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318 engine vibration
#729478 October 31st 2017 6:12 pm
Joined: Sep 2017
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currently on my way back to Fla. from N.H. - VT
82 B150 318 has developed a vibration in the motor.
between 40 & 60 mph , not violent but annoying.
Any ideas or mechanics input appreciated.

post or text me.
352-304-7355

Re: 318 engine vibration
Geet #729491 November 01st 2017 11:07 am
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First thing I would check is u-joints on the driveshaft.


Windows- they're what make a van worth owning!
Re: 318 engine vibration
Geet #729767 November 12th 2017 9:35 pm
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been north and south on this drivetrain new u joints.. balanced the drive shaft... checke rear and spider gears.... harmonic balance next.

dropped it off with the mechanic once we got home.... long strange trip but tons of fun.... ready to winter back n Ocala.

Re: 318 engine vibration
Geet #729775 November 13th 2017 4:15 pm
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Where do you feel it?


Tucson-it's a dry heat...like an oven
Re: 318 engine vibration
Geet #729776 November 13th 2017 4:30 pm
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Next on my list of things to check is the wheel balance of every wheel.


Windows- they're what make a van worth owning!
Re: 318 engine vibration
Geet #729777 November 13th 2017 7:01 pm
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How old are the tires and check the play on the water pump shaft and that you don't have a broken blade or fin on your fan blade.

Re: 318 engine vibration
Geet #729781 November 14th 2017 7:43 am
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so far...
non weighted harmonic balance...
fan blades chk.
water pump chk
factory slot wheels new rubber... spin balanced and done again since.
trans mech is looking at touque conv. again... see how that goes.

appreciate the input!!!... hope to run it this weekend

Re: 318 engine vibration
Geet #729817 November 15th 2017 1:09 pm
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Where does the vibration occur? If it happens at 55 MPH, find out the rpm that your turning at 55 MPH and then rev the motor IN NEUTRAL to that RPM number. If the vibration is gone-it's not the convertor.


Tucson-it's a dry heat...like an oven
Re: 318 engine vibration
Geet #729866 November 17th 2017 11:34 am
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1800 rpm parked...

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