CPU water leak recall, horn, turn signals, warning system

rx4ur7 · 10-20-2009, 01:49 PM

I would think this is old news. I thought I saw a post that was relating to this issue.
RECALL #031/86 10/3/86
CPU Damage from Water Leak

Some early RX7's have had CPU damage caused by water leakage. Symptoms include:

erratic or no horn
erratic turn signal and emergency light operation
erratic or no 'beep' warning signals

Leakage occurs around a metal flange (upper left inner body under left fender)
Fix from Mazda:more sealant applied to area during production and protective coating added to inside of CPU.
Field fix; sealant applied to area, replace CPU if damaged beyond cleaning.

I have had to repair a few of these, I would think they have all been taken care of by now. Need to check CPU and fuse block for water damage also.

SecondGenPat · 10-20-2009, 05:02 PM

Is this area by the drivers door jamb where the door hinges mount? That's the only body rust spot I have and I am also experiencing the same issues.
Thanks

rx4ur7 · 10-21-2009, 01:02 PM

Yes, up and forward of the top hinge. On the guys I did you could see where it was by using a light from the outside then looking up inside.
Page 105 Service Bulletin 1986 book. 9999-95-008N-87

10-20-2009, 01:49 PM	#1
rx4ur7 Rotary since 1972 Join Date: Nov 2008 Location: Tucson Posts: 231 Rep Power: 17	CPU water leak recall, horn, turn signals, warning system I would think this is old news. I thought I saw a post that was relating to this issue. RECALL #031/86 10/3/86 CPU Damage from Water Leak Some early RX7's have had CPU damage caused by water leakage. Symptoms include: erratic or no horn erratic turn signal and emergency light operation erratic or no 'beep' warning signals Leakage occurs around a metal flange (upper left inner body under left fender) Fix from Mazda:more sealant applied to area during production and protective coating added to inside of CPU. Field fix; sealant applied to area, replace CPU if damaged beyond cleaning. I have had to repair a few of these, I would think they have all been taken care of by now. Need to check CPU and fuse block for water damage also. Last edited by rx4ur7; 10-21-2009 at 01:04 PM.

10-20-2009, 05:02 PM	#2
SecondGenPat Start a Revolution Join Date: Feb 2009 Location: Park Ridge, NJ Posts: 29 Rep Power: 0	Is this area by the drivers door jamb where the door hinges mount? That's the only body rust spot I have and I am also experiencing the same issues. Thanks __________________ That to secure these rights, Governments are instituted among Men, deriving their just powers from the consent of the governed, — That whenever any Form of Government becomes destructive of these ends, it is the Right of the People to alter or to abolish it, and to institute new Government -The United Stated Declaration of Independence

10-21-2009, 01:02 PM	#3
rx4ur7 Rotary since 1972 Join Date: Nov 2008 Location: Tucson Posts: 231 Rep Power: 17	Yes, up and forward of the top hinge. On the guys I did you could see where it was by using a light from the outside then looking up inside. Page 105 Service Bulletin 1986 book. 9999-95-008N-87 Last edited by rx4ur7; 10-21-2009 at 01:05 PM.