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post #31 of 50 (permalink) Old 12-01-2011, 04:08 AM Thread Starter
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last year around this time had the same noise for like a week ..... if i had lowpressure i would know
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post #32 of 50 (permalink) Old 12-01-2011, 06:28 AM
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Quote Peva
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Consider that such noises are often indictaive of impending failure of the 2.7 timing gear or water pump.
I understand how low oil pressure can translate into tensioner probs and cause the chain to slap but what do you mean by Timing Gear? Do you mean crank gear or cam gear and how does that tie into the noise?
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post #33 of 50 (permalink) Old 12-01-2011, 09:00 AM
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"Timing Gear" is referring to the parts that make up the timing system. Like climbing gear makes up the stuff you use to climb a mountain, etc.
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post #34 of 50 (permalink) Old 12-01-2011, 11:08 AM
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yepper.....couldn't agree more.....was hoping for the best for you M8.



most likely culpert and source of the noise.
TrepCruzin, you should send him that link for the tensioner block. that block is great, no more tensioner worries and as an added bonus, no more timing chain/cam shaft noises. everything is kept in alignment.
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post #35 of 50 (permalink) Old 12-01-2011, 12:34 PM
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Quote Peva

I understand how low oil pressure can translate into tensioner probs and cause the chain to slap but what do you mean by Timing Gear? Do you mean crank gear or cam gear and how does that tie into the noise?
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Originally Posted by cdmccul View Post
"Timing Gear" is referring to the parts that make up the timing system. Like climbing gear makes up the stuff you use to climb a mountain, etc.
^ what he said ^
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post #36 of 50 (permalink) Old 12-01-2011, 10:44 PM
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TrepCruzin, you should send him that link for the tensioner block. that block is great, no more tensioner worries and as an added bonus, no more timing chain/cam shaft noises. everything is kept in alignment.
Good idea.....here's the link.....

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I have an update on the stop block for the primary tensoner. I spoke with the owner (Raymond) of the company to get further details as far as the product and more importantly how they came up with it and really I have tell you I don't get taken back that often but I do have to say these guys really have there stuff together with the design of this product.......they came out with it alittle more then 3 years ago but business on that stop block has really taken off in the last 7 to 10 months. Raymond was telling me that a hand full of about 45 or 50 d/c dealers are ordering them in bulk currently and it's starting to catch on with more and more people.



I have put a order of 3 of them 2 of which i will install in my own cars i soon as i get mine. For me as of this day on forward every 2.7 that i put my hands on WILL have this stop block installed and especially after my most recent situation of the primary tensoner failing.

The price that there selling the stop block for is: $24.95
http://www.fix27engine.com/

i also informed him he should probably update the webpage to not reflect Mitsubishi 2.7 made.
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post #37 of 50 (permalink) Old 12-01-2011, 11:24 PM Thread Starter
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i dont know wwhat is going on but the nose is gone .. i gues my trep dont like cold weather.... lol
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post #38 of 50 (permalink) Old 12-02-2011, 12:47 AM
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I'd chalk that up as a pulley/bearing/belt quirk.

Sometimes after REALLY cold nights, in the morning my trep's belts will squeak or whistle until they warm up.
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post #39 of 50 (permalink) Old 12-02-2011, 01:13 AM Thread Starter
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I'd chalk that up as a pulley/bearing/belt quirk.

Sometimes after REALLY cold nights, in the morning my trep's belts will squeak or whistle until they warm up.
mine was only when the car was warm enought
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post #40 of 50 (permalink) Old 12-02-2011, 08:40 AM
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I've heard a lot of engine noises in my time and that doesn't sound like an internal engine noise to me. Best bet is something in the drive belts. I'd take the drive belts off as suggested to see if you still have a problem. It's a relatively cheap (labor only) way to start ...
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post #41 of 50 (permalink) Old 09-17-2012, 09:51 AM
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Hi,
Did you figure out what was causing the noise?
I have exactly the same problem. Recently I have had the water pump replaced. The noise appeared just after this repair. The engine works fine at cold, the noise appears when temperature reaches certain level and it’s audible only at low rpms. It goes away when you slightly increase the rpms.
The mechanic who replaced the water pump says that the engine might have been overheated, which is not true I believe. I had a water pump failure but it was an exterior leak and I noticed it very quickly (after 1 mile trip to a grocery store…). I didn’t lose too much coolant. Then the car was towed away.

I have a 2002 intrepid 2.7 with 155k miles on it. Here is the video :
youtu.be/CLY5WluDQj4

Last edited by Le Vinh; 09-17-2012 at 10:23 AM.
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post #42 of 50 (permalink) Old 09-17-2012, 12:38 PM
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Originally Posted by Le Vinh View Post
Hi,
Did you figure out what was causing the noise?
I have exactly the same problem. Recently I have had the water pump replaced. The noise appeared just after this repair. The engine works fine at cold, the noise appears when temperature reaches certain level and it’s audible only at low rpms. It goes away when you slightly increase the rpms.
The mechanic who replaced the water pump says that the engine might have been overheated, which is not true I believe. I had a water pump failure but it was an exterior leak and I noticed it very quickly (after 1 mile trip to a grocery store…). I didn’t lose too much coolant. Then the car was towed away.

I have a 2002 intrepid 2.7 with 155k miles on it. Here is the video :
youtu.be/CLY5WluDQj4
First guess: They didn't properly release the timing chain tensioner (no tension on chain) - and the noise is the timing chain tensioner arm flapping back and forth.

Last edited by peva; 09-17-2012 at 05:38 PM.
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post #43 of 50 (permalink) Old 09-17-2012, 12:46 PM
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OK, I will ask them to verify that.
Thanks!!
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post #44 of 50 (permalink) Old 09-17-2012, 01:41 PM
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Quote:
Originally Posted by peva View Post
First guess: They didn't properly release the timing chain tensioner (no tenion on chain) - and the noise is the timing chain tensioner arm flapping back and forth.
That's what I had in mind as well. That tensioner is kind of quirky about how you let it release. I had my first 2.7, (That I owned) do this same thing. After replacing the tensioner with a new one, the noise was gone for good.

EDIT: I'd sure like to find a couple of those blocks that keep the guide from falling too far back. Looks like a good idea.
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post #45 of 50 (permalink) Old 09-17-2012, 02:02 PM
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Guys, is there a simple way to check the tension and re-adjust the tensioner if necessary? I mean without taking off valve covers, etc.They just charged me $600 for the water pump job…and if it’s the tensioner problem, I don’t understand what's the relation between the noise and the temperature. Why it becomes loud when the engine is hot?

thanks again for your responses...

Last edited by Le Vinh; 09-17-2012 at 02:12 PM.
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