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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
Hi guys,
I have noticed on occasion my Auto wont manually downshift gears. It acts as if though its in drive still. If i turn the engine off and restart it everything works properly again and manual down shifts work. Any suggestions.....  Could it be the inhibitor switch?Note: When this occurs auto upshifting and down shifting still works perfectly and smoothly. Cheers Shaun.
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| Papa Smurf |
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93EB wrote: Hi guys, I have noticed on occasion my Auto wont manually downshift gears. It acts as if though its in drive still. If i turn the engine off and restart it everything works properly again and manual down shifts work. Any suggestions..... Could it be the inhibitor switch?Unlikely Note: When this occurs auto upshifting and down shifting still works perfectly and smoothly. Cheers Shaun. More than likely it would be an S1,S2,S3,S4 Solenoid in the box. EF 640070A1 is the Part number and they cost $74.00 each from Ford. They are fairly easy to change and you will just require a Torx bit, 10mm socket and ratchet, car ramps, TQ95 and, while your at it you could replace the filter and a NEW gasket. 
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| BenJ |
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I have fixed this in my EB Sedan by replacing the inhibitor switch. Also check the selector linkage bushes for wear.
BenJ
_________________ BenJ's EB T5 DOHC Ghia Wagon - Current Ride |
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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
Thaks Ben thats next on the cards. Ive re crimped and soldered the negative terminals going to the battery hoping a dodgey earth might be contributing but ill do the switch next if its still the same. I have not driven the car since ive done this yet. The inhibitor switch ive always been suss about but.
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| Papa Smurf |
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93EB wrote: Thaks Ben thats next on the cards. Ive re crimped and soldered the negative terminals going to the battery hoping a dodgey earth might be contributing but ill do the switch next if its still the same. I have not driven the car since ive done this yet. The inhibitor switch ive always been suss about but. I will bring the one I have at home for you Next week if you like? Better still, come around and get it? I am not far from you, just PM me 
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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
Thanks Papa. Yeah bring it please next week and i will let you know how it goes in the mean time. As i said to Ben today i have put new plugs on all the earth wires connecting to the battery and whilst i was at it i done the ISC as well and the idle has now improved but ive only driven the car around the block. The wires did look a bit crook being corroded and greenish. Its been a bit hot to do anymore. i will grab the switch earlier of you if it fails all together.
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| jaysway |
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it has happened to me, replaced the inhibitor switch, problem solved
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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
Well ill be leaving the XR at home today and ill drive the EB
 . Ill let you all know how it goes. I hope if there is a problem it is the Inhibitor switch. Either way thats the next easiest thing to try so i will take everyones advice and do that next.Thanks Shaun.
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| justmemum |
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Hi guys, a few years later ,did you get it fixed by changing switch ??? I have no engine braking or manual downshifts ,but thinking c4 faulty.
Took inhibitor switch off and checked with ohm meter all within range. reverse light and n/p start all ok. |
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