LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

Pressure Pulsation Damper Assembly - Replace

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Old 04-03-16, 05:43 PM
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sh01
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Default Pressure Pulsation Damper Assembly - Replace

Apologizes up front if this has been discussed before; i'm new to 'CL'.

My 2001 Lexus LS430 passenger side pressure pulsation damper assembly is leaking...Medic! We got a bleeder!

How do I release fuel pressure in the rail before removing the pressure damper? Does the pressure damper just 'twist/turn off'?

I've ordered a new damper and both gaskets. Any advice from CL pro's is much appreciated and will be obeyed.

Sean - sh01
Old 04-03-16, 06:14 PM
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rkw77080
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Welcome to CL

Please take a look at the attached pages to see if your questions are answered...
Attached Files
File Type: pdf

Last edited by rkw77080; 04-03-16 at 06:18 PM.
Old 04-03-16, 06:31 PM
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sh01
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Many thanks - the .pdf is a huge help. A lot more involved than i first envisioned but seems doable. Will post an update on Wednesday with my success or next hurdle......
Old 04-03-16, 09:12 PM
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911LE
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It just unscrews with an open end wrench on the underside. It will be quite tight. And keep in mind that the upper and lower gaskets are different.
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Old 04-05-16, 06:00 PM
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sh01
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rkw77080 and 911LW - Advice was spot on! Easy replacement - no leaks - gas smell gone.

Many thanks to you both!
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5thwardgs4 (04-26-19), techken (04-24-22)
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