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Everything posted by czny
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Looks like the plastic binder qualities have cooked off from engine heat. IF you thread for a fitting go with a straight thread to prevent further cracking, not tapered like pipe thread. There may not be enough wall thickness to tap a hole so maybe find some brass hobby tubing at the Ace hardware to fit inside the hole snugly and plastic cement to glue it together.
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I don't HAVE to be happy with the extra cats and O2s, but my neighbor does. It was his choice to buy this boat(a hole in the water into which you pour your money). He didn't have anyone to advise him against it. He bought it from a couple who moved from Calif to Montana. I think they were trying to unload the the boat. They knew it had high mileage problems. I told him that if he didn't change the oil & filter at 3000 miles I would never touch it again. That would be at 250K miles. Oh, yeah. He misstated the mileage on the odometer. He said 140K where it actually was 246K miles. Didn't find that out until battery was connected again. It does run well now with good power and mileage appears to be good, which was his major concern(?!?)
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About 250 miles after getting this OB running, alternator belt squeal made itself known at engine startup and beginning of turns. Found that the PS pump elbow o-rings had hardened allowing air to be sucked in. Found metric o-rings of 13mm ID x 1.5mm CS at my local Ace Hardware for $0.65 each! Added a very small bead of Loctite 517 flange sealant to face of elbow just above top o-ring groove to make sure no air gets in. No more squeal! Found that driver side crankcase breather hose connector on H4 airbox had cracked. Tried JB quickweld but that didn't hold. 30 M1 carbine brass is just right OD to fit inside this plastic nub and GOOP plastic weld bonds well with airbox. Saved a trip to find a replacement H4 California only airbox!
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Top view of ej259 compared to DNJ715 pistons. EJ259 piston has flat top around intake eyebrows(L) and dish on exhaust side(R). Exhaust "eyebrows" appear to further out to accommodate variable valve timing(?) heads 2006-2011. From what was found about these 2004-5 ej259 engines for California AND NY, this was an early attempt SULEV using non-AVLS P25 and Z25P heads. Ej259 piston on left with piston pin connecting it to DNJ715 decked 0.3 mm piston. That's 0.3 mm below block deck. Here you can see the exhaust valves hit marks on #1 piston crown. As the timing belt continued to stretch, and skip cog teeth, the hit marks moved outward until engine finally had no compression to run. Here you can see that the pistons are slightly below the block deck.
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Since then, engine is complete and installed. Ran into problems at 280 miles with code P0157, bank 2 sensor 2 O2. O2 sensor was un-burned fuel fouled with soot. Soot was coming out the tailpipe too. #2 cyl plug wire was initially way out of spec at 47k ohms vs other 3 wires at 10-11k ohms. After throwing the code it read nearly 37 Meg! Replaced the offending plug wire with a new one from an RA closeout set and the O2 with a Denso 234-4446 sensor. That closeout set wasn't the best deal at $11.51. 3 wires at 47k & only one at 11k ohms. Only needed to match all 4 wire resistances to make things right. Re-adjusted all valves as well. Details of the build. Plastigauged the crank main & rod brgs: .0015" clearance on all 5 mains, .001 clearance on all 4 rods. Found a reman LH cyl head on fleabay for $380 but had to pay a core charge too The seller says this in fine print in the description, BUT, doesn't mention how much! $180! Had RH cyl head resurfaced & lapped in new valves. 642 head gaskets with new OEM head bolts. After seeing how many other "shortcuts" the previous owner had done I really didn't trust the head bolts, oil pump, water pump, etc. Crank condition before(printed pic with new rod brgs) And after polishing Rod journal sizes 2.046". These dimensions were checked with a Starrett No 436 2 to 3 inch mike. Mike was checked for accuracy with gage blocks. Main journal sizes 2.362" Barrel stove heating and loving pesky treat begger Blue. More to follow. Had to do searches at another forum to get some answers about ej259 engine specifics and problems.
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https://www.ebay.com/itm/252846228387?epid=603196425&itmmeta=01HSB670PVVCZXJVBSKKEA3PAD&hash=item3adecf43a3:g:gBUAAOSwTSxkLZeF&itmprp=enc%3AAQAJAAAA4NKeD3UwuBqPJAqm%2BaI8jrZahuIurkzkjCAP%2FQYuObVpZVEqzV%2FMY4GFGFULGvpraxI%2BnjKCaUBHNPfyDSA3LjbhAHdZXIPOc9FA4OCc0N6WWpA6VBTS%2F67%2FA7EqvkMFvWI4or%2FT6faebVgFXYkSMTEHsrqpfaifZOeqIWw0f3MzcxEM7dJQ3TXOjXadfkbMj8OSnrHcQlNiJM3ifprk5gKCxQj8NZfAZxUq%2Fq4cJJY6qlFov78846JvPWNQgADjQn7lknbtGM5ce8BLtu4OC2irZsdKPOgGwhB7NvM0qnmr|tkp%3ABFBM3Iuc5spj
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Found a lot of things damaged during tear down. Timing belt was stretched & cracked. TB tensioner was leaking fluid. Both cyl heads had bent exhaust valves - timing marks hadn't been lined up correctly to fudge the stretched belt problem I suppose. All pistons had carboned up oil control rings and stuck 2nd rings. #4 piston skirt was collapsed by .002" and badly scored. #4 rod brg had spalled. All main brgs were badly speckled from dirty oil. Driver side cam had welded metal to center aluminum cam journal ruining both head and cam. This caused by lack of oil AND the guy kept driving with valve and piston hitting, probably flexing the cam beyond normal. A real mess. This is your engine. This is your engine on unchanged oil. ANY QUESTIONS? https://imagizer.imageshack.com/img923/6250/7ZFYjA.jpg
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Is it that the grease in the boot gets that stiff that the boot splits when you start driving? Would it be too much to build a wood skid with styrofoam & cardboard on top to slide under the car to help keep the heat of your block heater under the car? Just something that you can stand up out of the way when not needed for the rest of the year.
