Question about 1990 Geo Prizm

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1990 Geo Prizm sounds like a knocking sound under power coming from around the front hub. when i release the accelerator the noise disappears. what is this mysterious issue.

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  • Geo Master
  • 75,235 Answers

This noise is caused by a worn or damaged front drive axle Constant Velocity Joint (CV for short), there is one of them at each front wheel just behind the brake disk on the end of the drive axle, they have a rubber cone shaped grease boot over the joint, check to see if the grease boot is torn, the joint then runs dry of grease and makes noise, at that point it must be replaced. Have a shop put in the air and inspect them both.

Posted on Oct 29, 2012

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Posted on Jan 02, 2017

bryant329
  • 125 Answers

SOURCE: 1996 geo prizm

you'll have to pull off the interior panel. window in the up position. on the lock cylinder there is a clip that you have to pull off and an arm that actuates the lock. pop the lock out. reverse to install.

Posted on Sep 22, 2008

  • 9 Answers

SOURCE: 1990 geo Prizm fuse location for the heater blower

the heater blower motor is run through two fuses. the gauge fuse in fuse block 1 and the ac fuse in fuse block 4.

Posted on Oct 07, 2008

  • 142 Answers

SOURCE: 1994 GEO Prizm Fuel Guage

You need to replace your fuel sending unit. It is located inside of the gas tank.
Please remember to rate this solution.

Posted on Feb 12, 2009

  • 1986 Answers

SOURCE: location of fuel pump relay on a 1990 Geo Prizm

under the hood in a fusebox near the firewall

Posted on Sep 10, 2009

Molson02536
  • 3854 Answers

SOURCE: geo prizm stereo radio wiring diagram

1994 Geo Car Stereo Wiring Schematic
Car Radio Battery Constant 12v+ Wire: White
Car Radio Accessory Switched 12v+ Wire: White/Black
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Yellow
Car Stereo Dimmer Wire: Red/Green
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): White
Left Front Speaker Negative Wire (-): Black/Blue
Right Front Speaker Positive Wire (+): Blue
Right Front Speaker Negative Wire (-): White/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Light Green/Black
Right Rear Speaker Positive Wire (+): Gray
Right Rear Speaker Negative Wire (-): Gray/Black

Posted on Dec 23, 2009

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