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-   -   my 9k is having serios issues (https://saabforums.com/forum/general-auto-related-help-area-8/my-9k-having-serios-issues-1487/)

959kaero 01-30-2009 10:52 PM

my 9k is having serios issues
 
:(hi guys/gals heres the story can is vibrating something fierce up front and can be felt in the wheel seat and shifter at all speeds and when goin straight and right BUT not when accellerating while turning left...mmhhmm... after five mins of driving the drivers front wheel is hot to the touch this is my daily driver and im not going anywhere till this gets sorted so plz if you know anything or have a tips for me thank you greatly in advance

Roto 01-30-2009 11:40 PM

RE: my 9k is having serios issues
 
Is it a knocking vibration or a "smooth" vibration? Is the rim hot or the tire? Does you brake pedal pulsate when you press on it?

959kaero 01-31-2009 06:45 AM

RE: my 9k is having serios issues
 
the rim itself gets very hot the vibration is slightly nulled with heavy acceleration but more knocky as i can hear it then smooth as just feeling it and its consistant but does repeat faster at higher speeds and decrease repitition with braking.......im so confused:( and yes the vibration can be felt throuout the whole car when braking driving or accelerating

959kaero 01-31-2009 08:13 AM

RE: my 9k is having serios issues
 
bump i nd your help!!!
sticky caliper ? lose transaxle outer half? would a loose transaxle allow stress to the rotor causing the heat? would a sticky caliper only stick going straight and right and disappear during a left turn?
its 21 degrees out there so i really need some guidance before i pull it apart without knowing what the problem is or could it be something else entirely the heat at the rim makes me very suspisious of the transaxle/caliper area nut again this just started the other day as a small vibration and has grown into a major sounding, feeling problem
also if i jack the car up and try to manually spin the driverside tire should a sticky caliper present itself/ or would this only happen while its under the load of the car? plz help me!!

Benny1560 01-31-2009 09:29 AM

RE: my 9k is having serios issues
 
21 degrees? That's cold! Still, it shouldn't take too long to jack up just one side of the car and take the wheel off. I'd say do a visual inspection of the clearance from rotor to pad, pad condition, and look to see if the rotor is badly warped as well. That will at least rule out or point you in the right direction. Let us know what you find!

boostpowered 01-31-2009 09:50 AM

RE: my 9k is having serios issues
 
look at the wheel hub/bearing its common for driverside front to go out

959kaero 01-31-2009 11:11 AM

RE: my 9k is having serios issues
 
ok upon inspection the pads have a ton of life left and the rotor turns smooth and appears free of defects and straigt and true
in regards to the wheel hub um....it doesnt wiggle shimmy or move when pushed pulled or shimmied (while vehicle is jacked up) does anyone know the proper torque load for the transaxle nut ? (just to rule it out)
also what other methods are used to check the wheel bearing/hub?

Roto 01-31-2009 11:59 AM

RE: my 9k is having serios issues
 
Do you have anyone with a pyrometer by any chance? Pinpointing the hottest component would be nice. Can you try to drive around the block without using brakes after it cools down and try to see if the rotor is getting very hot or if the hub is (pull the center cap and you'd be able to tell which one is hotter.

959kaero 01-31-2009 12:24 PM

RE: my 9k is having serios issues
 
i tightened the transaxle nut to about 80ft lbs and it seems better but i have no idea at what point tight is too tight

Saab Fahrer 01-31-2009 07:50 PM

RE: my 9k is having serios issues
 
If your refering to the axle nut that goes through the wheel hub, the spec for that is 214 ft/lbs.

959kaero 01-31-2009 08:29 PM

RE: my 9k is having serios issues
 
um wow yea thats alot you sure the car wont roll before i can apply that much torque to it?^^ thank you for the info ill tighten her as close to that as i can get

Saab Fahrer 02-01-2009 09:41 AM

RE: my 9k is having serios issues
 
Yeah, thats alot. WIS actually tells you to lower the car before tightening it, so the wheel can't move. you'll just need to put the park brake on when you do it. It don't have to be exact, just real tight.

959kaero 02-01-2009 01:43 PM

RE: my 9k is having serios issues
 
ty saab fahrer



on another note 95 9k aero is bhp 225 with a calling for 214 at the hub omg whats the bhp at the tire?

boostpowered 02-02-2009 12:03 PM

RE: my 9k is having serios issues
 
http://memimage.cardomain.com/ride_i...010_medium.jpghttp://memimage.cardomain.com/ride_i...011_medium.jpg
does your cv axle shaft look anything like this?

Saab Fahrer 02-02-2009 12:25 PM

RE: my 9k is having serios issues
 
YIKES! How much boost are you running?

Roto 02-02-2009 02:24 PM

RE: my 9k is having serios issues
 
Someone needs to send a set of axles for cryotreatment :-D

boostpowered 02-02-2009 02:26 PM

RE: my 9k is having serios issues
 
16 to 19 psi ive broken 5 or 6 now its what happens when you jump the hump rally racing
ive busted a few oil filters as well because the filter sits right above the rack and they smack together on big jumps

boostpowered 02-02-2009 02:27 PM

RE: my 9k is having serios issues
 
ive got about 20 sets of axles thank god for junkyards

Roto 02-02-2009 02:28 PM

RE: my 9k is having serios issues
 
skid plate may be? :-D

boostpowered 02-02-2009 02:39 PM

RE: my 9k is having serios issues
 
ive been looking into making one out of aluminum for the off road stuff
i know i need some stiffer spings
in the spring i will be welding my lower controll arms to box them in


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