Maintenance and Upkeep Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between.

Automatic Transmission Fluid Flush

Thread Tools
 
Search this Thread
 
Old 10-22-2010, 11:37 PM
  #21  
Platinum Member
 
sleeper's Avatar
 
Join Date: 01-09-2007
Location: SE USA
Posts: 15,858
HHR auto tranny service & change the filter requires removal of the tranny pan.. In the Owners Manual states the exact amount & type of fluid to re-fill with..
So one would just need some mechanical skills, some tools, pan gasket, filter & trans fluid.
Attached Images  
sleeper is offline  
Old 10-25-2010, 08:09 PM
  #22  
Member
 
Later's Avatar
 
Join Date: 09-10-2010
Location: Michigan
Posts: 41
I have had 2 flushes done and I will never, ever, ever have it done again.

Both times, it was done around 35,000 miles and effed up the trans on a 93 Olds and a 99 Ford.

I have been told by a guy that knows his stuff not to take it to a quick lube shop. They race the engine to speed the process which leads to things going wrong.

Best bet is to change out the filter and fluid.
Later is offline  
Old 10-25-2010, 10:05 PM
  #23  
Senior Member
 
jay loukakis's Avatar
 
Join Date: 10-21-2008
Location: hemet, calif.
Posts: 1,831
never flush the trans.

years ago i had a new Buick had the dealer fush the trans, got about 5 miles away would not shift took it back had to have the trans rebuilt, it just sucks the garbage from the bottom and clocks up a lot of things.
jay loukakis is offline  
Old 10-25-2010, 11:13 PM
  #24  
Platinum Member
 
sleeper's Avatar
 
Join Date: 01-09-2007
Location: SE USA
Posts: 15,858
Originally Posted by Later
Best bet is to change out the filter and fluid.
X 2
sleeper is offline  
Old 12-02-2010, 09:36 PM
  #25  
 
multiwheelz's Avatar
 
Join Date: 07-02-2009
Location: central NH
Posts: 3
Had mine done at 62,000 at the dealer about $ 180.00 dealer told me fluid flush only at 50 k if used under certain conditions previously mentioned but filter change only necessary at the 100k .regardless of conditions .now the car has been driven across country and has 68k on it and no prob.
multiwheelz is offline  
Old 12-28-2010, 05:08 PM
  #26  
New Member
 
Telepsychic's Avatar
 
Join Date: 12-07-2010
Location: Arizona
Posts: 10
I have an '07 with 303K miles. I have the tranny flushed and fluid replaced about every 50K miles. I live in AZ and use the HHR for work and probably meet all the "severe" use requirements. So far though, the filter has never been changed. I've asked about it and was told there was no need to replace the filter because of the way the flushing works. I don't think I buy that with 300K+ on the car. In about 22K more miles the service is due again & I'm going to insist on the filter replacement.
Telepsychic is offline  
Old 02-10-2011, 01:30 AM
  #27  
 
ssrex's Avatar
 
Join Date: 02-08-2011
Location: Cambridge, MD.
Posts: 3
Lots of miles

I have a 2009 HHR 2.2 Flexfuel with 124442 miles . Use Mobil 1 0-30.
Seems to work well. Trans has not been flushed or fluid and screen changed.
Not sure what option to go with?
ssrex is offline  
Old 02-10-2011, 08:29 AM
  #28  
Senior Member
 
BlackScreaminMachine's Avatar
 
Join Date: 03-19-2009
Location: Connecticut
Posts: 296
Originally Posted by ChevyMgr
Flushing a transmission with high miles, that has never been flushed before, is never advisable. It is very rare to see problems after flushing an automatic transmission on a vehicle that has had the service performed at regular intervals. I have seen a first time flush performed on a high mileage vehicle and the vehicle wouldn't back out of the stall. We ended up overhauling the transmission at no charge, for customer satisfaction. Needless to say we refuse to perform first time flushes on high mileage vehicles now. The same is true for engine oil flushes. It is possible that there is a piece of debris stuck in one of the check balls in the valve body. A pressure check would tell a tech if that may be the problem. Also without the flush machine I don't know how a person could flush a transmission on their own.
I have seen this as well. The newer fluid often shocks the transmission as it is not used to this new fluid and have seen many trans just not work or break down with in 10k miles.

If I read correctly the recommended service interval is something like 50k, if regular non business use. IMO My HHR is around 24k and will be getting it done in the spring. I'd rather be overkill when it comes to matience.

BlackScreaminMachine is offline  
Old 02-10-2011, 10:26 AM
  #29  
Senior Member
 
diskullman's Avatar
 
Join Date: 01-10-2008
Location: NJ
Posts: 681
I've heard that the pan gasket is very tempermental, and there is a tedious process to replace, without having all sorts of leaks.
diskullman is offline  
Old 02-10-2011, 11:25 AM
  #30  
Senior Member
 
TomsHHR's Avatar
 
Join Date: 01-13-2006
Location: Superior, WI - Over the Hill Warranty Club member
Posts: 2,999
Originally Posted by chula52.1
I find it hard to believe no one has more than 100,000 miles on their HHR. Mine is a 2007 LT1 that had 49,000 miles on it when I bought it and it has 117,138 miles on it today. Love it!!
See post #11
TomsHHR is offline  


Quick Reply: Automatic Transmission Fluid Flush



All times are GMT -5. The time now is 07:51 AM.