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05 Vette Electric Convertible Top will go up 1/2 way , then stop. Cover will not engage to open. Then I have to wait for pressure to release & it comes back down. Any suggestions?

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  • Steve Wilson
    Steve Wilson Dec 23, 2013

    Finally had to take to dealership where a switch had to be replaced

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 14036 Answers

SOURCE: 2001 camaro convertible top will not lower. When

you could have hydralic malifunction or low fluid level.air in system or you have mechanical binding.

Posted on Jul 09, 2009

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joecoolvette
  • 5660 Answers

SOURCE: just bought 1990 Corvette convertible w/Hardtop

All I can do is suggest as my 'Vette's are older.

If my research is correct, I did find that the decklid latch mechanism is released by a cable. The cable probably has stuck in the cable sheath, due to years of neglect, (Failure to periodically lube the cable. Hint/hint)

You need to manually release the decklid mechanism.
Now bear with me, as again, my 'Vette's are older, ('70 and '76), and their seats tilt forward.

If you can tilt the passenger seat forward, perhaps you can get in there and lube this cable through it's sheath. (Use penetrating oil at first. I would then remove the cable, and clean it, then lube it, after getting the decklid open. Lube? White Lithium in a spray can)

Then try to pull the latch mechanism in the direction the cable would pull it, to release it.
(The cable may be broken?)

Yes! Whoever does this feat of magic, of getting to that decklid mechanism, will look like a contortionist! Hit the jacuzzi afterwards! lol!

Posted on Jul 14, 2009

  • 5 Answers

SOURCE: How do you get the top down on 90 convertible

To lower the top. 1) open the drivers door and under the fiberglass cover there is a lever that will release the two pins that hold the rear cover down. 2) lift up the rear window part of top and reach under again to press button that will release fiberglass cover. ( there is also a button on the passenger door which is visible with the door open.) this is a electric relay switch which will produce a clicking sound and top will come up. 3) release the two levers on the front of the cover by pulling toward you. 4) fold cover in compartment and fold levers back to folded position.

Posted on Sep 18, 2009

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07 corvette top will retract but deck lid makes no effort to close, then top will not go back up. Need to release pressure in block lift top up about 1/4 of way then top will go back up


Manually Moving the Folding Top from the Down Position
Important: Allow the system a minimum of four minutes to bleed down pressure after the last cycle.
Manually release the folding top cover latch using the emergency release cable.
Raise the folding top stowage cover.
Manually raise the folding top, holding the 5 bow up.
Manually lower and latch the folding top stowage cover.
Manually unfold the top and latch per normal procedure.

Manually Moving the Folding Top from the Up Position
Important: Allow the system a minimum of four minutes to bleed down pressure after the last cycle.
Manually release header latch per normal operation.
Manually lift front of roof off of the header and raise the #5 bow at the same time.
Manually release the Folding Top Cover latch using the emergency release cable.
Fold the roof down into the well.
Manually close and latch the folding top stowage cover.

Power Folding Top System Components
The power folding top system consists of the following components:
• Folding top control (FTC) module
• Body control module (BCM)
• Folding top control switch
• Serial data communication
• Folding top cover latch actuator
• Folding top cover pull down actuator
• Folding top pump motor with valve manifold
• Position switches and limit switches:
- Pin receiver switch
- Luggage barrier switch
- Folding top cover open switch
- Top open switch
- Top closed switch
- 5 bow raised switch
- 5 bow lowered switch
• Tonneau release relay
• TONNEAU PULL DOWN ACTUATOR Fuse 20 A
• TONNEAU RELEASE Fuse 10 A
• BATT 2 Fuse 40 A
• REAR FOG/ALDL TOP SW Fuse 10 A
• Folding top mechanical components:
- Folding top
- Folding top cover
- Folding top valve 1
- Folding top valve 2
- Folding top valve 3
- Hydraulic lines and cylinders

Folding Top Cover Latch Actuator
The power folding top system includes a folding top cover that is powered open and close by a hydraulic system that is controlled by the FTC module. A power unlatch motor is used to unlatch the folding top cover before the folding top control (FTC) module powers the top cover open. The folding top cover unlatching is requested by the FTC module via class 2 message, but is executed by the body control module (BCM). When requested, the BCM applies battery voltage through the folding top cover release relay control circuit to the tonneau release relay. The relay is energized and battery voltage is applied through the folding top cover release control circuit to the latch actuator. The actuator is energized and the latch releases the folding top cover.

