Question about 1988 Ford F 150
This is a transmission that I replaced myself several years ago and ran fine for a year or two. It was a rebuilt tranny from Checker Auto (at the time)
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Posted on Jan 02, 2017
SOURCE: Trans clunking when slowing down
Sounds like youi may have a few serious problems going on to have that kind of back lash occuring at higher speeds. I have experiance with low spped clunks on Bronkos and your type of vech being a car dealer. One you might try for low speed clunk on take off and braking at stop likts just completeing a stop? Pull the drive shaft and lubricate the splin - two check your leaf springs for weakness and wore bushings - take a look at your shocks - three u bolts holding springs to rear axle housing may be letting the axle housing actually dip or tweak or all those thing in combination - now you may have some serious slop in the pig - transfer case may be causing that clunk - as far as high spped clunk and activity you have a serous problem and you just might drop the transferr case have an accident fliping over..............Mike South Bend Indiana don't just keep driving and making problem worst...........
Posted on Sep 27, 2008
it could be the sensors on the transmission itself or the torque converter I would take it to a place that is highly recommended and see what they have to say
Posted on Mar 21, 2009
it depends on the trans but ford had alot of problems with though years with the overdrive shift kit it is a band in the trans and it pop out and break you need to take to local trans shop and let them look at it and tell them the problem and they will take the trans out and crack it up and replace the part that need to be replace before you have to replace the whole trans the ford dealerships dont have the best trans people hate to say that but it true take to someone who specialize in trans only
Posted on Apr 05, 2009
Sounds like the modulator or a vacuum line..
The modulator tells the trani when to shift and is controled by vacuum presure..
Check for damaged or disconnected vacuum lines stemming from the trani..
Or maybe the modulator linkage is stuck..
Changing the fluid is a good idea too..
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Posted on Jul 31, 2009
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
Posted on Oct 03, 2009
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