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Car Forum / Honda Cars / August 2006

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non-interference engine

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Michael Rose - 13 Aug 2006 16:41 GMT
I was looking at a 2006 Honda Civic and I asked the saleman if the engine
was a Non-interference engine and I got a blank look
 So guys help me out here...is it or isn't it!....Thanks
jim beam - 13 Aug 2006 16:48 GMT
> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
> was a Non-interference engine and I got a blank look
>   So guys help me out here...is it or isn't it!....Thanks

why does it bother you?
Steve Mackie - 13 Aug 2006 16:50 GMT
> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
> was a Non-interference engine and I got a blank look
>   So guys help me out here...is it or isn't it!....Thanks

Why would it matter if it is or it isn't?
Michael Rose - 13 Aug 2006 20:20 GMT
Very simple....if it is a non-interference engine and your timing belt or
chain breaks it doesn't hurt the engine....
>> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
>> was a Non-interference engine and I got a blank look
>>   So guys help me out here...is it or isn't it!....Thanks
>
> Why would it matter if it is or it isn't?
Steve Mackie - 13 Aug 2006 23:22 GMT
In all my years, I've spun more bearings (2) than I've ever broken a timing
chain (0), or belt for that matter.

Again, why would it matter if it is or it isn't? Do you plan on not
maintaining your vehicle after you purchase it?

Steve

> Very simple....if it is a non-interference engine and your timing belt or
> chain breaks it doesn't hurt the engine....
[quoted text clipped - 3 lines]
> >
> > Why would it matter if it is or it isn't?
Michael Pardee - 14 Aug 2006 00:10 GMT
> Again, why would it matter if it is or it isn't? Do you plan on not
> maintaining your vehicle after you purchase it?
>
> Steve

Even an engine maintained on schedule is susceptible to sudden death by
valve crash. Usually that comes from water pump failure if the water pump is
driven by the timing belt. In that respect chain driven engines are "safer."

Mike
jim beam - 14 Aug 2006 03:23 GMT
> Very simple....if it is a non-interference engine and your timing belt or
> chain breaks it doesn't hurt the engine....

if you maintain the engine as it's supposed to be, this will *never* be
an issue.  you run more danger of wheel bolts fatiguing than you do
having a belt/chain break on a properly maintained engine.  and get some
perspective on cost/benefit of failure vs. performance/economy of
interference engines.

come to think of it, this thread smells of fud.

>>> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
>>> was a Non-interference engine and I got a blank look
>>>   So guys help me out here...is it or isn't it!....Thanks
>> Why would it matter if it is or it isn't?
High Tech Misfit - 13 Aug 2006 16:55 GMT
> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
> was a Non-interference engine and I got a blank look
>   So guys help me out here...is it or isn't it!....Thanks

I don't know, but it doesn't matter because the engine uses a timing chain
instead of a belt.
Matt Ion - 13 Aug 2006 20:03 GMT
>>I was looking at a 2006 Honda Civic and I asked the saleman if the engine
>>was a Non-interference engine and I got a blank look
>>  So guys help me out here...is it or isn't it!....Thanks
>
> I don't know, but it doesn't matter because the engine uses a timing chain
> instead of a belt.

Don't count on it "not mattering" for that... my old GLC died a messy death when
an improperly-adjusted timing chain slipped a tooth.
Gordon McGrew - 14 Aug 2006 00:51 GMT
>>>I was looking at a 2006 Honda Civic and I asked the saleman if the engine
>>>was a Non-interference engine and I got a blank look
[quoted text clipped - 5 lines]
>Don't count on it "not mattering" for that... my old GLC died a messy death when
>an improperly-adjusted timing chain slipped a tooth.

I think it is more a question of good engineering vs. bad engineering.
Saturn owners have a lot more problems with the chains than Honda
owners have with the belts.  Ironic, as the Saturn dealers pitched the
chain as being superior to Honda's belts.

We will see if these new Honda chain engines can routinely go 200K on
the original chains.  I am assuming that a chain replacement will end
up costing twice as much as a belt.

Also, how hard is it to change the water pump in these cars?  Do you
have to remove the chain?
Joe LaVigne - 14 Aug 2006 07:28 GMT
>>>>I was looking at a 2006 Honda Civic and I asked the saleman if the engine
>>>>was a Non-interference engine and I got a blank look
[quoted text clipped - 17 lines]
> Also, how hard is it to change the water pump in these cars?  Do you
> have to remove the chain?

The salesman that sold me my 06 Si said that it was a timing belt, and the
scheduled maintenance for it was 100K.  Is that incorrect?

Signature

Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 8/14/2006 2:27:47 AM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

"If you were waiting for the oppurtune moment ... that was it."
--Jack Sparrow, "Pirates of the Carribean"

High Tech Misfit - 14 Aug 2006 13:22 GMT
> The salesman that sold me my 06 Si said that it was a timing belt, and the
> scheduled maintenance for it was 100K.  Is that incorrect?

