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Hybrid Technology Unique topics related to the 2004 -2009 RX400H model hybrid drivetrain and other features/options found only on the RX400H. Please use the main forum for discussion about shared components with other second generation RX models.

engine covers

Old Jul 6, 2017 | 03:09 PM
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Default engine covers

Are the plastic engine covers more than cosmetic or are they important?
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Old Jul 7, 2017 | 06:16 AM
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Generally speaking they're mostly cosmetic but they can provide splash protection & noise reduction benefit in some cases. No idea specifically with the 2nd Gen hybrids. I've only every removed the cover for the battery.

Last edited by takeshi74; Jul 7, 2017 at 06:20 AM.
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