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Bobby_Mun17
Mentor
Joined: 16 Oct 2006
Posts: 4634
Location: plano TX |
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 How do I fix the big ends/pistons on a 1993 subaru impreza? |
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I think the bottom end of the pistons on my 93 subaru impreza are knocking I have to know how to fix it
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| Sat Sep 29, 2007 10:56 am |
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Georgtttee
Mentor
Joined: 19 Nov 2006
Posts: 4530
Location: Boston US |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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If you mean the rod bearings you have to take off engine.Take off heads and split the block.Not an easy job for the amateur and you need some special tools. Piston have to come out so you may also rering and hone.
It isn't common for Subbies to knock from the bearings,but it isn't strange for the pistons to knock.You should get the opinion of a Tech familiar with Subbies before throwing parts at it.
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| Sat Sep 29, 2007 10:56 am |
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lilred
Mentor
Joined: 05 Nov 2006
Posts: 4656
Location: Windsor Ontario |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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19 years Sub Tech
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| Sat Sep 29, 2007 10:56 am |
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Axures
Mentor
Joined: 22 Nov 2006
Posts: 4548
Location: St. Paul,Minnesota |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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You need new big end shells. it is a big job. you must strip down the engine, disconnect the pistons from the crankshaft and replace the shells.
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| Sat Sep 29, 2007 10:56 am |
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nowherebbb
Mentor
Joined: 13 Nov 2006
Posts: 4536
Location: FR |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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GET THE MANUAL
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| Sat Sep 29, 2007 10:56 am |
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Georgtttee
Mentor
Joined: 19 Nov 2006
Posts: 4530
Location: Boston US |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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It's called "engine replacement"
If it is still running pretty good and will pass smog inspection, forget about a new engine. Run it till you may be able to pay for a new CAR
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| Sat Sep 29, 2007 10:56 am |
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pharx
Mentor
Joined: 10 Nov 2006
Posts: 4695
Location: Birmingham AL |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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Not being humorous but as an engineer take it to a garage, a good one.
The flat four engine in a Subaru are difficult at the best of times and will cost you lots more to put right if its done wrong, Sorry..
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| Sat Sep 29, 2007 10:56 am |
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Fast Chica
Mentor
Joined: 19 Nov 2006
Posts: 4560
Location: Miami FL US |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA Wanker
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| Sat Sep 29, 2007 10:56 am |
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Fastride
Mentor
Joined: 20 Sep 2006
Posts: 4684
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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Overhall it....
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| Sat Sep 29, 2007 10:56 am |
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Mike In Canada
Mentor
Joined: 24 Nov 2006
Posts: 4629
Location: Calgary AL Canada |
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| How do I fix the big ends/pistons on a 1993 subaru impreza? |
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Best to purchase a complete rebuild kit and new pistons. rare for this to happen.how many miles? they're called piston skirts. may be something else although. Hard to say without tearing it down. When you get it separately, you may want to take it to a machine shop and have it bored. I have done this some number of times.never with a subaru..and I now just save the time and trouble and order a crate motor.
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| Sat Sep 29, 2007 10:56 am |
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