It is incorrect.  It uses a timing chain.
Joe LaVigne - 17 Aug 2006 08:38 GMT
>> The salesman that sold me my 06 Si said that it was a timing belt, and the
>> scheduled maintenance for it was 100K.  Is that incorrect?
>
> It is incorrect.  It uses a timing chain.

Thanks.  

Does this mean that there is no scheduled maintenance for the chain?

If so, it looks like just fluids, brakes and 100K tune-ups.  Not bad for
maintenance costs...

Signature

Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 8/17/2006 3:37:06 AM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

Scarecrow (Ray Bolger): I haven't got a brain... only straw.
Dorothy (Judy Garland): How can you talk if you haven't got a brain?
Scarecrow: I don't know... But some people without brains do an awful lot
of talking... don't they?
Dorothy: Yes, I guess you're right.
~ "Wizard of Oz "

'Curly Q. Links' - 14 Aug 2006 16:11 GMT
> The salesman that sold me my 06 Si said that it was a timing belt, and the
> scheduled maintenance for it was 100K.  Is that incorrect?

--------------------------------

The 06 Si comes with a FINE manual. Read The Fine Manual.

Read this too, regarding the 'art' of car salesmanship. It's LONG:
http://www.edmunds.com/advice/buying/articles/42962/article.html

'Curly'
Joe LaVigne - 17 Aug 2006 08:37 GMT
>> The salesman that sold me my 06 Si said that it was a timing belt, and the
>> scheduled maintenance for it was 100K.  Is that incorrect?
[quoted text clipped - 7 lines]
>
> 'Curly'

The manual doesn't mention the timing belt or chain at all, so far as I can
tell.

I have never expected a salesman to be extremely knowledgeable about cars.
It really isn't their job.  That article is pretty good, but to be honest,
this was my first time at a Honda dealership, and the salesan was the best
auto salesman I have ever dealt with (from a buyers point of view).  Didn't
push anything, was helpful in every respect.

I wasn't able to bring the price down, but I didn't expect to considering
it was a Civic Si in a year where they were named car of the year, and the
Si has had so many favorable reviews.  They don't last long at sticker, and
true to my expectations, when I tried to negotiate a better price, they
were more than willing to walk away from the sale.

Signature

Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 8/17/2006 3:33:40 AM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

"If you were waiting for the oppurtune moment ... that was it."
--Jack Sparrow, "Pirates of the Carribean"

Gordon McGrew - 18 Aug 2006 22:04 GMT
>The manual doesn't mention the timing belt or chain at all, so far as I can
>tell.
>
>I have never expected a salesman to be extremely knowledgeable about cars.
>It really isn't their job.

Of course it is their job.  It's just easier to guess or make stuff
up.
Joe LaVigne - 19 Aug 2006 06:46 GMT
>>The manual doesn't mention the timing belt or chain at all, so far as I can
>>tell.
[quoted text clipped - 4 lines]
> Of course it is their job.  It's just easier to guess or make stuff
> up.

That depends on the technicality of the questions.

Salesmen are not mechanics.  A good salesman will often have you wait while
he gets the answer for you, but there are very few of those in the world.
Especially with the fear that you'll leave while waiting, or consider their
need to seek help a problem.

In my industry (server/networking engineer), we find this all the time.
Our salespeople often sell things that are damned near ridiculous, and rely
on us to make it happen.  We try to make them better, but the allure of the
almighty buck is a great barrier.

As I said, this was the best sales experience I have ever had.  And Honda's
always had a belt before.  So his not knowing off-hand about a single
technical change, from a sales standpoint, is inconsequential.  Especially
since he got the sale, anyhow...   ;-)

Signature

Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 8/19/2006 1:42:12 AM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

“I never trusted a man who never smoked or drank.” – Abraham Lincoln.

Michael Pardee - 13 Aug 2006 23:05 GMT
>> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
>> was a Non-interference engine and I got a blank look
>>   So guys help me out here...is it or isn't it!....Thanks
>
> I don't know, but it doesn't matter because the engine uses a timing chain
> instead of a belt.

IMHO chains have not proven themselves much more reliable than belts. Maybe
they have improved, but the last car I had with a chain (an 84 Dodge with a
Mitsu engine) didn't make it 100K miles before the chain was worn enough to
jump. The first step in replacement was: remove engine from car.

Mike
TeGGeR® - 13 Aug 2006 23:41 GMT
>>> I was looking at a 2006 Honda Civic and I asked the saleman if the
>>> engine was a Non-interference engine and I got a blank look
[quoted text clipped - 4 lines]
>
> IMHO chains have not proven themselves much more reliable than belts.

