Simular leaking issues are here. I hope this helps.

https://www.chevyhhr.net/forums/showthread.php?t=1424
https://www.chevyhhr.net/forums/general-hhr-4/water-leaks-1353/

 

Take a look at these threads Sindy posted and link below. Hopefully one of these will help. If not...I would say off to the dealer.


Water Leaks From Rain May not HHR specific (Technical Service Bulletin)
http://www.alldata.com/tsb/General-M...12E/index.html

And a quote on another thread.

 

i had the same issue last week and i took a TSB and the 2 threads listed with me to the dealer. It seems to be the HVAC box gasket. Parts are backordered, so i had to put my HHR in the garage till monsoon season is over in the mid atlantic/North East. THey said 3-4 weeks for the part. Make sure that they clean the floor really well. I am concerned about Mold/mildew. My son has Asthma and is set off by allergies, and his allergy to mold is his worst. So far it smells OK inside, but if it gets bad, i see a carpet replacement in my future.

 

Leaking again here in Texas, so my HHR will go back to the dealership again tomorrow. This will be the third time. How is a car labeled a lemon? Should I look in to this? Except for the wetness, I love my car.

 

I have the same problem, though i've seen water dripping from behind the glovebox from whatever lies behind it. Its happened twice, though its rained pretty good a few times. Also, whatever it is (yet to get it checked) its only begun to do it recently and i've had my baby for 4 months.

 

I don't have a sunroof, and my windshield has yet to be replaced. I have not had any problems as of yet and I know that while I was away last week it POURED! We'll see.

 

well i took mine to the dealer and they ordered the gasket for the heater box. Then i had to park my camaro outside under cover untill the part came in. Danrn near 2 months later i got the gasket and they "fixed" it. Last Night it rained, and low and behold my floor is wet. THis is going to be annoying at the least.

 

Not sure which side you are getting water on but if its the passenger side have them check the gasket around the cabin air filter box, that is what caused mine, flooded the cabin filter also so that had to be replaced. Hope this helps

 

i believe that is waht they fixed, i will ask again tomorrow. The work order said "R/I and Replace gasket, pass side"
Thanks!

 

well this morning i got up to go get something out of my hhr and the passenger side was sopping wet as well as the floor mat had standing water on it....theres plenty of water underneath the mat to....and if you hit the floor it splashes water out of it....i just called the dealer but the service department was to busy to take my call......i noticed this about 3 weeks ago when i was vacming the car out but it was just damp...i thought that someone spilled water there.....but this is defitnatly not a spill this time