Question about 1999 GMC Sierra 3500
There is 1 or 2 vac solenoid on driverside rear of valve cover.
if there is only one then that one connects to the vac pump and wastegate actuator on turbo. if two vac solenoids,then other one goes to EGR valve on intake cover.
Posted on Jul 12, 2008
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Aug 04, 2013 | 1993 GMC Sierra K1500
Jan 15, 2013 | 2008 GMC Sierra 1500
Nov 18, 2011 | Cars & Trucks
Apr 01, 2011 | 2004 Porsche Cayenne
Mar 22, 2011 | 2003 Chrysler PT Cruiser
Nov 16, 2009 | 2001 Volkswagen Passat
May 21, 2009 | 1997 Audi A4
195 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: