From: CrashTestDummy on
On Sat, 02 Jun 2007 19:52:15 -0700, dsc-ky <CornmanD(a)gmail.com> wrote:


>I had an 81 Toyota 4x4. They were notorious for blowing pinion seals
>and they also often needed timing chains @100K miles. A buddy of mine
>had an 86... don't think he ever blew the pinion seal, but did get a
>timing chain right on 100K. My wife had an 89... I caught the pinion
>the first time and had it replaced... didn't catch it in time the
>second time and had to put in a used rear end. It also got the timing
>chain at or about 100K miles. It also required a mid shaft bearing
>early on... maybe 20K miles.
>
>Many of the cars (Camrys in particular) need a rear main seal by
>150K... they get hard and brittle and start to leak. Toyotas aren't
>perfect either.


I've owned two Toyota trucks and two Toyota Celicas (all
mid-to-late '70s models, 20R motors). I only ever replaced one timing
chain, and that was only because I was already installing a new rally
cam and some other stuff. Never had a pinion fail on any of the three,
and two of the vehicles had over 200k on 'em. What *did* seem to fail
with some regularity was stuff like voltage regulators, water pumps
and alternators. Clutches never seemed to last all that long either.
But the single biggest weakness on those 20R motors was the factory
carburetion. A single Webber downdraft carb (and K&N air cleaner)
would work flawlessly and make you think you were driving a whole
different vehicle! (Even if that was the only performance change you
made). Those old Celicas had two (inline) driveshafts, and I never
even replaced a single u-joint.

My buddy had an '81 Toyota pick-up with the 22R and he never had
any trouble with his either. Well, except for the time we put big dune
buggy tires on the back and took it to Sand Lake... his rear fender
wells got toasted pretty good in short order. ;-> Plus we got stuck
several times before we could get back to the parking lot. You had to
go slow to prevent the tires from rubbing, but without momentum the
thing we could stuck real easy. It was just a bad idea in general.

I agree though, no vehicle is perfect.





Fred Bradford - CrashTestDummy
f.j.bradfordREMOVE(a)verizon.net
From: dsc-ky on
On Jun 3, 2:23 am, CrashTestDummy <f.j.bradfordREM...(a)verizon.net>
wrote:
> On Sat, 02 Jun 2007 19:52:15 -0700, dsc-ky <Cornm...(a)gmail.com> wrote:
> >I had an 81 Toyota 4x4. They were notorious for blowing pinion seals
> >and they also often needed timing chains @100K miles. A buddy of mine
> >had an 86... don't think he ever blew the pinion seal, but did get a
> >timing chain right on 100K. My wife had an 89... I caught the pinion
> >the first time and had it replaced... didn't catch it in time the
> >second time and had to put in a used rear end. It also got the timing
> >chain at or about 100K miles. It also required a mid shaft bearing
> >early on... maybe 20K miles.
>
> >Many of the cars (Camrys in particular) need a rear main seal by
> >150K... they get hard and brittle and start to leak. Toyotas aren't
> >perfect either.
>
> I've owned two Toyota trucks and two Toyota Celicas (all
> mid-to-late '70s models, 20R motors). I only ever replaced one timing
> chain, and that was only because I was already installing a new rally
> cam and some other stuff. Never had a pinion fail on any of the three,
> and two of the vehicles had over 200k on 'em. What *did* seem to fail
> with some regularity was stuff like voltage regulators, water pumps
> and alternators. Clutches never seemed to last all that long either.
> But the single biggest weakness on those 20R motors was the factory
> carburetion. A single Webber downdraft carb (and K&N air cleaner)
> would work flawlessly and make you think you were driving a whole
> different vehicle! (Even if that was the only performance change you
> made). Those old Celicas had two (inline) driveshafts, and I never
> even replaced a single u-joint.
>
> My buddy had an '81 Toyota pick-up with the 22R and he never had
> any trouble with his either. Well, except for the time we put big dune
> buggy tires on the back and took it to Sand Lake... his rear fender
> wells got toasted pretty good in short order. ;-> Plus we got stuck
> several times before we could get back to the parking lot. You had to
> go slow to prevent the tires from rubbing, but without momentum the
> thing we could stuck real easy. It was just a bad idea in general.
>
> I agree though, no vehicle is perfect.

