09 Forester XT Intermittent Rod Knock?

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Hi all, like the title says, I’ve got a 2009 Forester XT that started making noise and Subaru dealer said there was rod knock and wants 12k for a new engine. However they were a bit stumped by the fact that it comes and goes.

I’m no mechanic but I thought rod knock was more of a mechanical failure? I don’t understand how it can knock and then instantly stop, as if a switch was turned off, and then it sounds good as new?

Anyone ever seen this before? I’d love to have some clarification before having to sell or spend 12k on a new engine.

I tried to catch the noise on video but it wasn’t happening at the time. Last time I drove the car about 30 min. home from the dealer and you’d have never known there was anything wrong with it!
 
Hi all, like the title says, I’ve got a 2009 Forester XT that started making noise and Subaru dealer said there was rod knock and wants 12k for a new engine. However they were a bit stumped by the fact that it comes and goes.

I’m no mechanic but I thought rod knock was more of a mechanical failure? I don’t understand how it can knock and then instantly stop, as if a switch was turned off, and then it sounds good as new?

Anyone ever seen this before? I’d love to have some clarification before having to sell or spend 12k on a new engine.

I tried to catch the noise on video but it wasn’t happening at the time. Last time I drove the car about 30 min. home from the dealer and you’d have never known there was anything wrong with it!
If that is truly a rod knock, it probably has rod a bearing that is not getting oil properly (intermittently).
Sadly, this will kill the engine sooner rather than later.
That said, if the engine has been maintained well, a rebuild, with a new set of rod bearings, may be all it needs.
And it will save you $$$ over a new engine.
Good Luck!
AMLOR
 
Hi all, like the title says, I’ve got a 2009 Forester XT that started making noise and Subaru dealer said there was rod knock and wants 12k for a new engine. However they were a bit stumped by the fact that it comes and goes.

I’m no mechanic but I thought rod knock was more of a mechanical failure? I don’t understand how it can knock and then instantly stop, as if a switch was turned off, and then it sounds good as new?

Anyone ever seen this before? I’d love to have some clarification before having to sell or spend 12k on a new engine.

I tried to catch the noise on video but it wasn’t happening at the time. Last time I drove the car about 30 min. home from the dealer and you’d have never known there was anything wrong with it!
That is odd. It's either broken or not. Get a second opinion from a trusted local mechanic!!
 

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