Question about 1988 Mazda RX-7

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Rx7 convertible top is inop and the overide is also not working

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Can someone tell me exactly where in the trunk is the bypass valve is? Looked in my trunk for 30min and couldn't find anything.

Posted on Mar 12, 2017

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Posted on Jan 02, 2017

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SOURCE: convertable top not working

Open the pump bypass valve for the top to manually open/close top. Bypass valve is located in trunk on left; remove round 2" cover and turn the exposed valve anti-clockwise.
Problem of motor not moving top is likely low on pump oil. Remove cover on left in trunk and refill slowly after removing the fill plug on top of pump. Use 10w30 oil.

Posted on Jun 16, 2010

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SOURCE: top will not go up

apply 12 volts to the top motors independantly after you check fuses of course.. see if the motors are bad. they usually go out at the same time.. not too bad to replace.

Posted on Jul 21, 2009

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Just check vacum valve adjust guide in the Mazda RX7 GX Repair Guide Manual available at:

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1 Answer

Convertable top not working motor is running but does not seem strong enough is there a way to overide the motor and open and close top manually


Open the pump bypass valve for the top to manually open/close top. Bypass valve is located in trunk on left; remove round 2" cover and turn the exposed valve anti-clockwise.
Problem of motor not moving top is likely low on pump oil. Remove cover on left in trunk and refill slowly after removing the fill plug on top of pump. Use 10w30 oil.

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1 Answer

I have a 2005 PT Cruiser. The convertible top was down. When I went to put it back up, I had no power. The fuse was fine. I bled the pressure off the cylinders and manually put the top up. The wondows on...


HYDRAULIC PUMP/MOTOR ASSEMBLY Any diagnosis of the power top system should begin with the use of a scan tool and the proper Diagnostic Procedures Information. The scan tool can provide confirmation that the Controller Area Network (CAN) data bus is functional, that all of the electronic modules are sending and receiving the proper messages on the CAN data bus, and that the power top motor is being sent the proper hard wired output by the driver window regulator module.


NOTE: The convertible top system is equipped with a hydraulic bypass screw that is used to relieve pressure from the hydraulic system in the event that the top must be manually raised or lowered (such as a low battery or a convertible top operating concern). Always verify that the bypass screw is tight in the pump housing prior to replacing a hydraulic pump/motor assembly (Refer to 23 - Body/Convertible Top - Standard Procedure). If the power top is completely inoperative and the hydraulic pump/motor assembly is suspect, perform the following:

(Refer to 23 - Body/Seats/SEAT BACK - Removal).(Refer to 23 - Body/Convertible Top/ASSEMBLY, Hydraulic - Removal). If not OK, use a scan tool and the proper Diagnostic Procedures Information to complete diagnosis of the power top system.

On convertible vehicles, the convertible top switch is hard wired to both window regulator modules by the Power Top Switch Mux circuit. When a top operation input is received by the driver window module, it will ground the respective relay control circuit which in turn will operate the motor. If the convertible top switch is pressed and held to the down position second detent, it will command both modules to drop all windows to the fully down position. The windows cannot be raised when the convertible top switch is in the top down position. When the switch is held in the top up position and all four windows are fully up, the modules will lower the respective front window 40 mm (1.6 in), lower the respective rear window approximately 55 mm (2 in) and the driver window module will ground the top up relay control circuit. Once the top is back up the windows will not raise automatically.

Your missing that you don't have a clue on how the electronic's on your vehicle work . Your best bet , take it to a qualified repair shop . Your trying to fix something you have no clue on how it works , going at it blind .

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1 Answer

Convertible top won't go down on my 1998 bmw 323ic


Sounds like the sensor has faulted or the pump has become disengaged. Usually when the light is flashing it's a sensor. You can check for a pinched line or low fluid also. There is a manual lock overide procedure to get the windows up, it's in you owners manual.
Good luck...i hope this helps,

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2 Answers

Top will not go up


apply 12 volts to the top motors independantly after you check fuses of course.. see if the motors are bad. they usually go out at the same time.. not too bad to replace.

May 26, 2009 | 1991 Mazda RX-7

5 Answers

Motor


Yes it does, that is the only engine option.

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