3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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Authorized Modification Sticker '95

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Old 08-12-22, 09:19 PM
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Authorized Modification Sticker '95

Hey - new owner as of today - '94 Rx7 NU PEP 45K miles stock. Very interested to know what 'campaign' this sticker means if anyone has an idea? I could call the dealer but figured I'd try here first.


Old 08-13-22, 09:37 AM
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60504 was the fuel recall
Old 08-13-22, 10:11 AM
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From https://www.rx7.org/public/3RD.html

26. FUEL LEAKAGE RECALL - ENGINE FIRES
CAMPAIGN #60504

The problem is that fuel lines become brittle because of excessive
engine compartment temperatures. Eventually, they leak fuel and the
car catches fire. The recall involves replacing the fuel lines with
a different material and adding a fan control relay which runs the
cooling fan for 10 minutes after the engine is shut off.

Affects:
All 1993 RX-7 models manufactured beginning December 1, 1991
and 1994 RX-7 models manufactured through September, 1994.

VINs affected:
JM1FD33**P0200001 - JM1FD33**R0303550

Total number of affected vehicles: 13,400
Repair Time: 3.8 hours

Install Part Nos.
N3A1-18-SE0 Fan Control Kit
N3A1-13-S70 Fuel Hose Kit

The following is a portion of a letter from the Vice President of Mazda
North America to the NHTSA dated March 30, 1995:

Mazda first learned of an engine compartment fire in an RX-7 which had the
recall remedy conducted in November, 1994. In January, 1995, Mazda engineers
investigated seven RX-7 engine fires in the United States and in the same month,
NHTSA's information request on the completion rate for the on-going safety recall
campaign was issued.

Mazda submitted a partial response on February 8, 1995 and a complete response on
February 22, 1995 in which Mazda reported that it knew of 18 fire cases in which
investigations in the U.S. found evidence of fuel seepage from the fuel hoses on
those vehicles.

In order to identify the cause of the fuel seepage, thorough investigations and
analyses have been conducted. In March, 1995, Mazda identified the cause of fuel
seepage and reported it to NHTSA on March 22, 1995. Mazda concluded on
March 24, 1995 that a defect existed and that a recall was required.

Mazda Motor Corporation will notify all subject vehicle owners by letter and
will install an additional control unit for the electric cooling fan. The fan activates
after the engine is turned off when the coolant exceeds a specified temperature.
Mazda will also replace the fuel hoses with modified hoses in all these vehicles without
charge.

Sincerely yours,

Shintaro Nakatsuka Vice President and General Manager



And this:

The following is the text of the recall letter which should be going out to
owners in May 1995:

1993 and 1994 RX-7 Fuel Leakage [Recall Campaign #60504]

Dear Mazda Owner:

This notice is sent to you in accordance with the requirements of the National
Traffic and Motor Vehicle Safety Act.

Mazda Motor Corporation has determined that a defect which relates to motor
vehicle safety exists in certain 1993 and 1994 Mazda RX-7 models.

If an RX-7 is driven under severe conditions (e.g. high speed and uphill
driving), and the engine is turned off, the temperature of the engine compartment
rises due to the residual engine heat. This condition may cause premature
deterioration of the fuel hoses' elasticity. Repeated vehicle operation in this
manner may lead to a reduction in the sealing performance of the fuel hoses
and in rare cases can result in engine compartment fires.

We have made arrangements for you to have the engine fuel hoses replaced
and the engine cooling fan control system modified, free of charge, at an
authorized Mazda dealer. The necessary work takes approximately three hours to
perform. To minimize your inconvenience, we recommend that you schedule an
appointment with a Mazda dealer to have this work performed.

If you have moved or no longer own the vehicle, please complete the enclosed
Change of Address/Ownership pre-paid postcard as soon as possible. This
enables us to update our records and notify the current owner, if necessary.

Please note the following change in the operation of the cooling fan after the
recall repair is performed:

Once the engine coolant exceeds a preset temperature, the cooling fan will come
on and continue running for about 10 minutes after the ignition switch is turned off.
Before the service, the cooling fan would stop when the ignition switch was turned off.

Should you have any questions regarding this program, please contact our
Customer Relations toll-free number (800) 222-5500.

If your dealer or distributor does not remedy this defect without charge and/or
within a reasonable amount of time, you may wish to notify the Administrator,
NHTSA, Washington, DC 20590 or you can call their toll-free Auto Safety Hotline at
(800) 424-9393. (Residents of Washington, DC may call 366-0123).

Our goal at Mazda is to build and maintain only the highest quality products.
Please accept our apologies for any inconvenience this program may cause you.

Sincerely,

MAZDA MOTOR OF AMERICA, INC.


Old 08-13-22, 11:33 AM
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Ok thank you very much! I wanted to make some updates to address preventative overheating and looking at the Pettit Racing fan, sounds like the recall fix good enough if I’m trying to keep stock as much as possible
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