Connections Of Tubes & Hoses For Air Leakage

WARNING: This page is about a different car, the 2003 Lexus LS 430, 2002 Lexus LS 430, and 2001 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Start engine. Set height control switch in HIGH position.
Stop engine. Apply soapy water to connections of tubes and hoses and check for air leakage. See Fig 1.

Fig 1: Checking For Air Leakage