Depends on the engine design. Certain cars were notorious for eating timing
chains. The Nissan Axxess had one such. On the the opposite side, the old
Toyota timing chains were very well designed. They'd wear and get noisy,
but never break or jump.

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TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

High Tech Misfit - 14 Aug 2006 00:36 GMT
> IMHO chains have not proven themselves much more reliable than belts. Maybe
> they have improved, but the last car I had with a chain (an 84 Dodge with a
> Mitsu engine) didn't make it 100K miles before the chain was worn enough to
> jump. The first step in replacement was: remove engine from car.

Toyota 4-cylinders have been chain-driven since the late 90s (starting with
the '98 Corolla I believe), and I am not aware of any chain-related failures
in properly maintained cars.  Nissan was using chains long before that,
although I don't know how reliable they have been.
Michael Pardee - 14 Aug 2006 01:16 GMT
> Toyota 4-cylinders have been chain-driven since the late 90s (starting
> with
> the '98 Corolla I believe), and I am not aware of any chain-related
> failures
> in properly maintained cars.  Nissan was using chains long before that,
> although I don't know how reliable they have been.

My #2 son had an '82 Toyota Corolla with a chain. We replaced it a few
months before the engine threw a rod :-(

Researching the chain, we found that it was common for them to eat through
the timing chain cover as a result of "stretching" (pivot wear) and that
those covers were at a premium on the used market for that reason.

Mike
Matt Ion - 14 Aug 2006 09:08 GMT
>>Toyota 4-cylinders have been chain-driven since the late 90s (starting
>>with
[quoted text clipped - 9 lines]
> the timing chain cover as a result of "stretching" (pivot wear) and that
> those covers were at a premium on the used market for that reason.

Well the opposite end of that scale would be the trusty old Dodge "Slant-6"
engines... my dad had one in his '81 pickup, never had it replaced that I know
of... when he retired the truck in '87 with over 450,000km, the chain was
streched enough to be constantly rubbing in its guideway... but it just kept on
running (the engine was also drinking a liter of oil with every tank of gas
after my sister ran it dry of oil once).  Thin was damn near indestructable.
loewent - 14 Aug 2006 16:26 GMT
I've heard theories that the slant six almost put dodge outta business due to
lack of parts sales and longevity....

>>>Toyota 4-cylinders have been chain-driven since the late 90s (starting
>>>with
[quoted text clipped - 8 lines]
>running (the engine was also drinking a liter of oil with every tank of gas
>after my sister ran it dry of oil once).  Thin was damn near indestructable.
High Tech Misfit - 14 Aug 2006 17:51 GMT
> I've heard theories that the slant six almost put dodge outta business due to
> lack of parts sales and longevity....

I wouldn't doubt it.  When I was a kid, my father owned a '77 Dodge Aspen
and our neighbour owned a '79 Plymouth Volare.  Both had the slant-6, and
both were major pieces of junk.
Matt Ion - 14 Aug 2006 17:59 GMT
> I've heard theories that the slant six almost put dodge outta business due to
> lack of parts sales and longevity....

I'd believe that.  I've only ever seen one die - buddy's '69 Valiant threw a rod
doing aboud 100km/h on the freeway.  Thankfully the engine didn't seize on the
spot... #6 had a lovely gaping hole with the bottom of of the rod sticking
through about an inch below the sleeve...

>>>>Toyota 4-cylinders have been chain-driven since the late 90s (starting
>>>>with
[quoted text clipped - 10 lines]
>>running (the engine was also drinking a liter of oil with every tank of gas
>>after my sister ran it dry of oil once).  Thin was damn near indestructable.
Body Roll - 15 Aug 2006 22:13 GMT
> > I was looking at a 2006 Honda Civic and I asked the saleman if the engine
> > was a Non-interference engine and I got a blank look
> >   So guys help me out here...is it or isn't it!....Thanks
>
> I don't know, but it doesn't matter because the engine uses a timing chain
> instead of a belt.

Right. Google "saturn timing chain"
I'm not saying Honda's as bad. But timing chains do fail.
High Tech Misfit - 16 Aug 2006 14:19 GMT
>>> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
>>> was a Non-interference engine and I got a blank look
[quoted text clipped - 5 lines]
> Right. Google "saturn timing chain"
> I'm not saying Honda's as bad. But timing chains do fail.

But that is Saturn, which is crap to begin with.  I believe I mentioned
elsewhere that Toyota's 4-cylinders, for example have been chain-driven for
almost a decade, and I am not aware of timing chain failures on those.
ACAR - 15 Aug 2006 12:45 GMT
> I was looking at a 2006 Honda Civic and I asked the saleman if the engine
> was a Non-interference engine and I got a blank look
>   So guys help me out here...is it or isn't it!....Thanks

Yeah, it's an interference engine. Uses a timing chain to reduce risk
of catastrophic failure. Keep that oil clean.
 
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