Fixing Up Jenny

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LowBuckCanuck
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My tercel:: 1986 DLX 4wd Wagon "Jenny"

Re: Fixing Up Jenny

Post by LowBuckCanuck » Sun Jun 10, 2018 11:00 pm

Well, Jenny is insured and driving. Now that I've had it on the highway for a bit, I've noticed a puzzling issue. When under hard acceleration (bootin' it) there is a sort of throbbing vibration from the front drivetrain. If you've heard a glacially fed river in the spring melt, the rocks rolling in the river is what my drivetrain faintly sounds like. Usually only noticeable when accelerating between 30-80 km/hr. I have jacked up the front end and wiggled each wheel, and there isn't a unusual amount of free play. The wheels move smoothly. ¯\_(ツ)_/¯

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BaileySims
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Re: Fixing Up Jenny

Post by BaileySims » Mon Jun 11, 2018 6:40 am

Check gear oil level.
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LowBuckCanuck
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Re: Fixing Up Jenny

Post by LowBuckCanuck » Mon Jun 11, 2018 8:51 am

BaileySims wrote:
Mon Jun 11, 2018 6:40 am
Check gear oil level.
I'm planning on changing it soon. It would be sweet if that was my only problem!

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BaileySims
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Re: Fixing Up Jenny

Post by BaileySims » Mon Jun 11, 2018 9:29 am

LowBuckCanuck wrote:
Mon Jun 11, 2018 8:51 am
BaileySims wrote:
Mon Jun 11, 2018 6:40 am
Check gear oil level.
I'm planning on changing it soon. It would be sweet if that was my only problem!
The way you described it sounds like it is. Mine did the same. Got a few leaks I need to tend to. I'm losing about a quart a month. Normally when I fill it back up, the noise suppresses.
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splatterdog
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Re: Fixing Up Jenny

Post by splatterdog » Mon Jun 11, 2018 3:11 pm

A throbbing on acceleration is usually cv joint related. Figuring out which side can be tough if it isn't obvious.

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LowBuckCanuck
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Re: Fixing Up Jenny

Post by LowBuckCanuck » Mon Jun 11, 2018 9:37 pm

IMG_20180610_194843_341.jpg


Thought I should add a beauty pic.
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LowBuckCanuck
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My tercel:: 1986 DLX 4wd Wagon "Jenny"

Re: Fixing Up Jenny

Post by LowBuckCanuck » Fri Jun 15, 2018 8:38 pm

Well, is changed the tranny sauce, it was long overdue. I am now certain that it is the left front wheel bearing. Are the front wheel drive wheel bearings the same as the 4wd wagons? I remember this was a pain when sourcing rear wheel bearings.

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rer233
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Re: Fixing Up Jenny

Post by rer233 » Fri Jun 15, 2018 9:34 pm

FWD and 4WD front wheel brngs are the same. Keep in mind you'll need inner and outer seals and a press to change 'em.
if it aint there, there's a good chance it won't break!
83 SR5 Silver/Blue (Snowmobile/work beater)-totaled but drivable
85 SR5 Blue
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LowBuckCanuck
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Re: Fixing Up Jenny

Post by LowBuckCanuck » Fri Jun 15, 2018 11:17 pm

rer233 wrote:
Fri Jun 15, 2018 9:34 pm
FWD and 4WD front wheel brngs are the same. Keep in mind you'll need inner and outer seals and a press to change 'em.
Do the inner and outer seals usually come with the bearing?

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rer233
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Re: Fixing Up Jenny

Post by rer233 » Sat Jun 16, 2018 6:19 am

Not generally.
if it aint there, there's a good chance it won't break!
83 SR5 Silver/Blue (Snowmobile/work beater)-totaled but drivable
85 SR5 Blue
88 SR5 White (the 'good' one)-not anymore-totaled
87 fwd silver wagon a/t
87 4wd dx Cream (a/t- not anymore- now m/t)

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LowBuckCanuck
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Re: Fixing Up Jenny

Post by LowBuckCanuck » Thu Jun 21, 2018 9:21 am

I replaced the bearing and seals using a steel plate, a large socket, a bottle jack, and a JD350-B track loader. The hammering vibrations are gone, but it still makes a bit of a gravelly rumble on acceleration. It might be the right front wheel bearing going, but I'll just drive it for now. Nothing seems to be wrong besides the peculiar noise.

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BaileySims
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Re: Fixing Up Jenny

Post by BaileySims » Thu Jun 21, 2018 9:44 am

I'd check before you keep on driving it. When my wheel bearing blew out last month, the inner race was cracked and was allowing the hub to rotate whIle the race was not, taking a bunch of metal off the hub. Took me near 2 weeks to come by one. I thought hubs would be plentiful but I was wrong.
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Petros
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Re: Fixing Up Jenny

Post by Petros » Thu Jun 21, 2018 2:56 pm

a noise like that may not even be bearing related, but Baily is correct. You might just jack each of the front wheels up and rotate the wheels by hand, if they turn smoothly they are not likely at risk. Than you can drive it until either it goes away, or it gets so obvious it is easy to track down. That is my usual approach if I can not find a minor annoying noise. Make sure everything is safe, than just keep driving it.
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LowBuckCanuck
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Re: Fixing Up Jenny

Post by LowBuckCanuck » Thu Jun 21, 2018 10:27 pm

Petros wrote:
Thu Jun 21, 2018 2:56 pm
a noise like that may not even be bearing related, but Baily is correct. You might just jack each of the front wheels up and rotate the wheels by hand, if they turn smoothly they are not likely at risk. Than you can drive it until either it goes away, or it gets so obvious it is easy to track down. That is my usual approach if I can not find a minor annoying noise. Make sure everything is safe, than just keep driving it.
Couldn't of said it better myself.

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splatterdog
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Re: Fixing Up Jenny

Post by splatterdog » Fri Jun 22, 2018 12:05 pm

One way to judge wheel bearings is to hold on to the coil spring while rotating the tire. The spring amplifies any roughness in the bearing. I always use a stethoscope on the not completely obvious ones. What you hear from the drivers seat doesn't always end up where you thought it was. Had one that I thought for sure was the LF during the test drive, but it was RR.

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