2000 GMC Envoy "car whistling starts" Questions

When I start my '06 Envoy, it makes a high pitched squealing/whistle noise for about the first 30 seconds and slowly fades away. It does this every time I start it. What could be causing this? Have ...

...whistling sound after the car warms up & its hard to start there's a whistling sound after the car warms up & its hard to start, but once its running it does perfect. But after about ...

...car and see if that helps you locate the item which is whistling. many cars have a power steering pump which likes to whistle until it gets warm. generally this is less than 5 minutes, and that is ...

why has my 2004 trailblaizer suddenly start to overheat and make a whistling noise? why all of a sudden my suv seems like it runs harder and now my ac has started to whistle and it has started to heat

whistling noise when i start the car even when the car is driving cant u help me please Start the car, open the hood, remove the oil filler cap off the valve cover, if the noise goes away, the problem

my 2003 Pontiac Grand Am whistles when I accelerate quickly and always when I am going 40 mph or more. It also recently started to shift differently, it feels like it is taking longer to shift. The ...

When acelerating there is a whistle sound from the front. It stops only when I break. Sometimes it doesn't whistle at all. Problem just started 6 days ago. Mechanic told me it was the catylitic ...

...front end to me. After I hit 25mph is starts whistling. Sound seems to change with speed, but the mechanic says my hub bearings are fine. Also, some days it will whistle & other days it

...whistling noise coming from my car. The mechanic who last had me car over filled the coolant and transmition fluid, could this be the problem? The noise started yesterday, my car has over 130k miles, ...

2000 envoy my heat was working but it made a loud whistling noise now it wont comeon at all hodo u tighten hose nothing Not an easy fix - sounds like either a heater/AC plenum control diaphragm ...