Question about 1985 Porsche 944

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1985 porsche speedo problem

I pulled out speedo can spin the input shaft and speedo moves. but i noticed shaft inside cable didn't spin when i moved car with speedo out.

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Check speedo cable connection at left front wheel bearing cap

Posted on Jul 30, 2009


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Sorry you will have to remove the swaybar

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brown is ground, i do know that for sure.

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SOURCE: 1985 Porsche 944 - Fans on radiator will not work

we will usually check fuses and relays first. then put power directly to the fans and see if they power on. this will narrow down your problem

Posted on Apr 12, 2010

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Speedometer bounces when I drive. It seems to be the output sensor when I look at it while its running and in gear the output part is not spinning. I cant find the part

Spinning? This is an electronic magnetic sensor so it has no moving parts. If this is an older car with a cable operated speedo I would not call the output section a sensor, but rather the cable drive. A broken cable can make the speedo bounce, and if you disconnect the cable to look at the end of the drive unit you may be looking at a cable input guide which does not move vs. the internal part which spins. With cable removed, spin the inner part by fingers while helper views speedo. Does it move (try both directions). If cable is broken you can buy a universal repair kit.

Jul 02, 2015 | Cars & Trucks

1 Answer

I have a 1991 GMC topkick and the speedometer is stuck on 40 mph

Under your truck a the side of the transmission you will see a cable that goes into it. . the cable has a cap screw or a little fork with a bolt holding it in. remove cap or fork then pull out speedo unit and you will see a cable with a square at the end . With your fingers spin it and see if the cable spins freely, if so have a helper look at the speedo and see if the needle is moving when you spin. If not your cable is broken or stuck.If it does not spin stuck, lube it. if it spins but the speedo does not move replace the cable. Hope this helps. MIkel

Feb 01, 2015 | GMC Cars & Trucks

2 Answers

Speedometer quit working

this is normal for all cars. this old, !
what is your question. most Geo speedos die at 150k miles.
you forgot to say, did odometer die too? big time error that...
for any accurate answers.

my guess, is , you are asking how to diagnose the speedo,
ok pull the cable at tranny, and spin it by hand (or drill) in the same
direction as the needle moves, in dash.
mine is CCW direction
so spin it in CCW dir. and see if the needle moves up scale.
if not , maybe the cable is snapped, inside.
so pull the cable out. is it snapped?
if not the head is bad, if both the speedo and odometer
are dead,
here is one page showing how to do that.
if both are dead , it can only be 3 things.
3: tranny gears x2 bad,one or both stripped, (plastic gears)
the test is easy, spin it from down under. and look.
do not pull the cable down under or the cable will disengage the head, and slip (simple sqaure drive it is)
gettting the head out is another long story.

Jun 13, 2013 | 1994 Geo Metro

1 Answer

Speedometer on 82 chevy scottsdale not working

Check the transmission where the speedo cable goes into. It's located at the back of the trans. Removed the small cable retainer bolt and pull the cable out. See if the gear is broken. If it's not broken, have an assistant watch the speedometer in the truck and spin the gear at the end of the cable by hand as quick as you can and see if the assistant see if the speedo moves. If it doesn't move, replace the cable. It's most likely broken inside the housing or where it attaches to the back of the speedometer.

Mar 10, 2013 | Cars & Trucks

1 Answer

Steering wheel wont move on a porsche boxter 1999

It should move in and out (it pulls out and pushes in) It doesn't move up and down. Reply back if it won't do either.

Dec 20, 2012 | 1999 Porsche Boxster

1 Answer

I have 1993 jeep grand cherokee spedometor stopped working and rpms are high and fuel consumption is poor

Time for a tune-up! Need to have it diagnosed thoroughly. Likely your speedometer not working is not related, though. I know on the older models the speedo was operated by a cable from transmission up to behind the dash panel. They can break inside the sheath that covers the cable. Pretty simple fix-but you may need to pull out your instrument panel slightly to reach behind and unclip the end of the cable from the speedo. First, unhook end from transmission, grab end of cable and twirl it: someone inside the car can see if the speedo needle moves slightly when you twirl it. If it DOES move your speedo in the dash may need replacing. If it doesn't move, your cable is likely broke. Just get another from a salvage yard.

Oct 06, 2011 | 1993 Jeep Grand Cherokee

1 Answer

Need speeddominar repair It does not work

The speedo drive is in the gearbox at the back, take off the cable and check the inner cable for breakage, spin the cable by hand rather quickly look at the speedo if it moves its the drive in the gearbox, if not its the speedo clock. To check the drive, take the drive out of the gear box, held in with one 10mm bolt, check for ware, if this is worn you can replace it but the problem is the gearbox lay-shaft it worn and the problem will re occur in a few months.

Mar 20, 2011 | 1999 Ford Escort

1 Answer

1994 standard transmission Toyota pickup truck speedometer, and odometer stopped working. How do I fix it.

There is a cable that runs from the back of the transmission to back of dash.Undo cable at trans end.Spin the inner wire with cordless drill,speedo should move,if not replace speedo cable.Some cables u can pull inside wire from trans end,so don't have to mess with dash

Jan 24, 2011 | 1994 Toyota Pickup

2 Answers

1985 944 porsche speedometer stop working

There is a gear in the speedo that breaks. This is plastic gear on a metal shaft. The last fix I did was to remove speedo and open it up. I super glued the cracked gear to the shaft because I was unable to find a new one. It worked again with no future problems. I hope this helps.

Jan 30, 2009 | 1985 Porsche 944

1 Answer

Speedometer not working on 2000 toyota celica

if i were you disconnect speedo cable both ends sit some one in car to see if cable is internally turning? if so good! now take small hex key spin speedo cluster to see if it moves speedometer arm if so put it back together and replace speed sensor usually located at speedo cable input at transmission have a great day!John

Jan 11, 2009 | 2000 Toyota Celica

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