Question about 1994 Chevrolet Silverado 2500

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I have a 1994 chevy extended cab my problem is 1.Dash vibration and 2.Heat A/C control unit. When starting or shutting off truck. I have a tapping noise on passenger side dash area that repeats for 15-20 times before it stops. Control face plate on control arrows cold to hot flash. I can depress off or blend button and noise stops. Tapping again starts when buttons are released. I was told this was dealer issue from parts store.

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Posted on Jan 02, 2017

duster292
  • 19 Answers

SOURCE: A/C Heater problems

the main issue with this is either the thermostat or the climate control switch I do not know if your climate control switch is electronic or manual either way I would start out with the cheapest and go with the thermostat first good luck!

Posted on Nov 22, 2008

  • 87 Answers

SOURCE: 04 Chevy Tahoe Climate control issues.

HVAC control head problem or it is the air Temp Control Valve problem. THe control head is the one with the buttons and knobs and the control vavle is located on the HVAC carrier assembly underneath dashboard (two of them one on left and one on right in center). This is a job for someone who has knowledge of HVAC and electrical on a GM vehicle.

Posted on Aug 02, 2009

jbass706
  • 167 Answers

SOURCE: 2004 Ford Freestar SE- rear rattle and vibrates

Anti-rattle hardware missing on rear brakes or worn caliper guide pins.

Posted on Oct 25, 2009

  • 244 Answers

SOURCE: drive tran prob

You have a high spot on your clutch plate...the tapping is the fly wheel passing by the clutch plate. If you're rolling and in second gear and put the clutch in your essentially simulating the same scenario as sitting still with the clutch in.

As long as the clutch is not slipping or shaking the vehicle on take off; what you're hearing is perfectly normal.

Posted on Nov 20, 2009

  • 41 Answers

SOURCE: Tapping noise near computer 1994 Chevy 1500 Silverado

air recir actuator motor shorted you can reach between blower motor and heater case and unplug a pain to replace

Posted on Nov 29, 2009

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