Question about 1997 Saab 900

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Electric roof on 900s convertible 96 doesn't work

Works free when i release the motors but with the switch it just doesn't go through the motion, i've got the back window lifting but then the cover won't open, been adjusting the motion sensor, still not much improvement.

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  • blindin_sy Jun 21, 2009

    hi, thanks, yeah been mucking about with it this morn and got it going spot on thanks. i only bought the car yesterday and that was one of the problems. there is another postioning sensor in the pivots by the cover, the bracket had bent slightly and hense the fault. do suppose you've ever had a problem with the gearbox not selecting reverse. its defenatly not the linkage, but just grinds as it won't fully engage.

  • blindin_sy Jun 21, 2009

    its a manual

  • blindin_sy Jun 21, 2009

    thanks, that was what i was expecting, might just pay to get it sorted.

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  • Saab Master
  • 22,246 Answers

Microswitches i think ,but where they are ??

Posted on Jun 21, 2009

  • 1 more comment 
  • Colin Stickland
    Colin Stickland Jun 21, 2009

    manual or automatic??

  • Colin Stickland
    Colin Stickland Jun 21, 2009

    try stopping engine then putting it in reverse ,if it still doesnt work then its a new gear or a pivot pin come out which means removing the gearbox to repair ,this is not difficult for grease monkey like myself but very difficult for weekend sunday mechanic

  • Colin Stickland
    Colin Stickland Jun 21, 2009

    before youi spend hard earnt cash like know what i mean ,does it drop into reverse without the engine running ??if it does then check first gear as well with engine running and turn it off and see whats its like because the clutch could worn or the disk itself distorted caused by boy racer usage and it might only need a new clutch

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1 Answer

What will cause a sunroof not to close properly on a 2007 Milan


A lot of thing's , has sensors , switches , a control module , relay's etc....
The roof opening panel is an electronically operated panel that can be opened or closed by pressing a switch located on the overhead console. It also has one-touch open, one-touch close, one-touch vent open and one-touch vent close features.

Roof Opening Panel The roof opening panel assembly uses an integrated motor and module to operate the roof opening panel. The roof opening panel motor and module are installed new as an assembly. The roof opening panel is an electronically operated glass panel that can be opened, closed or tilted by the roof opening panel switch. Actuating the switch in either a forward or rearward motion supplies a ground to the roof opening panel motor/module. The roof opening panel has one-touch open and one-touch close features that are activated when the switch is momentarily pressed to the double detent OPEN or CLOSE position. These functions are controlled by the roof opening panel motor/module.
The roof opening panel motor must be initialized whenever the roof opening panel motor has been removed from the roof opening panel system, the roof opening panel assembly has been removed from the vehicle, a new roof opening panel motor has been installed or a new roof opening panel assembly has been installed.

Plus the mechnical parts of it .

Visual Inspection Chart Mechanical Electrical
  • Roof opening panel
  • Roof opening panel frame
  • Roof opening panel drain hoses
  • Roof opening panel lifter assemblies
  • Roof opening panel trough
  • Roof opening panel air deflector assembly
  • Roof opening panel seal
  • Roof opening panel shield
  • Battery junction box (BJB) fuse 33 (20A)
  • Smart junction box (SJB) fuse 12 (7.5A)
  • Circuitry
  • Accessory delay relay
  • Roof opening panel motor and module assembly
  • Roof opening panel switch

Mar 20, 2017 | 2007 Mercury Milan

1 Answer

Sun roof won't close 2004 Ford Explorer


The roof opening panel is an electronically operated panel that can be opened or closed by the roof opening panel switch. Actuating the switch in either a forward or rearward motion supplies a ground to the roof opening panel motor. The vent and soft-stop functions are controlled by the roof opening panel motor. These positions are obtained when an internal motor cam opens the roof position switch, removing the ground from the switch. The roof opening panel has an express open feature activated when the switch is pressed momentarily. The roof opening panel is closed by continuous activation of the switch until the sunroof stops movement. This function is controlled by the roof opening panel motor.

Visual Inspection Chart Mechanical Electrical
  • Roof opening panel
  • Opening shield
  • Roof panel frame
  • Opening shield guide feet
  • Central junction box (CJB) fuses:
    • 2 (20A)
    • 29 (5A)
  • Battery junction box (BJB) fuse 1 (60A)
  • Accessory delay relay
  • Roof opening panel control switch
  • Circuitry
  • Roof opening panel motor

  • The roof opening panel does not open or close
  • Central junction box (CJB) fuse:
    • 2 (20A).
    • 29 (5A).
  • Battery junction box (BJB) fuse 1 (60A).
  • Circuitry.
  • Roof opening panel control switch.
  • Roof opening panel motor.
  • Go To Pinpoint Test E .

Do the power windows and power locks work ?

