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Re: 1986 ford f350 shifting problem
Hello you can check the slavecylinder for leakage there is a reservoir up near your mastercylinder black mounted on firewall has a plastic line take the cap of fill with fluid if low try again if no go check fluid level in transfer case with bent coat hanger or wire should register at leat 2-3 inches down if all is good sync gears out of sync goodluck
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Stick a magnet on your pedal and if it doesn\'t stick then it\'s the OEM pedal and should be replaced with the steel pedal.
Pontiac had this \'awesome\' idea to make the clutch pedal out of aluminum and after 20 years the pedal actually starts to bend and bottom out on the floorboard before giving you all of the travel necessary to disengage the clutch. Fierostore.com sells a replacement pedal for about 50 bucks. This is the first place I would start since it is what fixed my 1986 Fiero GT 4spd.
If the problem is still manifesting then move onto bleeding/replacing the clutch master/slave cylinders.
I\'ve also seen the brackets on the transmission that the shift and select cables attach to have worn out and introduced a bunch of slop in the shifter, but this is less common.
I\'ve also seen the clutch release bearing seize because of a broken release bearing fork slipping around the collar and grabbing the freely rotating part of the bearing. This then leads to pressure plate fingers breaking off and soon no matter how hard you push, the clutch won\'t disengage. Tranny has to come out. Seen this once.
And last but not least, I\'ve also seen a nut on the inside of the transmission shift/select shaft come loose and leave the tranny stuck in the 3/4 fork. Seen this one time 5 years ago.
yes its worn a bit and this is normal on manual gearboxes ,now could be a gearchange problem inside the gearbox as the reverse gear is worn on the end of the teeth ,then it could be the driver over the driven shaft is worn so the layshaft is dragging or a selsector rod ,try slowing the idle down to around 600/700 rpm as this will make it easier as this monster 7litre engine should idle at around 500 with no problem ,Now remember that iam in europe and all our or 99% of motors are manual and at least 50% diesel and this grating in reverse is normal as thier is no syncromesh on this gear ,you sort of lift clutch up a bit to move the gear clusters inside the box then drop it in i do it as second nature without thinking about it One question would you still drive this motor if had to pay around 10 dollars a gallon for petrol and top band of road tax which in ireland is around 1500 euros a year and a bit less here in spain?
Shift fork may also be one of the reason! watch the shift fork while moving the clutch in and out. 1)The shift fork is near the clutch master cylinder on the tranmission housing. you should now move the fork left and right while the clutch is moved in and out.2)From your query, it sounds to me that your clutch is not engaging and disengaging completely.3) This is due to the air block. Make a bleeding process to blow the air out!4)A broken shift fork will also prohibit the clutch from engaging/disengaging.
It's gotta be the cable/linkage. You just have to inspect them and see if something is worn or snapped. They get old and crusty and need to be replaced eventually. I had to replace my shift cable on my 86 se with the 5-speed getrag.
Make sure your emergency brake cable hasn't seized up. Some vehicles use reverse to adjust the brakes. Try moving the vehicle with the clutch pushed in, then with the clutch out to make sure it is not sticking, check your shifter linkage to make sure it is not bent or sticking.
Is the stick moving? or is it 'stuck' in the reverse position as well? There are adjustments but it seems more likely that your 'stick' has come unstuck from the gear levers that actually put the gears in the right spot. Have someone look at the transmission while you move the stick to see if the levers are moving and put your response here.
Ok ready to stand on your head under the dash?
It's doable... there is a flange connected to the gearshift lever under the steering column. If you remove the lower dash cover where the fuses are, you should be able to see it when you move the gear shift lever... look around on the floor of the truck to see if you dropped a star-headed bolt or two... these bolts worked loose on my superduty and made shifting very difficult..it was an easy fix... let me know how you do on it.