2000 Kia Sportag car with a standard five speed transmission.the clutch works good until it gets the motor hot. Then the clutch does not work. Why

SOURCE: I have a 2001 kia spectra 1.8 Liter engine and

The biggest issue will be with the ECM. If programming changes were made between the year models to accommodate newer sensors then you will have problems with the ECM and TCM control units. If you transfer just the motor over and leave the transmission as a standard you will reduce the probability of having these problem. The motors should be essentially the same. There maybe some changes on sensor locations and in some cases you may need to make some extenders to accommodate the different locations. The second issue with the newer motor going in to the older vehicle is the ECM being able to control the Crank Position Sensor readings and maintaining the timing as this is key to the motor running well. Again, you may be able to use the ECM from the 2001 to avoid this problem but this assumes that all other major equipment is the same. Where I am seeing the largest issue is with the Transmission. In older vehicle changes from Standard to Automatic is not an issue and vice versa but in the ECM controlled world it becomes a problem. This is sometimes resolved with a simple programming upgrade at other times the ECM is designed to handle either with no further action required. This is Vehicle make and model specific though. One manufacturer may not require any further action where another may and there is no listing of exceptions.

SOURCE: Clutch

There is a spring on the pedal up under the dash, if this has come undone then the pedal may not be able to come back up to the normal position. The spring connects directly to the pedal and to a bracket under the dash.

SOURCE: My 1999 altima is a 5 speed manuel transmission

Check Mass Air Flow sensor.

SOURCE: 2000 Volkswagen Golf. This car has a five speed

COULD BE WORN OR DAMAGED REVERSE IDLER GEAR OR BUSHING. OR IT COULD BE WORN OR DAMAGED REVERSE GEAR ON MAIN SHAFT.

Shade Tree All Repair

• 509 Answers
• Posted on Apr 06, 2012

SOURCE: 2002 kia spectra , 5 speed transmission shifts

Sounds like the slave cylinder is needing bled out from air or fluid needs added also could be going out or this could be the pressure plate unlikely though if fluid is not your problem this may be. Look under the vehicle for fluid deposits or wetness also check the clutch reservoir to check its level this is where i would start.