E6 CHECK VOLTAGE TO THE ROOF OPENING PANEL MOTOR - CIRCUITS 400 (LB/BK) AND 1173 (BN/OG)
  • Key in OFF position.
  • Disconnect: Roof Opening Panel Motor C920.
  • Key in ON position.
  • NOTE: Activate accessory delay relay for this check.
  • Measure the voltage between roof opening panel motor C920-4, circuit 400 (LB/BK), and ground; and between roof opening panel motor C920-7, circuit 1173 (BN/OG), and ground.
  • Are the voltages greater than 10 volts?
Yes
GO to E7 .

No
REPAIR circuit 400 (LB/BK) or circuit 1173 (BN/OG). TEST the system for normal operation. If you can't do electrical testing , there is a manual way to close it .
Roof Opening Panel Manual Operation
  1. Remove the overhead console. For additional information, refer to Overhead Console in this section.
  1. Insert a hex-head screwdriver in the center of the manual drive slot to depress the release pin. Rotate the screwdriver clockwise until the roof opening panel is closed.

Jan 13, 2017 | 2004 Ford Explorer

1 Answer

BMW Z4 convertible top opened and now wont close. Motor runs then stops. Latch is stuck and the emergency pull cord will not release. How do I get to the latch to free the top?


try a spray lubricant into the motor mechanism and grease any visable wire cables that run from/to motor ,not the electrical cables the bare wire winder cables,also grease/ lubricate any accessable pivot/hinge points , gently pull the cord and gently push the roof back and forth occasionally trying motor with a bit of patience this should get the roof moving , also look for anything that may be snagging the roof/mechanism as there is a pressure protection system to stop the roof being fully closed on say someones hand so preventing injury

May 03, 2014 | 2004 BMW Z4 Roadster

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How do I get access to my Porsche Boxster roof motor


A job for the dealer, this top is computer controlled. The system needs to be scanned with a special electronic system tool.

May 23, 2012 | 1998 Porsche Boxster

1 Answer

Saab 900s '95 - convertible roof wont release at back latches. Is there a circuit breaker or a switch to re-set?


no circuit breaker but relays and fuses for that and sometimes the electro magnet stop working too.

Jan 23, 2010 | 1996 Saab 900

1 Answer

2005 mini convertible roof wont open motors work but nothing open


check the parcel shelf has been refitted correctly as there is a micro switch on the left hand side that stops the second stage of the roof from opening

Sep 22, 2009 | 2007 Mini Cooper Convertible

1 Answer

My 96 900S Convertible won't operate, the main motor in right rear side of the trunk activates, but the bar that connects to the tonneau cover is twisted, as if the tonneau cover motors are cooked? Any...


You could check the top latch position sensor and convertible top control module....if the motors are fried replacing them is very expensive....

Aug 08, 2009 | 1996 Saab 900

1 Answer

Saab 900 96 convertible roof problem.


Try buying one of the manuals I have listed from ebay , the guy is a real gent and the manual is a fantastic help. Motros from Saab are not cheap but if the tonneau motor needs replacing, try here http://www.neobrothers.co.uk/product_info.php?products_id=724 for a reconditioned one


CD manual can be found here http://cgi.ebay.co.uk/SAAB-900-CONVERTIBLE-HOOD-REPAIR-TROUBLESHOOT-MANUAL_W0QQitemZ220365143328QQcmdZViewItemQQptZUK_CarParts_Vehicles_Manuals_Litterature_ET?hash=item334ec93d20&_trksid=p4634.c0.m14.l1262&_trkparms=|301%3A0|293%3A1|294%3A30

Apr 16, 2009 | 1996 Saab 900

1 Answer

Convertible top will not retrack


Hi Stan

First of all the roof is not even soppose to operate while the trunk is open - So there is the first problem Ive been involved with BMW's for a long time and this is the first Ive heard of a roof opening while the trunk is open. There is a built in feature that tells the car not to open the roof if the trunk is open and the other way roung while the roog lid is open the trunk cant open.

The reason the roof is not working anymore as soon as there is stress on the roof the electric motors(One operates the roof and the other operates the roof lid)  disengages, You said that the roof still worked but the lid did not so probably only the one motor disengaged. So what you have to do is open the trunk on the left hand side right behind the tail light pull away the material and simply just push the electric motor into place. that should fix your problem.

It may happen that the two motors have become out of sync, Disengage both electric motors manualy put the roof away engage the motors and that should put the roof and lid back into sync.

Beamerguy. 

Nov 08, 2008 | 1997 BMW 328

1 Answer

Convertable roof and trunk won't open


The Roof Mechanism works with two motors similiar to the ones that wund the windows. Now the two mechanism are located in the left side of the trunk. 

The trunk wont open Because of the roof lid that is not closed properly. How you can test this is to press down on the right sid of the roof lid and then try to opne the trunk.

Now the reason that this is happening is that the roof lid is not closing properly nad pressing on a small orange buttin located just below the right hand side roof lid catch. How you are going to remedy this problem is to adjust the cable tension to close more securely.

Now the two motors in the trunk that works the convertable roof can be engaged and disengaged on motor works the roof lid and the other one the roof.

You need to get these motors in sync so that they open and close the roof in the correct order.

That is if the electric are still working.

Jul 24, 2008 | 1997 BMW 328

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