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Car Forum / Ford / Ford Trucks / November 2006

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how to check u joints

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Tom - 31 Oct 2006 17:09 GMT
is there a way to check u-joints while in truck,mainly front axles
Matt Macchiarolo - 31 Oct 2006 22:30 GMT
try to rotate them by hand, if you feel any slop in the joint, it's toast.
That's about all you can do without removal.

> is there a way to check u-joints while in truck,mainly front axles
Marlin Singer - 31 Oct 2006 22:51 GMT
> try to rotate them by hand, if you feel any slop in the joint, it's toast.
> That's about all you can do without removal.
>
>> is there a way to check u-joints while in truck,mainly front axles

Another question is how old are they? If an F150, the last time they use
u-joints in them was 1996. If so and you have OE, it might be worth
replacing them, especially since Ford does not put grease fitting in them.
Marlin Singer - 01 Nov 2006 00:31 GMT
>> try to rotate them by hand, if you feel any slop in the joint, it's
>> toast. That's about all you can do without removal.
[quoted text clipped - 4 lines]
> u-joints in them was 1996. If so and you have OE, it might be worth
> replacing them, especially since Ford does not put grease fitting in them.
I should have said front u-joints on the axle. Drive shaft naturally has
them front and rear.
Tom - 01 Nov 2006 04:08 GMT
Truck is a 94 ranger extened cab,has 74000 miles,bought it off e-bay,a real
joke,when you go into 4 wheel drive a pause than a clunk,pulls fine,you have
to back up a few feet for it to go back to 2 wheel drive,also has a
viberation not real bad but getting worse seems to be in rear,u joints were
my thoughts,they seem tight maybe lack of grease could cause the vib,I know
e-bay is buyer beware.
>>> try to rotate them by hand, if you feel any slop in the joint, it's
>>> toast. That's about all you can do without removal.
[quoted text clipped - 7 lines]
> I should have said front u-joints on the axle. Drive shaft naturally has
> them front and rear.
Whitelightning - 01 Nov 2006 04:18 GMT
> Truck is a 94 ranger extened cab,has 74000 miles,bought it off e-bay,a real
> joke,when you go into 4 wheel drive a pause than a clunk,pulls fine,you have
> to back up a few feet for it to go back to 2 wheel drive,also has a
> viberation not real bad but getting worse seems to be in rear,u joints were
> my thoughts,they seem tight maybe lack of grease could cause the vib,I know
> e-bay is buyer beware.

If you got it cheap enough, its not an issue.

does the truck have a suspension lift kit on it?
have you checked the transfer case fluid level?
I've had a few 4x4s over the years that had to back up to get them out of
all wheel drive, none of them I will add had a good old fashioned shift
lever'
The problems we get because we are too damn lazy to shove a lever, and lock
in some hubs.

Whitelightning
Tom - 01 Nov 2006 13:35 GMT
no lift

>> Truck is a 94 ranger extened cab,has 74000 miles,bought it off e-bay,a
> real
[quoted text clipped - 19 lines]
>
> Whitelightning
Whitelightning - 05 Nov 2006 00:38 GMT
> no lift

Ok that rules out that thought, if the diffs aren't shimmed at the spring
perch
to correct the angle between the drive shaft and the pinion when lifted, you
can get binding and vibration.

Whitelightning
Ollie - 01 Nov 2006 05:40 GMT
Remember, switching from 2wd to 4wd you add a sh*tload of moving parts that
will make the drive train a lot more noisy and will have more vibrations.

Are you sure you know how to use 4wd ???? not trying to be an a.s but you
might be chasing something that's normal

NEVER/EVER on hard surface , this will cause binding on the drive train and
cause clunking etc.

Maybe you want to spend $75 to $100 and let somebody (dealer/4wd shop) check
the 4wd system, that's cheaper then throwing parts @ it on parts it doesn't
need

> Truck is a 94 ranger extened cab,has 74000 miles,bought it off e-bay,a
> real joke,when you go into 4 wheel drive a pause than a clunk,pulls
[quoted text clipped - 13 lines]
>> I should have said front u-joints on the axle. Drive shaft naturally has
>> them front and rear.
Luba Papageorgio - 01 Nov 2006 13:30 GMT
13 years is showing more than 74k miles.  Sounds like it's working fine,
just asking for some grease maintenance.

> Truck is a 94 ranger extened cab,has 74000 miles,bought it off e-bay,a
> real joke,when you go into 4 wheel drive a pause than a clunk,pulls
[quoted text clipped - 13 lines]
>> I should have said front u-joints on the axle. Drive shaft naturally has
>> them front and rear.
 
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