It's just sometimes Toyota owners seem to view the world through very
rosey glasses. :)
I'm not knocking them... in general they are very good vehicles. but
I'm not sure their reputation doesn't far exceed reality.

From: Dean H. on
>> blowing pinion seals
>>u-joint.

So, for this week's Chevy quiz:
I've noticed a ticking noise which varies directly with road speed
(independant of engine speed). I can only hear it at low speeds if I'm next
to a building or some other sound-reflecting object. U-joint seems like the
most probable culprit, although it all seemed plenty tight last weekend with
a very casual inspection. Maybe my pencil arms don't generate the same kind
of forces a 305 does. I'm not sure it's any more of a problem than a little
ticking noise, so I'm not panicked. I think it's been there a while and I'm
just listening a little harder now; paying a bit more attention. Maybe I'll
drop some fresh oil in the diff.

There is that magic time in a vehicle's life where stuff starts coming due.
For many, it's a good time to sell and let somebody else have what Chip
calls the second half of the vehicle. I think I'll ride it out with this
one.

Okay, enough rain now.


From: dsc-ky on
On Jun 4, 9:25 am, "Dean H." <m...(a)groove.calm> wrote:
> >> blowing pinion seals
> >>u-joint.
>
> So, for this week's Chevy quiz:
> I've noticed a ticking noise which varies directly with road speed
> (independant of engine speed). I can only hear it at low speeds if I'm next
> to a building or some other sound-reflecting object. U-joint seems like the
> most probable culprit, although it all seemed plenty tight last weekend with
> a very casual inspection. Maybe my pencil arms don't generate the same kind
> of forces a 305 does. I'm not sure it's any more of a problem than a little
> ticking noise, so I'm not panicked. I think it's been there a while and I'm
> just listening a little harder now; paying a bit more attention. Maybe I'll
> drop some fresh oil in the diff.
>
> There is that magic time in a vehicle's life where stuff starts coming due.
> For many, it's a good time to sell and let somebody else have what Chip
> calls the second half of the vehicle. I think I'll ride it out with this
> one.
>
> Okay, enough rain now.

Exhaust leak???
Weak lifter???

From: Dean H. on

"dsc-ky" <CornmanD(a)gmail.com> wrote in message
news:1181009171.794911.34960(a)k79g2000hse.googlegroups.com...
> On Jun 4, 9:25 am, "Dean H." <m...(a)groove.calm> wrote:
>> >> blowing pinion seals
>> >>u-joint.
>>
>> So, for this week's Chevy quiz:
>> I've noticed a ticking noise which varies directly with road speed
>> (independant of engine speed). I can only hear it at low speeds if I'm
>> next
>> to a building or some other sound-reflecting object. U-joint seems like
>> the
>> most probable culprit, although it all seemed plenty tight last weekend
>> with
>> a very casual inspection. Maybe my pencil arms don't generate the same
>> kind
>> of forces a 305 does. I'm not sure it's any more of a problem than a
>> little
>> ticking noise, so I'm not panicked. I think it's been there a while and
>> I'm
>> just listening a little harder now; paying a bit more attention. Maybe
>> I'll
>> drop some fresh oil in the diff.
>>
>> There is that magic time in a vehicle's life where stuff starts coming
>> due.
>> For many, it's a good time to sell and let somebody else have what Chip
>> calls the second half of the vehicle. I think I'll ride it out with this
>> one.
>>
>> Okay, enough rain now.
>
> Exhaust leak???
> Weak lifter???

Goes with road speed, not engine speed. Those would go with engine speed.


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