SA-058-20a

Service Alert
Mazda North American Operations
Irvine, CA 92618-2922
Subject:
NEW CYLINDER HEAD ASSEMBLY ESTABLISHED
Service Alert No.: SA-058/20
Last Issued: 08/05/2020
BULLETIN NOTES
This service alert supersedes the previously issued service alert listed below. The changes are noted in
Red text.
Previous TSBs: Date(s) Issued:
SA-058/20
7/24/20
APPLICABLE MODEL(S)/VINS
2018-2020 CX-5 (US spec)
2018-2020 Mazda6 (US spec)
2019-2020 Mazda3 (US spec)
DESCRIPTION
A new cylinder head assembly for service parts has been newly established for SKYACTIV-G 2.5 with
cylinder deactivation when replacement is needed. Valves, valve springs, valve spring seats, and cotters
(IN/EX) are included in the new assembly.
NOTE: Cylinder head replacement requires MASH authorization.
Keywords: motor oil leaking, engine oil leaking, oil seeping, H
REPAIR PROCEDURE
Several videos have been created to aid with the cylinder head replacement.
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Timing Chain Replacement
Colored Timing Chain Links
Camshaft Inspection
Cylinder Inspection
Bolt Hole Prep
SHLA Installation
SHLA Installation - Correct vs Incorrect
Page 1 of 3
CONSUMER NOTICE: The information and instructions in this bulletin 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.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
08/12/2020 10:15 AM tlawrenc
Service Alert No.: SA-058/20
Last Issued: 08/05/2020
PARTS INFORMATION
Required parts for cylinder head replacement:
NOTE: Cylinder head replacement requires MASH authorization.
Parts Number
Description
Qty.
0000-99-SCX5 Head Set Kit, Cylinder
1
NOTE (Information only - DO NOT order): P/N0000-99-SCX5above includes the following parts.
Parts Number
Description
Qty.
PYY4-10-SJ0
Head Set, Cylinder
1
8PY3-10-271A
Gasket Set
1
PYFA-15-169A
Water Outlet Gasket
1
ZZC0-10-135
Head Bolts
10
ZJ01-10-243
Front Cover Sealing Washer
1
PY01-13-460A
Exhaust Manifold Gasket
1
PE23-40-305
Exhaust Pipe Gasket 2WD/4WD
1
PYFA-13-256 Fuel Injector Spacer/Retaining Clip
4
NOTE: PYY4-10-SJ0 includes the following parts.
Description
Head, Cylinder (Older Assembly)
Cotter, Valve
Seat, Valve SPG-UP
Spring, Valve
Spring, Outer-EX Valve
Valve, Inlet
Valve, Exhaust
Page 2 of 3
CONSUMER NOTICE: The information and instructions in this bulletin 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.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
08/12/2020 10:15 AM tlawrenc
Service Alert No.: SA-058/20
Last Issued: 08/05/2020
WARRANTY INFORMATION
Warranty Type
A
Symptom Code
76
Damage Code
9B
PYY4-10SJ0
Part Number Main Cause
Quantity
1
Operation Number / Labor Hours:
B0402ARX
/ (listed
time in
Warranty
Wizard)
B0402XRT
/ 0.5 hrs
(actual
time)
NOTE: DO NOT USE the cylinder head replacement labor time listed in Warranty Wizard. That labor
time is for a bare head and includes time to swap parts from the original head to the new head.
Page 3 of 3
CONSUMER NOTICE: The information and instructions in this bulletin 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.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
08/12/2020 10:15 AM tlawrenc