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03-14-2005, 03:20 PM | #26 |
Scooby Newbie
Member#: 59918
Join Date: Apr 2004
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Hey, I have this same noise, only under light load/accelleration and only around 2500-3000 RPM. Kind of a hollow low knock. Either stepping on the gas or letting up makes it go away. Dealer is just about to replace pistons 2 and 4 under waranty. What was your outcome?
Thanks
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07-12-2007, 11:23 PM | #27 |
Scooby Newbie
Member#: 153869
Join Date: Jul 2007
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Dons Sooby Doo
I had 3 subies with the same problem of engine ticking sounds similar to valves clicking. My 1999, 2002, and now my 2004 has the same problem. Each time I took the car to the dealership, they said it was a normal sound, not to worry. Well, I did worry after my 2002 Outback clicking noises became so loud it sounded like a diesel and the sound would not go away after warm-up. Went back to the dealer and also called the Main Service support and they said the belt tensioner was bad. They replaced it but the noise continued. They factory REP agreed that the engine should be torn down to find the problem. Problem was diagnosed as an undersized piston that was slapping and they replaced the short block, which corrected the problem. Now I'm wondering if my 2004 will have the same problem? Although the car only had 38,500 miles on it and over the 3-year warranty, they replaced the short block under the 5-year 60,000 mile warranty --after some lengthy discussions about the warranty. Subaru knows about this problem for years and for some reason they keep making the same 2.5 liter engine without any revisions. Needless to say, I am now in the market for another car but will really have to think twice about buying another Subaru 2.5 engine in it. I don't know if the 6 cylinder engines also have the same problems. Thanks for reading this.
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07-13-2007, 02:53 AM | #28 |
Scooby Newbie
Member#: 119134
Join Date: Jul 2006
Chapter/Region:
VIC
Location: Koots
Vehicle:04 Fxt 02 wrxwgn |
02 wrx , belt tensoner replaced.
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07-14-2007, 03:18 AM | #29 |
Scooby Newbie
Member#: 153887
Join Date: Jul 2007
Chapter/Region:
NWIC
Location: Bellevue, WA
Vehicle:2002 Forester |
<deleted>
Last edited by Varravvan; 07-14-2007 at 04:06 AM. Reason: Grammar |
07-14-2007, 04:03 AM | #30 |
Scooby Newbie
Member#: 153887
Join Date: Jul 2007
Chapter/Region:
NWIC
Location: Bellevue, WA
Vehicle:2002 Forester |
I have 30,000 km on my 2002 Forester (manual tranny). About a month ago I started hearing a similar noise. It appears in a minute or so after starting the cold engine when RPMs begin to drop. Even when the engine is warm, it appears every time RMPs drop below 2000 (especially when I start driving in 1st gear). I suspect that I have the same problem that plagued many other Subarus - timing belt tensioner. I called a dealership, they told me that they would charge me $97 + tax for diagnostics and whatever it will cost for repair. I did not ask for a quote to fix or replace the god damn tensioner, but I suspect that it can easily cost me $500 if I do it there. Unfortunately, the car is no longer on warranty (I bought it 6 years ago) and I don't have time to do it myself. Can anyone recommend a good garage in Seattle area where I could fix it without paying a crazy amount?
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07-14-2007, 10:20 AM | #31 | |
Scooby Newbie
Member#: 70090
Join Date: Sep 2004
Chapter/Region:
NESIC
Location: New Hartford, CT
Vehicle:2002 2.5 RS Silver |
for the whole piston slap issue, its normal when cold.
Quote:
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05-21-2008, 11:49 PM | #32 |
Scooby Newbie
Member#: 31542
Join Date: Jan 2003
Location: Southern California
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Piston slap and other woes
Well this is my first post. I am the proud owner of an 06 Sti with 37000 miles on the odometer. A few days ago, that same knock made its ugly appearance upon first start up in the morning. Overnight temps are probably into the high 50's at the lowest. I notice if the motor is slowly brought up to 2200 RPM the noise goes away completely. By the time I drive two blocks and the motor has come up to barely-above-ambient temperature, the noise abates. MY GOD............I thought the thing had let go a rod bearing; shades of my old Formula Vee days. At any rate, I am a bit confused. Is this the timing belt tensioner or is it the overly oval piston thing???
I am using Mobil 1 10W30 and change it every 3 to 4000 miles. OEM oil filter. I am in Los Angeles and would like to know of a reputable shop in the Los Angeles Area. From what I've seen of the dealerships so far, I am not impressed. Thanks folks, Horrido |
05-27-2008, 04:12 PM | #33 | |
Scooby Newbie
Member#: 179963
Join Date: May 2008
Chapter/Region:
SCIC
Location: Los Angeles
Vehicle:2005 STi Zebra Stripe Blue |
Quote:
I'd be interested in finding a shop who has some experience with this problem. I gave Raffi Motors-Subaru in the South Bay a call but they didn't want to work on it and I don't have much confidence in dealers. If it's something as easy as a timing belt tensioner I might just do the work myself. If I do, I'll post pictures. |
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05-27-2008, 06:09 PM | #34 | |
Scooby Guru
Member#: 25187
Join Date: Sep 2002
Location: So. CA
Vehicle:2020 Forester 2010 Challenger R/T |
Quote:
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