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Gone are the days of BAP-Geon auto parts stores. Beck-Arnley catalog https://www.beckarnley.com/find-my-part/find-my-part-results.html?type[value]=2&type[label]=Light Duty&year[value]=1996&year[label]=1996&make[value]=13&make[label]=Subaru&model[value]=64&model[label]=Legacy I seem to recall that the CV boot B-A part numbers beginning with 2xx-xxx were silicone. Maybe search fleabay for those(?) Dorman markets silicone cv boots. Pricey at $50 each though.
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What's closest? 2 inch or 1.75"? Something like this in 1.75" tube? https://www.ebay.com/itm/195316337367?itmmeta=01HQPNTDJPX2HY3RWBH7GKM4PT&hash=item2d79c2cad7:g:MhUAAOSw6LVjDNzX or this https://www.ebay.com/itm/195294326139?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D260885%26meid%3D542ddf04b4dc462ba8b55b9f1103e42e%26pid%3D101875%26rk%3D1%26rkt%3D4%26sd%3D194866476331%26itm%3D195294326139%26pmt%3D1%26noa%3D0%26pg%3D4429486%26algv%3DSimplAMLv11WebTrimmedV3MskuWithLambda85KnnRecallV1V2V4ItemNrtInQueryAndCassiniVisualRankerAndBertRecallWithVMEV3CPCAutoWithCassiniEmbRecallManual&_trksid=p4429486.c101875.m1851&itmprp=cksum%3A195294326139542ddf04b4dc462ba8b55b9f1103e42e|enc%3AAQAIAAABcKAO6YGL7I8ZT6VFWcHmDuKm898HGH9cNRsnG%2Fep%2BzC3UPHwPSmfpPq3b41cHxht%2FCiwo5DdbtiFsRNqRhAUlK8x2MLrmISu5pnzSn%2FhiW3P7y%2BKcxGllTjL%2BG3bIP4k8fGgzCrVY1dxXbjuBFp3vefxTYgjBXBRUWQBgGciI%2FuQ5Mjsfl%2B%2FiL4cv70dT88jK6Z5YT9T2oLeJmAohqKKX8IVzzDAekdJV%2Fxq%2Bc3GsCg7X6Zze2%2F6TY9OGC3J%2BQ7KI%2BVNS7pIKfcR80mWjD7SPrLmg1rkuhBuMZJGO%2BwXDaWZn%2FU9HC7IhySjoZuaI5ar%2FdYRxsTkuYh%2FHm92l9PZtxSCdxkKEl4Rdb21HYgsNR6ryk3p%2Fu2LVIclbR2uLxqMOcqWXzb1TO%2Fn9J5a74wK0Et0QvPntwqvSQx6vkV%2BfmUtlH7ZxWakTq%2Bv9wbGy72morz2ZZB656MgHu8JE7tW7xMZYQI2qRPEDTukMfnti3oc|ampid%3APL_CLK|clp%3A4429486&itmmeta=01HQPNSZZXEE8X7NAKXNMES546
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While these 2005 pistons are most like the original ones, https://www.amazon.com/DNJ-Piston-2005-2005-Subaru-Outback/dp/B00TM25ZSE/ref=pd_ybh_a_d_sccl_7/137-0407383-1406803?pd_rd_w=QPGdW&content-id=amzn1.sym.67f8cf21-ade4-4299-b433-69e404eeecf1&pf_rd_p=67f8cf21-ade4-4299-b433-69e404eeecf1&pf_rd_r=58PM5VRME6WGQNSZ6QJD&pd_rd_wg=0Qlch&pd_rd_r=7f9575e7-966f-43b1-8c20-cfd734b13365&pd_rd_i=B00TM25ZSE&th=1 I opted to get these because they are listed for 2004 MY EJ259 engines https://www.ebay.com/itm/134624910093 I had already ordered a set of std NPR rings for the old pistons, BUT, the old ones had collapsed skirts, carbon stuck oil rings, carboned up oil return holes and valve hit damages on all the pistons. The old ones would've had high oil consumption, cold piston slap and been a real PITA to recondition in general. Had the heads resurfaced to the head height limit leaving some spitting in non critical places - to use with 642 OEM gaskets. #4 rod brg was too loose compared to other 3 ones, SO, case halves will have to come apart to refresh the R&M brgs and polish the crank. #4 rod big end mikes out as OK - round and on size at 2.165" in 3 places. New OEM timing belt, tensioner & idlers, oil pump, water pump & heads gskts are already here. Money is really tight on this repair so a new, or used, short block was not an option This engine, in fact the whole car, has been driven into the ground. Whatever else needs repair is just gonna have to wait. Pics will follow later...
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Looks like an answer here: https://www.subaruoutback.org/threads/2005-vs-2005-pzev-cylinder-head-valve-angle.537318/ All the original ej259 pistons are badly carboned up, especially #4 which was so bad that it had to be beaten out. No wonder this engine had no compression... Some constructive input would be helpful here.