operating temperature.
3. Increase the idle to 2,000 - 3,000rpm and maintain this speed until HLA noise stops or 20 minutes.
NOTE: Do n o t exceed 20 m in u tes.
Currently the workshop manual states
10
minutes, this will be revised in
the
1996
workshop manual.
W atch th e engine tem perature during th is operation. If the tem perature exceeds n o rm a l range,
reduce the engine speed to id le u n til the tem perature returns to norm al.
If the above method does not eliminate the HLA noise, the following may be the cause of the noise:
a) Low oil pressure due to clogged oil pump strainer
b) Oil pump internal problems
c) Faulty HLA
Refer to the workshop manual for additional troubleshooting information for items “a” and “b” above.
If the HLA is suspected as the cause of the noise item “c”, identify the faulty HLA and replace only those that
require replacement. Use the method below to determine which HLA requires replacement.
Insert 0.15mm feeler gauge
into the area shown in each
illustration.
Replace HLA
Internal Type
DirectType
Swing Arm Type
Make sure HLA is not compressed when measuring.
Turn cam slowly to avoid air entering HLA
IMPORTANT:
Service and Parts Managers should read this bulletin carefully, sign and convey all information to those concerned.
S ignature _
P a g e 1 o f 1
Service Manager
Signature______________________
Parts Manager
tTTTteT * U 4 2 4 2 3
Содержание 626 1989
Страница 90: ...4B OUTLINE COMPONENT LOCATION Input and Output Devices Solenoid valve VIC 76G04C 004 ...
Страница 92: ...4B OUTLINE Exhaust System ...
Страница 93: ...76G04C 007 ...
Страница 103: ... TROUBLESHOOTING WITH SST 4 B 76F04B 011 76F04B 012 Code No 08 Air flow sensor PC Possible Cause Next page 4B 17 ...
Страница 107: ... TROUBLESHOOTING WITH SST 4 B No 41 Code Solenoid valve Variable inertia control VIC PC Possible Cause 76G04C 034 ...
Страница 110: ...4 B SWITCH MONITOR FUNCTION Idle switch 76F04B 020 Blower switch 76F04 B 021 Headlight switch Rear defroster switch ...
Страница 188: ...C 49N0 17 201 Setting Plate 49N0 17 2Q2 Handle V 49N0 17 203 Stopper PAGE 2 OF 3 ...
Страница 648: ...Table IV Substantially Identical Kecovei onlv Equipment None approved as of this date ...
Страница 677: ...Number 001 94 Date Issued 2 28 94 Revised 323 PROTEGE Page 2 of 8 ...
Страница 678: ...Number 001 94 Date Issued 2 28 94 Revised MX 3 J Page 3 of 8 ...
Страница 679: ...Num ber 001 94 Date Issued 2 28 94 Revised RX 7 P age 4 of 8 ...
Страница 680: ...Number 001 94 Date Issued 2 28 94 Revised ...
Страница 681: ...Page 6 of 8 tt V ...
Страница 682: ...Number 001 94 Date Issued 2 28 94 Revised MIATA P age 7of 8 ...
Страница 683: ...Num ber 001 94 Date Issued 2 28 94 Revised NAVAJO 94 B TRUCK P age 8 of 8 ...
Страница 685: ...Number 001 94 Date Issued 2 28 94 Revised 4 28 94 Page 7of 8 ...
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Страница 697: ...Number 005 97 Date Issued 03 10 97 Revised 1989 94323 PROTEGE Page 4 of 10 ...
Страница 698: ...1995 RX 7 Page 5 of 10 ...
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Страница 700: ...Number 005 97 Date Issued 03 10 97 Revised Page 7 of 10 ...
Страница 701: ...Number 005 97 Date Issued 03 10 97 Revised Page 8 of 10 ...
Страница 702: ...Number 005 97 Date Issued 03 10 97 Revised 1990 93 B Series 1994 97 B Series Top F Bottom D Page 9 of 10 ...
Страница 703: ...Number 005 97 Date Issued 03 10 97 Revised Page 10 of 10 ...
Страница 711: ...Protege 1989 94 Protege 1995 MX 3 1992 96 RX 7 1993 96 ...
Страница 712: ......
Страница 713: ......
Страница 714: ...Millenia 1995 High Side J Low Side K ...
Страница 720: ...Figure 8 MX 6 626 A C System Figure 9 B Series A C System Pace 3 of 4 ...
Страница 721: ...Figure 12 323 Protege AtC System Page 4 of 4 ...
Страница 726: ...1 ASSEMBLY TIMING BELT TIMING BELT To que Specifications i 1 25 1 75 m kg 109 152 in tbl 1 7 2 69G D 1B160 ...
Страница 736: ...MEMO if A R FRONT SUSPENSION DOUBLE WISHBONE R 22 3 1989 B2200 B2600i Revised 5 91 New page ...
Страница 740: ...B ______________ ASSEMBLY TIMING BELT TIMING BELT 69G 01B160 B 66 ...
Страница 748: ...R FRONT SUSPENSION DOUBLE WISHBONE MEMO i 4 R 22 3 1990 02200 B2600I Revised 5 91 New page ...
Страница 762: ...R FRONT SUSPENSION DOUBLE WISHBONE MEMO 4 R 22 3 1991 B2200 B2600i Revised 5 91 New page ...
Страница 768: ... 1989 626 MX 6 50 96 Revised B 91 ...