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Jerry
Jerry, Master Mechanic
Category: Car
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Experience:  ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager
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Flushed..going down..the road, my tach is going up my abput 200 rpms

Customer Question

I recently had my timing belt replaced, 2 weeks ago, and last week, i had my trany fluid flushed and filled, as I am going down the road, my tach is going up my abput 200 rpms and then back to normal for that speed periodically, it seems to be happening aboove 40 mphs, bad timing belt job, transmission problem,
Submitted: 5 years ago.
Category: Car
Expert:  Jerry replied 5 years ago.

Hello and welcome to Just answer.com, Super mechanic here. About your vehicle.

It sounds like there is a problem with the TCC system. They will do that when they are warmed up, the torque converter clutch will lock and unlock while driving. That will not set a trouble code most times.

 

What you can do is; When you are driving with the vehicle warmed up and you start to feel the "chuggle" or miss is, just touch the brake pedal, enough to make the brake lights come on but not enough to actually apply the brakes and see if the engine smooths out. If it does then the problem is within the transmission TCC solenoid system. That would be in the torque converter clutch lock up solenoid, the wiring or the torque converter itself , thanks

Jerry, Master Mechanic
Category: Car
Satisfied Customers: 12597
Experience: ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager
Jerry and 7 other Car Specialists are ready to help you
Customer: replied 5 years ago.
Reply to Super mechanic's Post: So, are you saying that it isnt a timing belt issue, or fluid recently changed, the shop put in dextron 3 fluid for the transmission, instead of kia fluid
Expert:  Jerry replied 5 years ago.

That fluid is comatable with the Kia SP-lll as long as it is the Dexron-lll

You would want to confirm that the condition is in the TCC system and not a 2-3 upshift slip or flare, as there is an update for the computer software for that concern.

If the trans fliud is up to the recommeded level and there are not TCC concerns, you might want to check the updates with the manufacturer. Here is what the one says that I have in my data base.

Date: Wednesday, June 07, 2006

Area: N. America

Subject
2004-2006 Spectra 2.0L 2-3 Shift Shock(Transmission/Driveline - 016)

 

Description

This bulletin provides information related to a repair for 2004MY through 2006MY Spectra automatic transaxle equipped vehicles with 2.0L CWT engines.

Some Spectra automatic transaxle vehicles may exhibit a second to third gear upshift shock after the vehicle is at operating temperature. This condition may also be felt as a slip or flare followed by a shock while shifting from second to third gear. This bulletin describes the procedure for upgrading the ECU software with new logic to correct the above condition.

Customer: replied 5 years ago.
Reply to Super mechanic's Post: is it ok to drive my car then in the city, and what is a torque converter
Expert:  Jerry replied 5 years ago.

The torque converter is the part that connects the engine to the transmission. You wouldn't want to drive it too much if there is any slipping, as that will cause things to wear prematurely.

The best thing that you could do would be to have a reputable transmission shop check for trouble codes and pinpoint the exact problem, or the dealer to see if it needs the update.

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