![]() I'll check it tomorrow, see if any lines came off and gas anyone cleaned these VNT BOV before? Where can I get a new or good used one? P/N? My cruise still won't engage, strange, I'll check connections on that and fuse. Any help would be appreciated.Īh, I found the info! 90 VNT has the blow off valve in the airbox, which the sound is coming from front left. I used to get this with my Peugeot 406 (2.2 HDi) which used a Garrett T3 fixed geometry turbocharger. This occurs when using full torque and power (pedal right down). If I let off the gas slowly, then shift I dont hear it. I think what youre experiencing with your car is wastegate flutter. Get a handheld vaccum pump (mityvac) and pull. It's only under boost when I let off the gas. Your turbo is probably clogged up and not giving full stroke on the vnt. ![]() If I rev it, does what its supposed to do and sounds normal. Anyone has any info on this? I've read about blow-off valves but I thought the 90s had no wastegate and blow off valve because of the VNT vanes. You can get the HKS BOV kit and I personally think the noise you get is fantastic, you also have three options for sound with the Kit, two inserts and no insert. You will see the boost gauge flutter basically the turbo is stalling and doesnt know which way to spin that is turbo surge and its very hard on the shaft and. I did notice that my cruise control is now not engaging. In the last few weeks I've noticed when letting off the accelerator or shifting gears a flutter sound where it used to sound like whooish :frown2:The vaccum is perfect at idle and perfect boost throughout throttle and wide open throttle. Place your tongue on the roof of your mouth, right behind your two front teeth, with your mouth slightly open. ![]() To give it a shot, follow these steps: Wet your lips and slightly pucker them. Okay guys I have a stock 1990 2.2 turbo VNT Daytona Shelby. When compared to whistling with your fingers or via your mouth, this method generates a quieter tone. ![]()
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