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From: SMS on 25 Dec 2009 09:39
My next door neighbor's '89 Cressida was gone from the driveway and he
told me that the "flow valve" needed replacement. Finally I figured out
that what he meant was the exhaust manifold needed replacement (the
mechanic's English is not too good, and my neighbor doesn't have any
idea of the various engine parts).

He said that the mechanic said that this was a common problem with the
Cressida engines of that era. He also said that it would take a while as
something had to be sent out to a machine shop, and they would be closed
until Monday. So what would they be machining? Do they machine the
manifold and then reinstall it with a new gasket or does something on
the engine need to be machined as well. I had two blown exhaust manifold
gaskets on my '85 Land Cruiser, and the new ones didn't seem to last
more than six months, and it was a common issue with the 2F engine.

The cost is $1300. Ouch, though IIRC back in the 1990's I was paying
about $600 for the machining and gasket replacement. He's making noises
about giving up on Toyota and switching to Honda, though IMVAIO one
major repair in 20 years should not be grounds for changing brands.
From: Hachiroku ハチロク on 25 Dec 2009 13:51
On Fri, 25 Dec 2009 06:39:16 -0800, SMS wrote:

> My next door neighbor's '89 Cressida was gone from the driveway and he
> told me that the "flow valve" needed replacement. Finally I figured out
> that what he meant was the exhaust manifold needed replacement (the
> mechanic's English is not too good, and my neighbor doesn't have any idea
> of the various engine parts).
>
> He said that the mechanic said that this was a common problem with the
> Cressida engines of that era. He also said that it would take a while as
> something had to be sent out to a machine shop, and they would be closed
> until Monday. So what would they be machining? Do they machine the
> manifold and then reinstall it with a new gasket or does something on the
> engine need to be machined as well. I had two blown exhaust manifold
> gaskets on my '85 Land Cruiser, and the new ones didn't seem to last more
> than six months, and it was a common issue with the 2F engine.
>
> The cost is $1300. Ouch, though IIRC back in the 1990's I was paying about
> $600 for the machining and gasket replacement. He's making noises about
> giving up on Toyota and switching to Honda, though IMVAIO one major repair
> in 20 years should not be grounds for changing brands.

The only flow valve I can find is associated with the 7M-GTE Turbo motor.
I don't think any of these were installed in Cressidas.

Maybe your neighbor is getting his chain yanked, or he somehow got a
Cressida with a 7M-GTE engine...



From: Hachiroku ハチロク on 25 Dec 2009 15:11
On Fri, 25 Dec 2009 06:39:16 -0800, SMS wrote:

> My next door neighbor's '89 Cressida was gone from the driveway and he
> told me that the "flow valve" needed replacement. Finally I figured out
> that what he meant was the exhaust manifold needed replacement (the
> mechanic's English is not too good, and my neighbor doesn't have any idea
> of the various engine parts).
>
> He said that the mechanic said that this was a common problem with the
> Cressida engines of that era. He also said that it would take a while as
> something had to be sent out to a machine shop, and they would be closed
> until Monday. So what would they be machining? Do they machine the
> manifold and then reinstall it with a new gasket or does something on the
> engine need to be machined as well. I had two blown exhaust manifold
> gaskets on my '85 Land Cruiser, and the new ones didn't seem to last more
> than six months, and it was a common issue with the 2F engine.
>
> The cost is $1300. Ouch, though IIRC back in the 1990's I was paying about
> $600 for the machining and gasket replacement. He's making noises about
> giving up on Toyota and switching to Honda, though IMVAIO one major repair
> in 20 years should not be grounds for changing brands.

Never mind what I said before. This car is scrap. If he pays me $200, I'll
take it off his hands...



From: Ray O on 25 Dec 2009 21:35

"SMS" <scharf.steven(a)geemail.com> wrote in message
news:4b34ce7a$0$1676$742ec2ed(a)news.sonic.net...
> My next door neighbor's '89 Cressida was gone from the driveway and he
> told me that the "flow valve" needed replacement. Finally I figured out
> that what he meant was the exhaust manifold needed replacement (the
> mechanic's English is not too good, and my neighbor doesn't have any idea
> of the various engine parts).
>
> He said that the mechanic said that this was a common problem with the
> Cressida engines of that era. He also said that it would take a while as
> something had to be sent out to a machine shop, and they would be closed
> until Monday. So what would they be machining? Do they machine the
> manifold and then reinstall it with a new gasket or does something on the
> engine need to be machined as well. I had two blown exhaust manifold
> gaskets on my '85 Land Cruiser, and the new ones didn't seem to last more
> than six months, and it was a common issue with the 2F engine.
>
> The cost is $1300. Ouch, though IIRC back in the 1990's I was paying about
> $600 for the machining and gasket replacement. He's making noises about
> giving up on Toyota and switching to Honda, though IMVAIO one major repair
> in 20 years should not be grounds for changing brands.

There is nothing to machine when replacing the exhaust manifold unless the
head is warped. A warped head doesn't necessarily require a new exhaust
manifold. What is the symptom that led your neighbor to bring the car to
the shop?

I recommend finding a technician that speaks English well enough to
communicate effectively.
--

Ray O
(correct punctuation to reply)


From: C. E. White on 25 Dec 2009 22:17

"Ray O" <rokigawa(a)NOSPAMtristarassociates.com> wrote in message
news:hh3srb$pmf$2(a)news.eternal-september.org...
>
> "SMS" <scharf.steven(a)geemail.com> wrote in message
> news:4b34ce7a$0$1676$742ec2ed(a)news.sonic.net...
>> My next door neighbor's '89 Cressida was gone from the driveway and he
>> told me that the "flow valve" needed replacement. Finally I figured out
>> that what he meant was the exhaust manifold needed replacement (the
>> mechanic's English is not too good, and my neighbor doesn't have any idea
>> of the various engine parts).
>>
>> He said that the mechanic said that this was a common problem with the
>> Cressida engines of that era. He also said that it would take a while as
>> something had to be sent out to a machine shop, and they would be closed
>> until Monday. So what would they be machining? Do they machine the
>> manifold and then reinstall it with a new gasket or does something on the
>> engine need to be machined as well. I had two blown exhaust manifold
>> gaskets on my '85 Land Cruiser, and the new ones didn't seem to last more
>> than six months, and it was a common issue with the 2F engine.
>>
>> The cost is $1300. Ouch, though IIRC back in the 1990's I was paying
>> about $600 for the machining and gasket replacement. He's making noises
>> about giving up on Toyota and switching to Honda, though IMVAIO one major
>> repair in 20 years should not be grounds for changing brands.
>
> There is nothing to machine when replacing the exhaust manifold unless the
> head is warped. A warped head doesn't necessarily require a new exhaust
> manifold. What is the symptom that led your neighbor to bring the car to
> the shop?

That engine is an inline 6 with a cast iron exhaust manifold. Long cast iron
manifolds like that are notorious for warping with age (and Toyota inline
6's are not alone in having that proplem). I doubt the head is the problem,
unless the manifold started leaking becasue of warping or a crack. If you
let it go too long, the escaping exhaust gases can erode the sealing surface
of the head. If that happens you will likely need to machine the surface of
the head that mates with the exhaust manifold. I can see this easily costing
more than $1300 if you need to repalce the exhaust manifold and have the
head machined. Heck almost any repair can run to $1300 these days.

Ed

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