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Subaru Impreza Engine Problems

298 messages,  Last post on May 20, 2013 at 6:51 PM

You are in the Subaru Impreza Maintenance & Repair Forum.

What is this discussion about? Subaru Impreza, Engine, Sedan, Wagon

Messages Page 27 of 30

#258 of 298 Re: Anyone else burning oil? [isellhondas] by ateixeira

Oct 03, 2011 (9:34 am)

Replying to: isellhondas (Oct 01, 2011 8:31 am)
Should be under warranty, then. Let us know how it plays out...my money's on the head gaskets.
 
They finally changed the block design to more permanently address the head gasket issues. The newer FB25 block in the 2011 Forester and FB20 in the upcoming 2012 Impreza have separate coolant lines for the heads and block, so no coolant even flows through the new gaskets.
 
It was common up until 2002 or so, less common but still happens on the later EJ25 motors.

#259 of 298 Re: Anyone else burning oil? [ateixeira] by isellhondas

Oct 03, 2011 (12:05 pm)

Replying to: ateixeira (Oct 03, 2011 9:34 am)
They are susposted to look at it today so our son may call me later.
 
It's possible it has a blown head gasket but head gaskets don't knock.
 
I heard it run and it definatly has rod bearing trouble. I just hope they don't plan on doing a patch job.
 
Even when it was new, it (to me) sounded a bit loose but I figured it was because of the boxer design.
 
All in all, it's been a disappointment. We were surprised to see how bad it was when it snowed for the first time! It was downright scary until he put on a set of Blizzack tires which made a huge difference. It is also so cramped inside.

#260 of 298 Re: Anyone else burning oil? [isellhondas] by ateixeira

Oct 03, 2011 (1:57 pm)

Replying to: isellhondas (Oct 03, 2011 12:05 pm)
Does he have the Blo-tenzas? Some of the OEM tire choices were awful. Same for my 98 Forester.
 
Could be piston slap, too.

#261 of 298 Re: Anyone else burning oil? [ateixeira] by isellhondas

Oct 03, 2011 (2:14 pm)

Replying to: ateixeira (Oct 03, 2011 1:57 pm)
I'm not sure which he has as far as tires.
 
Believe me, this is NOT piston slap! If I were to start the car you would be able to hear it knocking a block away. This is loud DEEP knocking that came without warning.
 
He was driving it about 65-70 MPH when a bunch of wrning lights came on all at once. Then the loud knocking started. He was barely able to get it off the freeway.
 
So far, no call from Subaru.

#262 of 298 Re: Anyone else burning oil? [ateixeira] by isellhondas

Oct 04, 2011 (8:55 am)

Replying to: ateixeira (Oct 03, 2011 1:57 pm)
Ok, The Subaru Dealer called and the engine is toast.
 
They confirmed what I already knew. The knocking is from the lower end of the engine and the engine will be replaced under warranty.
 
They were quite good about everything and even provided a loaner car for our son to drive. The engine has been ordered and it should be running early next week.
 
A fluke?
 
It's been using oil but he never let it run low.

#263 of 298 Re: Anyone else burning oil? [isellhondas] by ateixeira

Oct 04, 2011 (9:44 am)

Replying to: isellhondas (Oct 04, 2011 8:55 am)
I think so, very unusual. 9 times out of 10 an engine issue is the gaskets.
 
The other 1 time it's the front or rear mail seal! LOL

#264 of 298 Re: Anyone else burning oil? [ateixeira] by xwesx

Oct 04, 2011 (11:31 am)

Replying to: ateixeira (Oct 04, 2011 9:44 am)
Yeah, probably a fluke. With that few miles, it is very possible that something was not assembled/torqued correctly at the factory.

#265 of 298 Re: Anyone else burning oil? [ateixeira] by isellhondas

Oct 04, 2011 (12:09 pm)

Replying to: ateixeira (Oct 04, 2011 9:44 am)
It's never leaked oil unlike a Loyale we once owned!

#266 of 298 Re: Anyone else burning oil? [xwesx] by isellhondas

Oct 04, 2011 (12:11 pm)

Replying to: xwesx (Oct 04, 2011 11:31 am)
That's what I'm thinking although you would think it would have blown up before now.
 
As I said, it never sounded quite "right" to me but I wrote that off as being part of the boxer design.
 
I suppose this why cars come with warranties!

#267 of 298 Re: Anyone else burning oil? [isellhondas] by ateixeira

Oct 04, 2011 (12:44 pm)

Replying to: isellhondas (Oct 04, 2011 12:09 pm)
paisan used to joke about his 80s Subies, "add oil, check the gas".
 
 

Messages Page 27 of 30

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