LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Where is the leak ?

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Old 09-21-09, 09:55 PM
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V.I.P LS4
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Exclamation Where is the leak ?

Hey guys i just changed my starter this past weekend which let me tell u was hell of a lot of work . When i started the car there was a loud sound as if a exhaust leak . I went to Two muffler shops today and they couldnt figure it out. I ended up taken my cats off but that was not the problem , I thought it was the cats for sure because the car has 162k . It sounds alot nicer but that leak is still there. The only thing that i touched when getting to the starter that was pertaining to the exhaust was the EGR valve. There was two metal Gaskets which i beleive may be my issue because i did not replace them . Has anyone encountered this ?
Old 09-21-09, 10:27 PM
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LiCelsior
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maybe u didnt connect a vacuum hose some where..
Old 09-21-09, 10:28 PM
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i would get a check engine light wouldnt i ?
Old 09-21-09, 10:42 PM
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sometimes not...
Old 09-22-09, 02:16 AM
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most likely you need to replace the gaskets. also, you may have broken/damaged the EGR pipe, since it gets rather delicate with age.
Old 09-22-09, 08:41 AM
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ya i might have damaged that since i did move it in order to get the manifold out ,man that is alot of work ahhh . Im goin to my buddies shop to get it on the lift and c if we can figure it out but its most likely the EGR
Old 09-22-09, 05:23 PM
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it was the bottom of the egr it cracked on the bend , put some rubber cement on their for know gna have to replace that so much work ughhh
Old 09-22-09, 06:51 PM
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I'd just block EGR off, its useless anyway.
Old 09-23-09, 11:13 PM
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ya but theres no way to get to it besides taking apart the manifold and starter off again to get to it
?
Old 09-24-09, 12:47 AM
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rumor has it that the stig can replace (not repair) a 1uz starter without taking the manifold off.
Old 09-24-09, 03:43 AM
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Originally Posted by V.I.P LS4
ya but theres no way to get to it besides taking apart the manifold and starter off again to get to it
?
Not really, theres a kit sold for $100, its basically 3 metal plates, 1 goes between the intake manifold and the egr pipe, another goes between exaust manifold and the pipe, and another one goes between intake manifold and egr valve.
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