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06 legacy timing belt broken.


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11 replies to this topic

#1 nicksubaru

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Posted 22 August 2017 - 05:59 PM

This is a friends car but i was told the timing belt broke at highway speeds. Im assuming the intake values are bent. Is there a way to check them before pulling everything apart? About how much should this cost to fix? Rebuild the heads, or replace the heads? Im in California.

#2 gbhrps

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Posted 22 August 2017 - 08:01 PM

nicksubaru,

 

Pull the timing belt covers and rotate the cam wheels to close the valves on each cylinder one at a time, pull the spark plugs and pump each cylinder full of air, to see if the valves will hold the pressure or if it quickly leaks off? Scope each cylinder to see if pistons are damaged or show valve strike damage?

 

I would think you'd really have to pull the heads to know for sure what damage has been done, and if its worth while rebuilding. Maybe a used JDM engine makes more sense, as many of them have less than 35 000 miles on them. Good Luck!



#3 ferp420

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Posted 22 August 2017 - 08:07 PM

I would try to put a new belt on it and see how it runs then do a comprestion test i had a cam shaft snap off at the pully and when i tore it down the valves were all good so theres a chance there good still if not valves are cheap from the dealer and only replace whats bent its also a good.exscuse to have some fun with the internals while its all apart

#4 Subaru Scott

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Posted 22 August 2017 - 08:41 PM

If it has the 2.2, it's non-interference and will be fine with a belt and pulleys. 

 

If it has the 2.5...



#5 3Pin

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Posted 22 August 2017 - 10:14 PM

It is an 06 which is an interference motor.  look at car-part.com for a used motor or pull the existing one and replace valves/rebuild heads.



#6 darsdoug

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Posted 23 August 2017 - 06:47 AM

The 2.2's became interference starting in the 97 model year. The heads and valve angle were changed causing the valves to travel farther down into the cylinders. Better fuel economy and a boost in power was the goal of the designers back then. 



#7 idosubaru

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Posted 23 August 2017 - 09:17 AM

1. Check it first.  It is possible to break a belt and not bend any valves, it's just not very common, I saw and fixed one that got lucky a few years ago.  I'm seeing that lucky friend later today.  

 

2. Install used heads.  Cheap, simple and quick.  www.car-part.com or ask on a forum for used heads.   Cost is roughly $75 - $300 for two heads. 

 

3.  Rebuild existing heads.  $600-$900 to replace valves, prep valves and seat, valve stem seals, resurface, and pressure test.  Stop by your local dealer and ask around the parts or tech department to find out what local place does their heads.  that's a good starting point if you're otherwise unfamiliar with local machine shops.  The service advisor or people that answer the phones often don't know so that's why i say stop in and ask around.  Not everyone there may know. 

 

I'd imagine there are online options too and well known subaru networks/shops that may ship. 

 

 

If it has the 2.2, ..

2.2's are interference starting in 1997.  but doesn't matter, the last year for the 2.2 was a 01 and that wouldn't be easily swapped into a 2006.



#8 nicksubaru

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Posted 30 August 2017 - 12:04 AM

Thank you, very helpful and a great starting point

#9 1 Lucky Texan

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Posted 30 August 2017 - 11:23 AM

if the motor has high miles, consider a lower miles used engine. car-part.com as said, or LKQ, craigslist part-out, JDM, etc.



#10 nicksubaru

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Posted 18 September 2017 - 05:29 PM

As ive said in the opening post, this is my friends car, but now they are thinking of selling it, how much you think i should offer for it? $100? $400?

#11 3Pin

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Posted 18 September 2017 - 07:06 PM

I would go to edmunds (used car appraisal) and price it up like it is in running condition and in the condition average, good etc that it is in.  Then subtract the repair.   Scrap is a couple hundred.  



#12 Mike104

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Posted 18 September 2017 - 08:24 PM

I would go to edmunds (used car appraisal) and price it up like it is in running condition and in the condition average, good etc that it is in.  Then subtract the repair.   Scrap is a couple hundred.  

 

That's a fair way to offer a reasonable price.  Way more that you would get from a dealer on a trade in (maybe $500)






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