Question about 1998 Chevrolet Blazer

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AC/Heater blower When I turn on my ac or my heater I sometimes get a grinding type noise. It comes and goes. The air blows just fine. Do I need to replace the blower motor? How hard is it to do?

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Not hard to replace blower motor, could have something fell into the vents? check first before replacing motor

Posted on Nov 30, 2008

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What could cause a grinding noise when turning on the blower?


It is the pressure release valve on the AC unit. The system is clogged so it's creating too much pressure and tripping the valve. Hoses and possibly more needs to be checked and replaced. Probably due to a sealant being used.

Jun 15, 2014 | 2001 Jeep Grand Cherokee

1 Answer

AC Heater


It sound like the blower wheel of the blower motor is rubbing the inside of the housing (the smoke). Sounds like the blower wheel rubbing may have burned the inner plastic housing or has come off of the motor shaft inside. Take the blower motor and wheel back out and inspect everything closely I think you will find the problem.

Apr 13, 2014 | 2004 Ford F-250 Super Duty

1 Answer

Heater doesnt work


To troubleshoot this types of problem,click the link below :---
Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html

--------
Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

---------
Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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No heat on car? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

------------
Heater blows intermittently and temp gauge goes erratic?

http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

------------
Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

---------
Heater/AC blower motor not working?

http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html

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A/C, heater, defroster fan, not working? http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html Heater problem?

http://technoanswers.blogspot.in/2012/02/heater-problem-on-isuzu-trooper.html

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This will help.Thanks.

Mar 27, 2012 | 1994 Volvo 960

1 Answer

My heater is not working except on one side in my 2007 impala driver side it blows warm passenger cold


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.

------
Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

---------
Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

-----------

No heat on car? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

------------
Heater blows intermittently and temp gauge goes erratic? http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html------------Heater blows cold? http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html
---------Car heater blowing warm, but not hot air? http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html-------- Heater/AC blower motor not working?

http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html

------------
A/C, heater, defroster fan, not working? http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html Heater problem? http://technoanswers.blogspot.in/2012/02/heater-problem-on-isuzu-trooper.html---------

This will help.Thanks.

Feb 27, 2012 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

Have grinding noise in dash repeat over and over. sounds like CD trying to recycle but no CD inside and no cassette tape. it only comes on when ign switch on, no sound when key switch on access


I bet you have a leaf or leaves inside the heater blower compartment. The blower motor fan is always turning slowly even though the AC or fan is turned off to provide for ventilation. See if the grinding noise changes when you turn the AC fan on or off.

Dec 03, 2011 | 1998 Buick Park Avenue

1 Answer

Heater and ac stopped working 1996 gmc sonoma there is a clicking noise when i turn the fan low to high and also the same sound turning switch from off to different blower settings but no air comes out...


probly the switch is burnt-it happens when the blower motor gits old and draws too many amps---so replace blower at same time or else same issue again--and while u gut dashboard all apart inspect ac evaporator and heater core-theyr aging too

Oct 19, 2011 | 1996 GMC Sonoma

1 Answer

THE AC WONT BLOW OR THE HEATER


CHECK BLOWER MOTOR FUSE AND RELAY.IF BOTH GOOD.REMOVE BLOWER MOTOR HOTWIRE IT.IF DONT WORK REPLACE BLOWER MOTOR.IF BLOWER MOTOR WORKS.HEATER AND AC CONTROL SWITCH IS BAD.

Apr 30, 2010 | 2005 Chevrolet TrailBlazer

1 Answer

02 Jaguar S Type - Heater blowing cold air


Has the vehicle overheated recently, if not there is a failure of the Coolant from engine valve controller, that measures flow through the Heater Matrix. Come back with more, as necessary.
Regards,DT

Aug 29, 2009 | 2003 Jaguar S-Type

1 Answer

1998 BMW 328i heater/AC blower is not running


You have clean the blower unit , may be its dirty then . and then check the blower resistor unit for malfunction.

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1 Answer

1998 Isuzu Rodeo is having issues.


check to see if AC and HEATER blower motor is getting power .if yes replace blower motor.if no you have problems in relay- fuse- or ac and heater switch is bad.for sun roof check for power at switch if yes sun roof eletric motor need replace.or sun roof in a bind.if no power to sun roof switch.blowed fuses and bulbs or turn signal switch is bad.

Jun 21, 2009 | 1998 Isuzu Rodeo

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