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Ford F350 Repair Questions
Question: 2001 Ford F350 Mileage: 73,000. My truck has a 6-speed transmission.
On occasions, I have pulled up to a red light and sat at the light with the clutch
engaged while waiting for the light to change. All of a
sudden, the truck started taking off even though I had not let off the clutch. After
taking off, the clutch went back to working properly but then the same thing happened
about 4 hours later. The clutch itself does not seem bad. It does not slip or
do anything unusual when driving.
Answer: We suspect that your clutch master cylinder is occasionally bypassing
the internal seals. Rebuilding or replacing the cylinder is the only solution.
Question: 2002 Ford F-350 mileage: 27,000: What is the problem with the
automatic locking hubs? They worked once and that is it�this is the second set.
What is the fix?
Answer: We have found that dirt and water entering the automatic locking
hubs for the 4-wheel drive causes them to malfunction. Inspect the seals and clean
the locking hubs.
Question: 1996 F-350 mileage: 116,000. OD light starts
flashing every once in a while. Then transmission shifts rough. Took to transmission
guy, he said transmission was fine; it was some kind of other problem Code he gave
me was P1728. Ford dealer today told me code says slippage and need new transmission
or overhaul $$$$$$. When you unhook battery, for few minutes, it resets itself and
then the truck runs great, no problems with transmission shifts until the next time.
I have found a lot of people on the Internet with same problem, haven't found anyone
who had solution. Can you help?
Answer: P1728 indicates that the transmission is slipping. When
the computer that controls the transmission detects a fault code like P1728, it
will put the transmission into a "limp" mode. When you unhooked the battery, the
code is cleared and the transmission will function properly until the slippage occurs
again. To resolve this problem, you will need to get your transmission overhauled.
Question: 2000 Ford F-350 mileage: 100,800. Truck suddenly
dumped all of the transmission fluid out of vent tube in the dustcover under the
flywheel, what happened?
Answer: It sounds as if the front seal has "popped" out of the
front pump of the transmission.
Question: 1999 Ford F-350 crew
cab 4x4 Cummins mileage: 120,000 truck. My brakes from day one were not the
best. I put in a Cummins diesel and now I pull big loads. I can�t panic stop
and they seem mushy. I replaced everything the vac booster, master cyl, proportioning
valve, calipers. Now its worse. I have bled them several times and adjusted
my rears up close. Sometimes they shutter when I stop hard and now even pull
to one side. I know the R.A.B anti lock things don�t work right because
my rears will lock up. I don�t get any fault codes ...now what? Greg
Answer: We suspect that rear
antilock break valve is faulty here. Also, check the vacuum supply to
the power brake booster to make sure it is sufficient.
Question: 2002 Ford F-350 mileage:
88,000. Changed slave cylinder on transmission, having a hard time bleeding
air out. There is no bleeder on cylinder or on the master. Am wondering
what to do to bleed it. Thanks in advance for your help
Answer: The clutch slave and
master cylinder are self-bleeding. This is done by gently done by gently tapping
the clutch pedal.
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Ford F350 Repair Questions
Question: 1999 Ford F-350 crew
cab mileage: 110,000. We have replaced the fuel pumps, O� sensor, temp sensor,
troubleshoot the map sensor, EGR, injectors, PCM, check timing, comp test, we used
a breakout box to check circuits and a snap-on analyzer for codes. We still
get code 173 running rich and continually stays in open loop, the fuel pumps were
replaced because the pressure was over 80 psi. The vehicle is a security truck
that sits at idle for long periods of time, rarely drives over 30 mph, also lack
of power. Thanks for your time.
Answer: Check the catalytic converter to make sure it is not �plugged�
or restricted. Also, check the fuel pressure regulator.
Question: 1995 Ford F-350
Van mileage: 122,000. Having trouble with cold starts on this work vehicle.
When cranking to start, sounds as if engine is not getting fuel, but it usually
starts after prolonged cranking and pumping of accelerator. We have had fuel
pump changed, injectors, fuel filter, cold start solenoid, and there has been little
improvement. As a result, starter and battery are taking a beating from all
the extra starting work. This problem seems to be directly related to the
temperature in our shop. We have heat in the garage, but it only keeps the
place about 50� or so. When we get cold weather (10� - 15� today) the
problem gets worse. Would a crankcase heater help this problem? I know
larger diesel trucks have plug-in warmers for winter use. Is this something
we should look into? How difficult is it to install? Appreciate any
ideas you can offer.
Answer: Your hard
start problems may be caused by a faulty fuel pump that supplies fuel to the main
injector pump. As for the warmers, check out the fuel pump first since you
have apparently gotten by for a long time without them in the past.
Question:
1999 Ford F-350 mileage: 112,000. My brake pedal slowly bleeds down as in a
defective master cylinder, but we changed that twice. The rear brakes have
been adjusted, the system bled and we have 20+ inches of vacuum at idle. (A
Ford mechanic told me that insufficient vacuum can cause this. He also told
me that as far as he knows, a defective ABS unit can�t be the cause). What
is the cause? It does not bleed-down with the engine off (no vacuum).
Answer:
You have either another bad master cylinder or a leak somewhere in the hydraulic
brake system.
Question: 1989 Ford F-350 single
rear wheel mileage: 30,000. I have a 1989 F-350 that is giving me considerable
sway getting up to highway speed and on deceleration but not so much at cruising
speed. I have new 10 ply radials, balanced, proper inflation, etc. I
have 3'' springs, 6 leafs. I have utility body, welder, torches, and tools
on board, but am well under gross vehicle weight. Leaf springs do have a little
squat to them. Would helper springs be in order or should I be looking elsewhere?
Also has rear anti-sway bar.
Answer: Your swaying
problem may be due to worn out or weak shock absorbers. You mentioned new
10 ply radial tires � we are assuming that all four tires are new 10 ply radials.
If only two tires are radial and the other two are bias ply, this most likely is
the cause of your swaying problem.
Question: 2002 Ford F-350 mileage:
65,000. Truck acts as if it runs out of gas - changed fuel filters check timing
gave complete tune-up changed fuel pump relays. Gas is getting to carburetor;
what else could it be?
Answer: Check the
compression; you may be ready for a valve job. Also, check the plug wires
and coil output.
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Ford F350 Repair Questions
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