I did the auto transmission box did all the cluch plates now the reverse is ok but when moving fore ward the box slips on my 2001 kia carnival what can be the problem

SOURCE: 2001 Jeep G/Cherokee TD - auto g/box loss of reverse gear

need new gear box

SOURCE: 1998 jeep wrangler dont shift into 1st or reverse

I will bet it grinds when you try to engage first or reverse. When this happened on my car, I adjusted the clutch and it improved. You need about a half inch of free play when you first touch the pedal with your foot. If you have a slave cylinder, (hydraulic clutch). You may need to bleed the system. With air in the system, you can't get enough clutch to fully disengage the trans from the motor.(Clutch and pressure plate) It's like you only pushed down half way on the pedal. If it's not hydraulic, it should be adjusted with wrenches. If clutch is fine, It could be a loose shift linkage. It would seem extra sloppy when moving shifter, It would just not go in gear, with out the grinding.Hope this helps. lbreen

ricky horwood

• 128 Answers
• Posted on Jul 05, 2009

SOURCE: WHAT DOES THE HOLD BUTTON ON THE AUTOMATIC SHIFT

the hold buttion on the auto is just like a overdrive button on other autos when you press it a orange light will glow saying hold this will stop it from going into 4th this is recommended when you are not doing speeds over 60kph/40mph
the only reasion why i am so shaw of this is my sister owns one lol

SOURCE: auto transmission slips then grabs

first thing i would try is changing the transmission fluid out and filter, i beleive its almost 8 quarts. use a full quart of lucas transmission additive with the new fluid. if this doesn't help, the transmission will either need replaced or rebuilt

SOURCE: 00' Kia Spectra. Change auto transmission fluid

If your gonna do it yourself, then, sure replace the filter as well. If you have one of those exchange machines do it, the machine, in my experience, gives a reading while it's exchanging. Apparently the lower the reading, the less flow thru the system, usually meaning the filter. Hope this helps.

Testimonial: " I not much a diy person, will take it to a non-authorised service center. Thanks for your info."