2002 Chevrolet Suburban-Mode Actuator Cycles Between Vent & Defrost

SDixon: I had an issue with my vehicle back in August. I replaced the battery, upon new battery being installed the delivery mode actuator would cycle between defrost and vent every few seconds. I was going on vacation so had a local mechanic look at it. He informed me that the actuator was bad. I had … Continue reading “2002 Chevrolet Suburban-Mode Actuator Cycles Between Vent & Defrost”

1999 Chevrolet Suburban, Replacing Instrument Cluster & HVAC Illumination Bulbs

This 1999 Chevrolet Suburban came in with the complaint that most of the instrument cluster. Also the  HVAC control head panel illumination bulbs do not work. Since a couple of them did work, I did not have to worry about fuses and switches being the problem. Just blown bulbs. Disassembly starts with grasping the edges … Continue reading “1999 Chevrolet Suburban, Replacing Instrument Cluster & HVAC Illumination Bulbs”

2002 Chevrolet Suburban, Changing The Alternator

This 2002 Chevrolet Suburban came in with the battery light on and the system voltage at 12 volts. In talking with the customer, I found out that the battery light had been coming on and going off for a bout a week. Yesterday the battery went dead while driving. I was pretty sure just from … Continue reading “2002 Chevrolet Suburban, Changing The Alternator”

2000 Chevrolet Suburban, Instrument Cluster Does Not Work

This 2000 Chevrolet Suburban came in with the complaint that the instrument cluster does not work. I checked communication with my Tech 2 scan tool and found a communication problem with most modules. Including the instrument cluster. Since my scan tool would power up, I knew that I had power to the DCL and at … Continue reading “2000 Chevrolet Suburban, Instrument Cluster Does Not Work”

2005 Chevrolet Suburban Instrument Cluster Does Not Work

This 2005 Chevrolet Suburban came in with the complaint that the instrument cluster gauges do not work. I asked the customer how the problem had started and he told me that the speedometer has been acting up for a while. Recently all of the gauges stopped working at the same time. I connected my Tech … Continue reading “2005 Chevrolet Suburban Instrument Cluster Does Not Work”

2003 Chevrolet Suburban, No Blower Speeds 2 and 4

This  2003 Chevrolet Suburban came in with the complaint that the blower had lost speeds number 2 and 4. The customer was very concerned that the other speeds would soon fail too. This Chevy Suburban has manual HVAC controls so it uses a blower resistor assembly. Make sure the ignition remains off and remove the … Continue reading “2003 Chevrolet Suburban, No Blower Speeds 2 and 4”

1999 Chevrolet Suburban, Erratic Speedometer Caused by Burnt Battery Terminal

This 1999 Chevrolet Suburban came in with the complaint of an erratic speedometer. I have seen this problem before, so I went straight to the positive battery cable connections. This is what I found. At first the cables look a little corroded but not too bad. A closer look shows heavy corrosion on the terminal … Continue reading “1999 Chevrolet Suburban, Erratic Speedometer Caused by Burnt Battery Terminal”

2002 Chevrolet Suburban, Radio Fuse Blows

This 2002 Chevrolet Suburban came in with the complaint that the radio fuse would blow. The fuse is in the driver’s side interior fuse box. I installed a new fuse and sure enough it blew when I switched the ignition on. I checked my wiring diagrams and found on this particular vehicle there was only … Continue reading “2002 Chevrolet Suburban, Radio Fuse Blows”

1997 Chevrolet Suburban, Cruise Control Inop

This 1997 Chevrolet Suburban came in with the complaint that the cruise would work sometimes. This repair applies to multiple Chevrolet and GMC trucks and vans that use the cruise servo number 25315088, gasoline only, no diesels. For a list of these vehicles please go to the ACDelco website and you will find a tab … Continue reading “1997 Chevrolet Suburban, Cruise Control Inop”

1999 Chevrolet Suburban No Crank Condition

A good customer called and said that on the way to work the security light came on in the dash and when he got to work the engine would no longer crank up. I suggested the normal check the battery cables, try cranking it in neutral instead of park, tilt the steering column up and … Continue reading “1999 Chevrolet Suburban No Crank Condition”