Why is heat felt at the front center vents

Why is heat felt at the front center vents 1 Answer

Heat or a/c on-only blows out window defroster vents, none of the other vents. ??? 4 Answers

What part controls which vents the hot or cold air flows through? Only comes through window defroster vents.

Can't get the AC or heat to blow out in my 1995 Buick Riviera. 3 Answers

I bought my 95 Riviera back in April of this year. When I bought it, the AC and heat worked great. The AC blew out really good and was really cold. The heat work awesome too. Then one day a few week l...

I have a Buick Riviera supercharged where is the balance shaft located at 2 Answers

my car is making a knocking noise

So recently I picked up a 1997 Buick Riviera and it is in great shape. The issue that I have is that the I/P does not light up at night. How do I reach the Control Module, and where is it located? 2 Answers

I bought the Dimmer switch control module from an auto shop and im looking to switch it out with the current one. I have both of the Serivce Repair manuals but they are basically in chinese to my ey...