Question about 2004 Pontiac Grand Am

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When should the tranny be flushed? And/or collant system? I got my oil changed and suddenly they are saying I need all of these things! And the car is running just fine.

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Having owned a trans shop,I will say every two years or 30,000 miles. That said others may disagree. You feel lucky,roll the dice and keep your check book handy. I would drop the pan and forget the flush. It will get out more fluid,but will leave you open to broken things, trying to hook it up, and who knows what type fluid you'll get.

Coolant-5 years new vehicle,first time,then every three years.

Power Steering Fluid- every three years, or actually set the cash on your dresser, for a steering rack failure any day.

Brake fluid- three years max, new. Every year or two, you must flush the system. The fluid is hydroscopic, it absorbs moisture. That causes rust and possible damage to the ABS Controller. That could go for a couple thousand dollars.

Running just fine, has nothing to do ,with preventative maintainance

The people changing your oil, may be pitch men. Go to a local repair shop. Check out their reputation. Stay away from quick lube places and franchises.

Posted on Sep 29, 2010

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Don't do it.I got taken by being complacent and not asking my normal questions at a certain national chain.Flushing the coolant does more harm than good.ONLY if you suspect a plugged radiator should it be done.And then I may replace the radiator anyway.Tranny flush...kind of depends on mileage.Oil 3K for regular.Synthetic oil has 5K and 12K selections.Depends on the brand.Just make sure your fluids are fine.Check tranny on level surface with engine running,and warmed up at least 5 minutes.Do several readings for accuracy.(You seem to know how to check tranny anyway but just making sure).Check radiator when cool and fill overflow to cold level line.Water is fine.100% antifreeze is not necessary.I would like to know what shop it is please and full garage or oil change only etc.If you reply here I will get an autolink to your post.I took my car in for a clutch,signed the paper,they called and said $500,I said okay.When I got there I found the clutch was actually $100 and they did all this unnecessary junk.Why?Because I did not ask exactly what they were doing like i usually do.I don't think it was ever even on a lift.Needless to say I found a new garage.Your best bet is an AAA approved shop if you are in USA.It may cost a little more,but they are honest,always tell you exactly what they are doing and how much.AAA has very high standards to maintain that AAA approval.For a 2004,they are full of it.Good luck! Greg
P.S.You were very wise to come here first.I wish more people would before doing stuff.One guy earlier had his car not starting.He basically replaced almost the whole fuel system and it doesn't start.It may be a $10 relay.I have no car mechanic license.I do have an aircraft mechanic license.I have been fixing my own cars,bikes,golf carts and talking shop with mechanics of all these fields for about 25 years.

Posted on Sep 29, 2010

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Seat of the pants answer is Tranny = 100,000 ... Cooling System = 5 years.

For the official answer, check your owners manual ... check with the dealer or check with Pontiac. There is probably something on the Web Site ...

That help?

Thanks for using

Posted on Sep 29, 2010

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This question can easily be answered by looking up scheduled maintenance in the index of your owners manual. the quick lube places are set up on a suggestive maintenance program that dose not take in all models of all makes and can prematurely suggest some services. if no manual call your local factor service department and talk to a service adviser, wile you are on the phone check prices you might find them to be a deal and they only use factory parts made for your car.

Posted on Sep 29, 2010

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