The electronics on this are very complex ,

System Operation
Before any movement of the power folding top is allowed, the folding top control (FTC) module must be aware of the following conditions:
• Unlatch the header. The FTC module reads the pin receiver switch is Inactive.
• The windows must be normalized. Refer to Power Window Reinitialization.
• The ignition must be placed in Accessory or RUN.
• The transmission must be placed in PARK, or with manual transmission, the park brake must be applied.
• Trunk status must not be ajar.
• The luggage barrier must be in place.
• The pump motor temperature must be within the operating range.

After the last cycle of power folding top operation, allow the hydraulic system a minimum of 4 minutes to bleed down before attempting manual operation of the top.
Your best bet take and have it checked for DTC'S - diagnostic trouble codes .
DTC B3666 Rear Tonneau Position Error
DTC B3667 Tonneau Release Circuit
DTC B1011
DTC B1291
DTC B1420
DTC B3602
DTC B3666
DTC B3667
DTC B3670
DTC B3971

Jan 23, 2017 | 2007 Chevrolet Corvette Convertible

2 Answers

How do you open a fully automatic convertible top on a 1997 328l bmw


Release both motors, remove the plastic cover located in the middle of the top inside. Put a hex bit in your cordless drill and unscrew in reverse until the top latches are released from the top.
Then it basically takes two people to fold back the top. Unfortunately with a fully automatic top you likely won't be able to engage the tonneau so don't plan on driving on the highway.

Feb 20, 2015 | 1997 BMW 328

1 Answer

How does a manual top work on a 1998 BMW 323 I??


I believe you do this in this order. Roll windows down, release the latch at the top of the windshield, raise the front of the top, release rear cover by pulling the latch near the rear seat, Pull up the back of the top and then pull up on the rear cover. The back of the top should now fit into the opening under the rear cover. Continue to fold the top into this space. Push down on the rear cover to lock (won't be able to open trunk if not engaged.) To raise it, release rear latch cover, open rear cover and pull top out of opening. Raise rear of top so you are able to now close the rear cover, set rear of top down on cover and then pull fron of top down and engage the fraont latch. Hoe that helps.

Jan 23, 2013 | 1997 BMW 318

1 Answer

1991 corvette convertible top deck clicks / inop


I have a 1991 convertible Vette and I had a simular problem. The top would release from the deck, but only the driver's side latch would release on the deck lid. What I discovered is a small bracket that is held on by a retaining washer clip and the clip had come off. Went to the hardware store and bought a new one for $ .50 and remounted the bracket. The manual release for the deck is located behind each seat, pull towards the center of the car.

Sep 09, 2012 | 1991 Chevrolet Corvette

1 Answer

How can i get bmw 323i convertible top down manualy


If your top is electric then you will need to release the front cowl motors at the center point of the trim in front of the rear view mirror(small access plug needs to be removed and allen key inserted to drive unit.) You also need to pull the release handle under the back seat bottom(driver's side) The release handle detaches the drive units for the storage lid cover and the convertible top drive. Once the motors are released, the front of the top must be lifted approximately 6 inches and the pressure against the rear of the top will relax. raise the rear bow, open the storage lid, lower the rear bow and push the front of the top up and toward the back of the car. The top should fold into the storage area. Once in, close the storage lid until it clicks.

Feb 25, 2012 | 1997 BMW 328

1 Answer

Top worked fine yesterday but today tried to let down only clicked


It is a hydraulic pump that applies pressure to the 2 hydraulic pistons to raise & lower the top. So, check for something obstructing movement first.

