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Re: front left engine hissing.. Posted by JimBlake [Email] ![]() ![]() ![]() In Reply to: Re: front left engine hissing.., robert, Wed, 9 Nov 2005 13:59:33 Members do not see ads below this line. - Help Keep This Site Online - Signup |
While it's off... I don't know what's different (T-5/T-7) but probably your boost-control valve & wastegate actuator are down under there. So there's a couple vacuum hoses you can check.
Does it go away with some engine load? If you trust your brakes, have someone put the tranny in drive & 'brake-torque' for a second or 2. Does the noise get louder, softer, neither?
With higher load, the compressor outlet pressure will be higher. Maybe the big hoses to/from the intercooler??
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