I cant find out what the hell this thing is or were it goes to

please help! lol

 

It is JUNK. Block it off.

 

lol that doesnt help!

what does it go to??

 

can anybody tell me??

 

looks like the sub-zero assist. do you have a bottle on the passenger side of the firewall, that would be where the fluid goes.

 

Sub-zero assist valve.

There are a couple TSBs stating that it doesn't work, and should be removed.

Service Bulletin Number: C5-018/88
Bulletin Sequence Number: 081
Date of Bulletin: 8810
NHTSA Item Number: SB004773
Make: MAZDA
Model: RX7
Year: 1988
Component: ELECTRICAL SYSTEM:IGNITION:OTHER PART
Summary: HARD START WITH COLD ENGINE CORRECTIVE ACTION IF COMPLAINS
OF HARD STARTING IN COLD
WEATHER: RESTARTING AFTER
SHORT DISTANCE DRIVING AND AFTER MOVING FROM GARAGE, STOPPING ENGINE
THEN RESTARTING-CHANGE
SPARK PLUG TO NEW AIR GAP
TYPE-DISCONNECT SUB ZERO STARING ASSIST DEVICE (IF EQUIPPED)-ALL 1986
TO 1988 MAZDA RX7 MODELS TLH


TSB: # F00590 JUN 90 Sub Zero Starting Assist Device - Discontinued

 

that hard line coming off should be capped shouldn't it, otherwise it's a vacuum leak?

 

With the vacuum source hooked up on the right-hand side, you could get a vacuum leak from the coolant hard line. The valve would have to be activated though.