My Dodge Magnum 3.5L V6 requires ATF4 transmission fluid. My mechanic installed a universal fluid and I found out at the auto parts store it only covers up to ATF 3. I now feel slippage and he claims it's the tranny not the fluid.

Asked by Apr 03, 2013 at 03:05 PM about the 2005 Dodge Magnum SXT

Question type: Maintenance & Repair

Recently had transmission serviced with a universal fluid instead of the required ATF 4.  My trans seems to be slipping at low RPM in the 25 to 30 mph range. is it the tranny fluid.

7 Answers


It could be. have the level checked first to make sure its not low.

2 of 2 people found this helpful.

Why would one not put in the recommended transmission fluid in?


It very well indeed be the fluid. ATF+4 is required as you know. I would suggest you go back to your mechanic and insist they drain and or flush all the universal fluid out and install the proper ATF+4. The damage might already be done, but lets hope it clears it up. Also make sure they check if they installed the trans filter gasket that goes between the filter and the valve body. Sometimes those are missed as they don't come in the kits. This will cause the trans to flare shift between 1st and 2nd. How many miles on the transmission/vehicle?

2 of 2 people found this helpful.

Magnum has 114,000. I only changed the fluid because it was recommended in the manual. Was running just fine before the service. Car starts to 'Lurch and slip" at the 25 to 30 mph range. I have since been back to the mechanic and he showed me a Mfg. Spec Sheet which says his product covers Chrysler ATF-4. Car is going into the shop tomorrow.


O.k. you had a car that shifted nice before the transmission service and Now it doesn't afterwards? Not cool!

10 07 magnum has the exact same problem now...what do I do....,??? Thanx in advance

1 of 1 people found this helpful.

I have the same problem .. Tranny pan keeps leaking Had it fixed .. New gaskets and check twice. Start leaking again .. Now it's starting to slug I'm adding fluid till it can get in shop again .. Does anyone know how much tranny fluid is what goes in a '07 V6 automatic slap shift ?

1 of 1 people found this helpful.

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