The convertible top:
  • is motor-driven.
  • requires parking brake engaged to complete circuit for operation.
  • is equipped with a back window glass (42006) . The back window glass is permanently attached to the folding top back window curtain (52500) and cannot be opened.
--------------------------------------------------------------------------------------------------------------------------
VISUAL INSPECTION CHART Mechanical Electrical
  • Damaged fluid reservoir.
  • Damaged folding top hydraulic cylinders .
  • Damaged folding top motor upper and lower hose .
  • Damaged convertible top regulator.
  • Parking brake not engaged.
  • Open power distribution box circuit breaker CONV TOP (30A), fuse junction panel Fuse 1 (15A).
  • Circuitry open/shorted.
  • Damaged convertible top switch.
  • Damaged raise/lower relay .
  • Damaged folding top hydraulic lift motor and plate kit .


  • Convertible Top Does Not Raise/Lower
  • Open circuit breaker or fuse.
  • Circuitry open/shorted.
  • Damaged folding top switch.
  • Damaged raise/lower relay .
  • Damaged folding top hydraulic lift motor and plate kit .
  • Parking brake not engaged.


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Jun 29, 2011 | 1998 Ford Mustang

2 Answers

I just recently purchased a 1997 BMW 328i. I found a red strap protruding from the underside of the rear seat and pulled it. After some research, I realized it's the release arm for two cables that...


There are 2 motors that have to be put back in place one for the top & one for the top cover... If you have reconnected both & still have problems you can resynchronize the top by rolling down all windows, hold the top button in the close position before turning the key, turn the key on and wait for the windows to close & the red light to stop flashing.

If this doesn't work pull the release arm, manually lower the top, (to get into trunk the passenger side of the top cover needs weight on it to engage micro-switch to release trunk lock)

reconnect motors, hold the top button in the close position before turning the key, turn the key on and wait for the windows to close & the red light to stop flashing.

Apr 18, 2011 | 1997 BMW 328

1 Answer

Need to reset the soft top on a maserati spyder


Manual roof procedure
The procedure in the manual is just for closing the top.
A) Turn key to OFF for several seconds to bleed off hyd pressure.
B) Turn key to MAR (full electrical, but before start)
C) Remove cap on bulkhead behind the right-hand seat and use flat head screw driver to unfasten the hyd unit valve in order to relieve the oil pressure in the circuit.
D) Remove the cap on the bulkhead behind the left-hand seat and using screwdriver or allen wrench press until the top covering (panel behind roll bars that covers the convertible top well) until the panel's locks are released - you may have to tap the wrench to release the locks.
E) Lift the top covering manually and keep it open while extracting the top from its well.
F) Remove top from well until the front part is near the windshield frame.
G) Lift the rear part of top (rear window) upwards and lower the top covering until the hooks are resting on their respective locks.
H) While still keeping rear part of convertible top lifted upward press Button 1 to attach the top covering locks.
Button 1 is the forward one
Button 2 is the rear one.
I) Make sure locks are fastened. if not - try pushbutton 1 again. If necessary repeat D and H
J) Rest rear part of convertible top on top of covering.
K) At front of convertible top, open (deploy) the top's hooks by using allen wrench to turn the pin mechanism. (located in center of front headliner)
L) Press top unto windshield frame and use wrench to lock the hooks.
M) Press the rear of convertible top, so hooks on rear top insert into respective slots and press Button 2 to secure.
N) Keep Button 2 pressed until hooks properly fasten.

If the top is still tightly latched at the front, you can just start at step "G":
While holding the back of the top in the air, and the "top cover" resting down on its "hooks", press button 1 until it seats well.
Then lower the back of the top down to mate its "hooks" and press it down while holding button 2 until the top seats well.

Sep 10, 2009 | 2002 Maserati Spyder

1 Answer

How do you get the top down on 90 convertible


To lower the top. 1) open the drivers door and under the fiberglass cover there is a lever that will release the two pins that hold the rear cover down. 2) lift up the rear window part of top and reach under again to press button that will release fiberglass cover. ( there is also a button on the passenger door which is visible with the door open.) this is a electric relay switch which will produce a clicking sound and top will come up. 3) release the two levers on the front of the cover by pulling toward you. 4) fold cover in compartment and fold levers back to folded position.

Jun 20, 2009 | 1990 Chevrolet Corvette

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