Exhaust is close to the firewall, intake is close to the radiator , here’s a how to thread with part number’s

https://www.chevyhhr.net/forums/how-...13-14-a-28779/

 

In layman’s terms.
The solenoids are color coded. Gray and black tops. Put the new ones in the same way the old ones are by the color.

 

Probably going to be a stupid question. But should I by genuine g? M? Part, or do you think the autozone parts will be comparable?
or these from amazon:

 

this thread doesn't list what year to the part numbers

 

The GM part numbers are all years HHR with VVT

12679099 Intake and 12679100
for the exhaust

 

are the ac Delco gm original equipment solenoids from autozone ok?

 

Wow. That’s expensive. Have you tried an online search ? I know when I got my solenoids from RockAuto they were a lot cheaper.

 

Heck with amazon and autozone, got the dorman ones like was in the parts list from the thread above for 1/2 the price.

Hope the dorman's plug is correct as it said one member saying the plug didn't fit right. Will know I guess when I go to install it. Wish me luck huh?

 

Buy ACDelco solenoid valve unless you think they might clog up, then consider AutoZone Duralast with the lifetime warranty. Don’t even think about WhoNow? brands, which are famous for failing in a week.

I did use a Dorman once in a pinch, dunno if it lasted cuz I sold the car.

BTW, generally speaking, Electronic Stability Control (ESC) gets disabled when there are certain engine codes, because it takes control of the throttle. It’s to protect and engine with problems, limp mode in particular. Dunno the specifics with HHR..

 

So. Looking back thru the OP’s posts in this thread, I don’t see any mention that he ever pulled the codes on his car. Guess he’s just going to throw some solenoids on there to try and fix his traction control and ABS lights ?
He could be barking up the wrong tree so to speak.
Get those codes pulled. Even if the CEL isn’t on there may be some stored codes.