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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.


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Old 10-20-2009, 01:49 PM   #1
rx4ur7
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Default 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..
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