06 Toyota Tundra Making Vacum Noise

I happens when I astart the vehicle. This allows the catalytic converter to clean exhaust better and lower. Our 2012 Tacoma has done it and the 2013 Rav4 has.

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This sound is a lot louder and sounds more like a vacuum.

06 toyota tundra making vacum noise. Maybe a Subaru works different Found this Re. A bit of background on the noise. I know that the 2007 Tundra had drive belt and tensioner pulley noise issues and Toyota issued a TSB.

Only does this when I turn left. A new improved tensioner pulley and drive belt were used. When in park or at a stop light or anytime the truck is sitting still and on I can here a tickingknocking.

If I turmn it off and then restart it will usually go away. Left work this morning in the rain and drove about 25 miles to a gas station got out to get a drink and noticed that when I pulled in my truck was making a whining noise from under the hood. It almost sounds like a vacuum leak.

I have a Toyota Tundra 2006. Havent caught the Tundra yet but Im positive it does though EditMaybe Subaru dealer was kinda right and kinda wrong. Discussion Starter 1 Jun 15 2009.

It almost seems like its getting worse too it is starting to do it at idle. It has a bumper to bumper warranty for the next 67000 miles so I will let you know what the dealer. Payed it no attention and noticed the battery gauge is lower than normal.

Doesnt make that noise when I hit a bump going straight hmmm. Jump to Latest Follow 1 - 8 of 8 Posts. Drivers may hear a loud noise much like a vacuum cleaner coming from their engine on cold starts.