Why is my car making a rattling noise when parked?

Why is my car making a rattling noise when parked?

One common problem that will cause a rattle at idle is a failing hydraulic valve lifter. The lifters are small parts that open and close the engine valves, activated by oil (hydraulic) pressure. If you hear a “clack-clack” kind of rattle when you start your car’s engine, it could be a sign of piston slap.

Why does my car make noise when idling?

Loud idling is usually caused by issues with cylinder compression. When there are problems with cylinder compression, you get an uneven fuel-air ratio. As a result, combustion becomes unusual. Having higher pressure inside the cylinder will result in loud idling noise.

Is it normal for a RAV4 engine to make a ticking noise?

Normal for a RAV4. My 97 Rav4 had a ticking noise as soon as I turned it on and on Monday I had the timing belt and water pump changed and now their is no noise. My Rav4 actually drives better too, the gears seem to go in smoother and the engine is quiet

Why does my Toyota RAV4 make a whistle sound?

I hear a very intermittent whistle coming from the dashboard. It can happen when starting the car but mostly happens when stopped or right after the car is turned off. It sounds just like a human whistle, one note, varied length, increasing in pitch. As if a gas is venting through a reed from the A/C.

Are there any problems with the Toyota RAV4?

Toyota RAV4 owners have reported 20 problems related to transmission noise (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota RAV4 based on all problems reported for the RAV4.

Are there Rattle traps in the Toyota RAV4?

Toyota has really lost its way with using Fisher Price grade plastics that aren’t screwed in properly in its vehicles. Sorry about the rant, but owning these two rattle traps has been very frustrating.