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2002 chevy impala transmission shrinkit
2002 chevy impala transmission shrinkit







2002 chevy impala transmission shrinkit

Husband pressed on other fuses, car started. Not sure if that made a difference.Īt Christmas time, car wouldn’t start in Lewis parking lot. Pulled car out of park, back into park, and the car started. Turned car off, it wouldn’t re-start, turned the key with no response at all. I pulled over, decided to turn car off/on to see if headlights would work. One attempt to pull on blinker stick turned on brights, but upon letting go of the blinker stick ALL lights went out. October/Halloween – I was driving down gravel road, tried to turn on headlight BRIGHTS, pulling and/or pushing blinker stick didn’t work. He put in a bigger fuse – and told me to never do that on my own. He noticed it popped when the cooling/radiator fan clicked on. Brought car to Brian (mechanic/friend), who found A/C fuse blown, replaced it, then it blew again right away in his parking lot. Shortly after buying car in September, A/C stopped working. Security alert on dash stays on sometimes Turning knob for dash lights causes radio display to flicker and turn off Worth a look for sure.įull day test drive, there were no problems at all.Īfter buying, noticed many weird electrical things: It is much cheaper than taking it to a dealer. This part will bypass the whole system so you never have trouble again. You are not alone because many many people have been kept out of thier OWN cars because of this defective system.

2002 chevy impala transmission shrinkit

Passlock/VATS Bypass Fix - This site sells a part that will bypass your defective passlock system.The vehicle is repaired and I would like to let GM know that when I sell this vehicle, I will offer a "LifeTime Warranty" on the security system for this vehicle (more than you can do)! I simply hand soldered the three wires (Black, White and Yellow) directly to the PassLock sensor. I certainly did not take the vehicle to any GM Dealership and get "rear-ended." Ok - GM -> The PassLock cat is out of the bag! The critical analog PassLock signal drifts depending on mechnical issues, temperature and humidity. The grey oxidation was clearly visible under 10X magnification.Ĥ) The Body Computer does not adjust over time for the oxidation that build up on the PassLock pins.

2002 chevy impala transmission shrinkit

It can wiggle up and down and back and forth.Ģ) The connection is a "blind connection" meaning that during assembly one would not know if the PassLock connector was connected correctly or not.ģ) The male and female pins used on the PassLock system are "Tin" plated and subject to oxidation over time.

#2002 CHEVY IMPALA TRANSMISSION SHRINKIT HOW TO#

  • Passlock System Major Design Flaw And How To Fix It - The ignition switch was dissasembled and I looked closely and observed a few interesting things about the PassLock system design.ġ) The male connector does not fit securely in the female connector receptacle.
  • I've used the same technique on my Impala.
  • Passkey 2 Bypass - This fix shows how to fix this on the Grand Am.
  • This is why people are reporting that they went in to a dealer, paid 500 dollars and it happened again in a month. take a wire cleaner, and brush off the contacts and add dielectric grease so it doesn't corrode again. there is a wire that connects the ECU to the key tumbler and the contacts are made out of tin which develops corrosion after time. Problem is not the passlock system or tumbler.
  • Corrosion on the tin contacts - fix costs about $1.50 if you add dielectric grease to the inside of the contacts.
  • However, to replace it the trans needs to be dropped and that's always. Also the consensus seems to be it is a pressure control solenoid that is causing the issue. Thankfully I know people who have had this problem for years in their Impala and their transmission never gave out.

    2002 chevy impala transmission shrinkit

    It's started happening again on occasion now that temperatures are dipping, but unlike before it's nowhere close to being as violent, and it happens much more rarely.ĭitto to the transmission fix being a band aid. I put in a bottle of Lucas Oil transmission fix (without taking fluid out), and it went away for about 9 months or so. It used to be really bad, and I'm talking knock-coffee-out-of-my-hand bad. If the ambient temperature is about between 40 and, say, 55, it might do it once out of every ten starts. For some reason, it doesn't seem to matter what the trans temp is. It's only occasional, and it only does it in cool weather. FWIW, mine does the shift-bang from stop as well.









    2002 chevy impala transmission shrinkit