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 Post subject: Transmission clunk
PostPosted: Wed Jan 13, 2010 7:44 pm 
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Joined: Sun Dec 27, 2009 7:31 pm
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Location: Rochester NY
Year and Trim: 2004 Pontiac Bonneville GXP
can anyboby help me? while beating the crap out of my car it began to clunk into each gear. any thoughts.


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 Post subject: Re: Transmission clunk
PostPosted: Wed Jan 13, 2010 7:47 pm 
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Location: MN/IA
Year and Trim: '17 Silverado 1500
How many miles? When was the last time the fluid was changed?

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 Post subject: Re: Transmission clunk
PostPosted: Wed Jan 13, 2010 7:50 pm 
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Location: Rochester NY
Year and Trim: 2004 Pontiac Bonneville GXP
about 78000 i have never had it changed


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 Post subject: Re: Transmission clunk
PostPosted: Wed Jan 13, 2010 7:59 pm 
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First off, do you know where and how to check the trans fluid level? It is a "cap" that is underneath the air filter on the transmission. The car must be idling in park, otherwise no fluid is in the area of the dipstick. Check the level, color (pinkish/red or brown) and smell of the fluid (normal, or burnt) and report back.

I would have it changed (or change it yourself) and add a bottle of Lucas Trans-Fix if it's never been changed. You might want to add a pint of Seafoam TransTune for 100 miles before you change it, in order to clean the crud out of the solenoids, etc.

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Sirius wrote:
Think about it. You’re tooling down the road in your Prius, knowing full-well that this thing being green is as big a sham as federally mandated ethanol-enriched gas, Russia pulling out of Ukraine, and Obamacare.


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 Post subject: Re: Transmission clunk
PostPosted: Wed Jan 13, 2010 8:47 pm 
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Joined: Sun Dec 27, 2009 7:31 pm
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Location: Rochester NY
Year and Trim: 2004 Pontiac Bonneville GXP
wow i cant believe it was that easy. the fluid was down about a quart. holy crap. drove it and no clunking but definitely gonna get it checked out and changed. that scared dollar signs across my face. thank you very much for bringing me back to basics. how stupid did my question sound? i didn't even know where to check it. what a pain that is for big hands.


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 Post subject: Re: Transmission clunk
PostPosted: Wed Jan 13, 2010 8:51 pm 
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Location: Central Illinois
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It might be a good idea to jack it up, support it, and take a good look for leaks.

Where are you located? Maybe a local member can meet you and help out.

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 Post subject: Re: Transmission clunk
PostPosted: Wed Jan 13, 2010 9:23 pm 
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dutchman wrote:
wow i cant believe it was that easy. the fluid was down about a quart. holy crap. drove it and no clunking but definitely gonna get it checked out and changed. that scared dollar signs across my face. thank you very much for bringing me back to basics. how stupid did my question sound? i didn't even know where to check it. what a pain that is for big hands.

The only stupid question is the one that doesn't get asked and costs $4000, lol.

I know how you feel. I remove the air box lid on our GXP to check it, as I have big hands too. It's not like I'm pouring dust in there or anything.

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Think about it. You’re tooling down the road in your Prius, knowing full-well that this thing being green is as big a sham as federally mandated ethanol-enriched gas, Russia pulling out of Ukraine, and Obamacare.


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 Post subject: Re: Transmission clunk
PostPosted: Thu Jan 14, 2010 12:18 am 
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Your PCS solenoid may also have been acting up due to the low fluid too.

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 Post subject: Re: Transmission clunk
PostPosted: Sat Jan 16, 2010 7:51 pm 
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Location: Rochester NY
Year and Trim: 2004 Pontiac Bonneville GXP
Thanks for your help


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