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post #1 of 4 (permalink) Old 04-15-04, 05:31 AM Thread Starter
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Missing 3rd Gear (EF2 Ghia Auto I6)

Hey guys,

I have an EF2 Fairmont Ghia Auto I6 and Ive had this problem with my gearbox for the last 4 months. It has been slipping slightly from 2nd gear to 3rd and gradually getting worse and worse, holding 2nd gear then give off a big diff clunk into 3rd. I changed the standard bushes to Norathane bushes thinking this was the problem with the slip of gears and diff clunk. It did solve the diff clunk problem slightly.

Then the other day it decides to slip so bad it misses 3rd gear and pops into 4th, as in there is no 3rd gear at all. Now, when i slightly give it throttle in 4th gear while cruising, it will snap back into second and stay there unitl i take the foot off the pedal completely. Even when i physically place the shifter into 3rd it will kick to 2nd, then when aplying pressure to the throttle it will slip around while in 2nd gear and hunt for 3rd, and obviously not find it. Now it ALWAYS shifts from 2nd to 4th, not once finding 3rd.

What i think is the problem might be either computerised (the computer not finding 3rd) or the cog for 3rd gear is screwed. I had the tranny serviced (fluid and filter) 3 months ago so im not sure if that would be the problem. The gearbox has travelled 175,000k, maybe it is just getting on? Any opinions please reply asap.

Thanks

Nick


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post #2 of 4 (permalink) Old 04-16-04, 05:31 PM Thread Starter
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Re: Missing 3rd Gear (EF2 Ghia Auto I6)

BUMP

Common guys, someone must know something!

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post #3 of 4 (permalink) Old 04-16-04, 09:43 PM
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Re: Missing 3rd Gear (EF2 Ghia Auto I6)

You need to extract the ECU fault codes and do a line pressure and stall test to accurately diagnose the faults. Possibilities include:
Faulty transmission air con sensor or connector; does it work better with the air con off?
Faulty trans engine temp sensor or link.
Faulty inhibitor switch.
A faulty solonoid (any of 7).
C1 Clutch failure.
Power fault.
101 possible other mechanical faults.
If you can at least test for fault code we might be able to narrow it down.

Regards Blue
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post #4 of 4 (permalink) Old 04-18-04, 05:58 AM Thread Starter
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Re: Missing 3rd Gear (EF2 Ghia Auto I6)

Thanks mate. I never use the aircon so that cant be it. Ill get it tested right away!

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