What to do about engine slap and lifter click?
The best way to minimize both piston slap and valve lifter click is to keep the oil changed on schedule with 5W-30 synthetic, as well as keep it full. However, in TSB 02-06-01-038 (Dec 2, 2002) GM identifies a different engine knock or lifter click that is repaired by replacing the oil pump O-ring seal.
Why do I hear a clicking noise when I Turn On 4 wheel drive?
The front drive shafts and wheels are not propelling the vehicle forward but simply coast along, hence the driver not hearing any dubious clicking sounds in 2H but only when the 4H mode is engaged. The easiest method of detecting the bad CV is to drive the vehicle with 4H mode selected for a short while.
What makes the engine noise on a Harley Davidson?
Here’s a trick to reduce the constant engine noise that sounds like valve train noises on the newer 96 Cu In. bikes that have the auto adjusting primary chain tensioners and no inspection port. I tried this on my RKC and can notice a definite improvement.
What causes the idler pulley to make a noise?
This noise is typically caused by a mechanical problem, either a worn auto-tensioner or idler pulley. The Vortec 4.8, 5.3, and 6.0 liter engines have a main accessory drive belt for the water pump, power steering, and alternator. The main belt has a GM auto-tensioner…
Why does my 5.4 Triton engine make noise?
While causes for such sounds can be numerous, owner experiences have shown that the most likely reasons can be blown out tensioners, a loose timing chain, and cam phaser breakage. Bear in mind that cam phasers are part of the Variable Valve Timing system which is an important component of the 5.4 Triton engine with 3 valves per cylinder.
Why does my car make a clicking sound when I start the engine?
Repeated “clicking” sounds usually indicate a dead battery. But a faulty solenoid that fails to make adequate electrical contact inside can also produce this tell-tale sound. 4. Sometimes a bad starter solenoid, instead of preventing the engine from starting, may cause it to start on its own without the key being turned to the “start” position.”
Why does my Ford F-150 make a ticking noise?
Owners of these vehicle’s report hearing a ticking noise from the engine accompanied by a loss of power and often a “check engine” light. Research has revealed that the cause of these issues is usually attributed to a failure of the cam phasers and excessive oil clearance in the cam journals.
Why does my Chevy Silverado make a clicking noise?
I have the same clicking noise on a 2005 with a 5.3. The stethoscope tells me it is inside the oil pan near the back. It is directly related to RPM. Oil pressure is fine and I drive it everyday but the noise is irritating 84 people found this helpful. Guys! Ive had the same problem for quite a while.