I recently purchased a used (2006) Chrysler 300C. It has about 110,000 miles with unknown service records. The car is very clean and appears to be well taken care of but who knows for sure.
Next week I'm taking it in for a transmission service (Flush and Filter).
Dealer #1 wants $339.95
Dealer #2 wants $381.30
Dealer #3 advised not to flush it only to do a filter swap. He said that a flush might dislodge slug and ruin the transmission. ??? $149.00 for filter swap only.
Dealer #4 is the only one to even ask what kind of vehicle we are talking about. He was very polite and quoted me a price of $279.90 for a complete flush and filter exchange.
So Monday morning I'm going to dealer #4. I usually do all of my own service but no dip stick scares me. I have no idea what the fluid looks like. I'm nervous about taking it to a dealership. I hear all of the horror stories about dealerships over charging or ruining vehicles.
I just had my first tranny fluid and filter change done by the stealership at 65K miles for $149. The owner's manual says fluid and filter change, and that's what it got albeit a few thousand miles later than the owner's manual said.
I have a great dealer. Those horror stories result from owners who think they can insist a dealer do something or tried to diagnose their problem and have the dealer fix that problem despite the fact the owner has NEVER been near a tech class let alone worked on their car. Let the tech and the dealer do what they are trained to do and don't worry.
2006 300C SRT8
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I had a shudder at 86k miles. The dealer insisted on a flush and filter. It drives awesome now. At 110 I certainly understand your concern. I like both the answers above. But WHAT IF your tranny hasn't been serviced since 60k??
You can by a dipstick online to at least check the fluid.
He said that a flush might dislodge slug and ruin the transmission.
I have heard of many stories where a system flush is performed only to have the transmission fail a short time later (especially on high mileage vehicles getting trans service for the 1st time).
Power flushing the fluid by someone inexperienced can cause little metal debris that is stuck to the magnet on the bottom of the trans pan to come loose and get pushed into nooks and crannies throughout the trans.
I have almost 100,000 miles on my car and still haven't done a transmission service - partially because I can't decide between a flush and a change, partially because of money, and partially because from time to time the dealer sends out coupons for that sort of thing but they haven't in the past few months.
Really, from the horror stories I suspect dropping the pan and changing the filter is way better. What else should I be doing? Serp belt? Other fluids? I haven't really done anything except some alignment work, spark plugs, oil changes, and fixing random electronics that break.
Apparently I should have to replace everything by now. XD
Well I had it done. Both the flush and filter exchange. The Service adviser ensured me that they only use Mopar ATF+4 fluid. Not Dextron mix with an additive that "magically" turns it into ATF+4. He also took me onto shop floor to show me the actual machine used for the flush. Their machine has NO pump what so ever. As the transmission pumps out dirty fluid into the machine it creates a pressure that put's clean fluid in. If the transmission pumps out at 10 psi it gets fresh fluid at the exact same 10 psi.
I never believed in the theory that flushing out dirty fluid would destroy a transmission. I have flushed several transmissions myself and have never had a problem. My shade tree method is that I disconnect the input line of the transmission cooler and attach a hose to it. I have a 5 gallon bucket that is marked in every 2 quart increments. I start the vehicle and when the transmission pumps out 2 quarts of dirty fluid I turn it off and add 2 quarts of clean fluid through the dip stick tube. Restart and repeat until it pumps out clean fluid. It takes 20 to 30 minutes. I would had done this on the 300 but no dip stick scared me. Over filling is just as bad as under filling.
Having over 100,000 miles I would definitely do both a flush and filter exchange.
Next I will be flushing the coolant system and changing the spark plugs.
I have heard from multiple people (even a local shop) to just replace filter and drain/replace fluid. An independent shop wants $150 plus tax to do that and the local dodge dealer charges $160 plus tax.
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