20 Most Recent 2007 Chevrolet Silverado 1500 2WD - Page 6 Questions & Answers

If leaves got in to the defroster vents some how or water or dirt, That could cause that (Problem) Or the hose to the vent might of pull off a bit.

You need to check for intake vacuum leaks. Also did you have the battery disconnected before repair, if not disconnect the neg cable for 10 minutes to reset system to base settings.

in the under hood fuse box

in the under hood fuse box

which light on??? check engine light? abs light? srs light?___________actia multi-diag

Most times the engine oil is due to change or it may be someting more serious

Behind the glove box you will see a box with a plug going to it mounted in view. This electronic module controls the blender door if that is what you mean.This is called Air Temperature Actuator easily seen.Dont forget to rate my solution and leave testimonial it is how i earn my achievements Thanks in advance

It is at the bottom driver side corner an inch or two up. It is plastic and hard to open. Can be stripped very easy. I just replaced my radiator with an all aluminum unit from BeCool because of this. Will never use another plastic radiator again if I can help it!

sounds like you engaged the security system is you security lite on or flashing? if it is try the 30 minute reset turn key on and leave it on for 10 minutes turn off the key and do this again two more times without cranking the engine after the third time turn off the key for a few seconds and then start the engine your security light will be off . if this dosen't work check all of your ignition fuses