Category Archives: FAQ

Will it hurt to overfill the transmission?

In a word, no!  Although, it is possible that gross overfilling can cause the fluid to be subjected to moving parts and become aerated which could cause abnormal operation.  You may also notice leaks that ordinarily would not occur.

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What is a “shift kit?”

The kit is an aftermarket service pack that has been researched and developed to compensate for design deficiencies discovered in a particular transmission.  In most cases, the kit improves the quality of shifts, increases the internal pressure that operates the unit, and provides better lubrication. Note: Not all transmissions need the kit.

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How can I make my transmission last longer?

Just like the dentist tells you, “Don’t ignore them.”  Check the fluid level and condition periodically, repair any leaks/problems promptly, service the unit on a regular basis, and add an auxiliary cooler if the vehicle is used for towing, commercial, or high ambient temperature climates.  Some units should have a shift kit installed. Synthetic fluid [...]

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How long does a transmission normally last?

The is no accurate answer to that question.  The mileage or time of use before major problems occur will vary greatly, and therefore, I don’t see a correlation between mileage and expected transmission failure.  It is not unusual that the first few years after a newly designed transmission hits the road, that early failures occur.  [...]

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Can you tell me how much it will cost to overhaul my transmission?

My first question back to you is:  Which model transmission do you have and how do you know it needs to be overhauled? Occasionally, a poorly running engine, restricted exhaust, computer or sensor, poor electrical ground, or other problem not internal to the transmission will be the cause of abnormal operation.  Tragically, I have had [...]

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Can I drive with a transmission leak?

It depends on the rate of fluid loss.  A minor or slow leak will allow you to drive as long as you maintain the level in the normal range.  You will have to establish the rate of loss and replenish as necessary.  It should be obvious that if fluid is running out as a stream, [...]

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I have a leak. Can you tell me how much it will cost to repair it?

There are numerous places that a transmission can leak.  They include: the pump, shift lever seal/s, kickdown seal, electrical connection/s, governor cover, speedometer, rear output seal or axle seals, servo cover/s, filler tube, throttle cable, pan, side cover, cooler lines, and differential cover. The real question is:  What is/are the source/s of the leak/s.  Most [...]

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How do I check the transmission fluid level?

Always check the fluid level with the engine running (except Honda), the transmission in “park” (except Dodge products which should be in neutral with the emergency brake applied), and with the engine at operating temperature.   Remove the dipstick and wipe with a rag.  Insert the stick fully and remove.  Look at both sides of the [...]

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