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318 engine vibration #729478
October 31st 2017 5:12 pm
October 31st 2017 5:12 pm
Joined: Sep 2017
Posts: 25
ocala, fl
G
Geet Offline OP
newbie
Geet  Offline OP
newbie
G
Joined: Sep 2017
Posts: 25
ocala, fl
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 [Re: Geet] #729491
November 01st 2017 10:07 am
November 01st 2017 10:07 am
Joined: Aug 2001
Posts: 11,428
Fircrest, WA
Reed Offline
Maniac
Reed  Offline
Maniac
Joined: Aug 2001
Posts: 11,428
Fircrest, WA
First thing I would check is u-joints on the driveshaft.


Windows- they're what make a van worth owning!
Re: 318 engine vibration [Re: Geet] #729767
November 12th 2017 8:35 pm
November 12th 2017 8:35 pm
Joined: Sep 2017
Posts: 25
ocala, fl
G
Geet Offline OP
newbie
Geet  Offline OP
newbie
G
Joined: Sep 2017
Posts: 25
ocala, fl
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 [Re: Geet] #729775
November 13th 2017 3:15 pm
November 13th 2017 3:15 pm
Joined: Mar 2016
Posts: 274
Tucson,Az.
H
Hasan Ben Sobar Offline
enthusiast
Hasan Ben Sobar  Offline
enthusiast
H
Joined: Mar 2016
Posts: 274
Tucson,Az.
Where do you feel it?


Tucson-it's a dry heat...like an oven
Re: 318 engine vibration [Re: Geet] #729776
November 13th 2017 3:30 pm
November 13th 2017 3:30 pm
Joined: Aug 2001
Posts: 11,428
Fircrest, WA
Reed Offline
Maniac
Reed  Offline
Maniac
Joined: Aug 2001
Posts: 11,428
Fircrest, WA
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 [Re: Geet] #729777
November 13th 2017 6:01 pm
November 13th 2017 6:01 pm
Joined: Jan 2001
Posts: 1,922
Kellettville, PA
M
Meanmachine Offline
veteran
Meanmachine  Offline
veteran
M
Joined: Jan 2001
Posts: 1,922
Kellettville, PA
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 [Re: Geet] #729781
November 14th 2017 6:43 am
November 14th 2017 6:43 am
Joined: Sep 2017
Posts: 25
ocala, fl
G
Geet Offline OP
newbie
Geet  Offline OP
newbie
G
Joined: Sep 2017
Posts: 25
ocala, fl
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 [Re: Geet] #729817
November 15th 2017 12:09 pm
November 15th 2017 12:09 pm
Joined: Mar 2016
Posts: 274
Tucson,Az.
H
Hasan Ben Sobar Offline
enthusiast
Hasan Ben Sobar  Offline
enthusiast
H
Joined: Mar 2016
Posts: 274
Tucson,Az.
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 [Re: Geet] #729866
November 17th 2017 10:34 am
November 17th 2017 10:34 am
Joined: Sep 2017
Posts: 25
ocala, fl
G
Geet Offline OP
newbie
Geet  Offline OP
newbie
G
Joined: Sep 2017
Posts: 25
ocala, fl
1800 rpm parked...

Re: 318 engine vibration [Re: Geet] #729874
November 17th 2017 11:37 pm
November 17th 2017 11:37 pm
Joined: Mar 2016
Posts: 274
Tucson,Az.
H
Hasan Ben Sobar Offline
enthusiast
Hasan Ben Sobar  Offline
enthusiast
H
Joined: Mar 2016
Posts: 274
Tucson,Az.
Not the trans, shaft or wheels. Odds are the balancer. possibility of the convertor if it was off by a bunch and they had to use a good size weight to bring it to "zero" and it "chucked " the weight. 318's are neutral balanced, meaning the balancer & convertor or flywheel /clutch are balanced to zero. This all so assumes all other ancillary components are working as intended. How does it run other-wise?

Last edited by Hasan Ben Sobar; November 17th 2017 11:38 pm.

Tucson-it's a dry heat...like an oven
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