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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

What I found today

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Old Dec 1, 2021 | 06:50 PM
  #1  
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What I found today

Well today I thought I could just change the shocks and the front pads on my $850 1991 F150, but noooo! Pulled the front wheels to get at the front shocks and switch out the pads. The pads on the passenger side looked pretty good. One pad on the driver's side was half the thickness of the other. Aftet struggling to remove the caliper, found the piston in the caliper was not returning. Removed the old pads, bled out some fluid to return the piston, put the new pads on the driver's side and found a slight warp in the rotor. Oh, and the brake fluid has junk in it. The brake piston on the driver's side isn't leaking, just not returning.
The alignment also looks off after raising the front. Both front wheels towed in severly. Time to consult a brake and alignment shop.

The shocks were not horrible, but they were worn.. The truck sits an inch higher at least. I put on Monroe gas magnums. Hallelujah for my neighbor he had the 15mm and two 18mm wrenches needed to get the nuts off and on. Actually I would probably still be outside watching my truck burn to the ground without him. 🙃

And the last thing was to change the wiper blades, which I did, but now I think the wiper motor needs replacing...the arms like to stop after a few swipes.
One thing at a time.
 
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Old Dec 2, 2021 | 06:25 AM
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Originally Posted by Moongypsy
One pad on the driver's side was half the thickness of the other. Aftet struggling to remove the caliper, found the piston in the caliper was not returning. Removed the old pads, bled out some fluid to return the piston, put the new pads on the driver's side and found a slight warp in the rotor. Oh, and the brake fluid has junk in it. The brake piston on the driver's side isn't leaking, just not returning.
The alignment also looks off after raising the front. Both front wheels towed in severly. Time to consult a brake and alignment shop.

And the last thing was to change the wiper blades, which I did, but now I think the wiper motor needs replacing...the arms like to stop after a few swipes.
One thing at a time.
Most likely the hose has collapsed inter only allowing fluid to return to the master cylinder. Rubber hoses don’t last forever. Personally, I’ve never seen a brake caliper leak around the piston. If it was leaking you wouldn’t have had trouble pushing the piston back in since leak would have allowed the fluid to go somewhere.

Jacking up a TIB or TTB suspension and then lowering it back down will make it look like the alignment is off. Completely normal.

No idea how changing the blades could have affected the motor.
 
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Old Dec 2, 2021 | 06:55 AM
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Sounds like a nice project on the go Moongypsy,

If I may make a suggestion, maybe start up a project thread from the beginning with pictures, helps keep continuity to everything rather than separate posts. Lot of good guys on here with suggestions and ideas to help out, and helps you keep track of it.

On the calipers, I’ve had internal corrosion in the bores make pistons stick, they will push out under pressure, but not return. Might be worth popping the piston out to have a look, or an exchange set of calipers to start with fresh.

 
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Old Dec 2, 2021 | 07:45 AM
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Thanks for the comments. I think the wiper motor was always intermittently running. The armature will restart when tapped. I haven't had the vehicle long enough to know it's quirks. I did read about the brake pistons siezing upon return, and brake lines. I'll put the truck back on the stands and have a look after the gale storm winds depart. I did get fluid to flow out of the bleeder, I'll look deeper into this too, and the tow.

I should have taken photos, but in the midst of battle I wasn't in the mindset. I am however pretty sore today from all the wrangling.
 
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Old Dec 2, 2021 | 08:48 AM
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Reman calipers are pretty inexpensive, I would just get a replacement. Best practice is to do both at once.
 
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Old Dec 2, 2021 | 10:46 AM
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Agreed on fresh soft lines, too inexpensive to not replace. Make sure to have some line wrenches for when you disassemble as you will probably round the fitting otherwise. Swap that rear line and give the system a full flush. Brake fluid is inexpensive enough.

I also suggest running later J-hook style wiper arms, 1993 or 1994 Ford installed them on these trucks. Those pin type are always a pain in the butt with age due to metal wear.
 
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Old Dec 2, 2021 | 12:34 PM
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Originally Posted by Hit Man X
Agreed on fresh soft lines, too inexpensive to not replace. Make sure to have some line wrenches for when you disassemble as you will probably round the fitting otherwise. Swap that rear line and give the system a full flush. Brake fluid is inexpensive enough.

I also suggest running later J-hook style wiper arms, 1993 or 1994 Ford installed them on these trucks. Those pin type are always a pain in the butt with age due to metal wear.
LOL I took the J hook arms off my 96 & put the pin style on. I like them better & they don't stick up as far. Different strokes...
 
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Old Dec 2, 2021 | 01:12 PM
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Those pins are the bane of my existence!
 
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