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2005 suburban ticks at idle
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Question
Tuckybutt
HELP I have a 2005 suburban that runs and drives fantastic besides the tick it has at idle. If I drive the vehicle the tick can be faintly heard inside the cab if all accessories are off. The tick disappears after 5 minutes of driving and won't come back until you let it idle for 2 minutes or wait to start it after it cools. It is a lifter tick not piston slap. IT COMES BACK AT IDLE WHILE WARM. I think it's the oil pickup o ring in the oil pan, the oil pressure is at 38 psi at idle and it used to be at 45psi with no tick. I am thinking the lifters aren't getting enough oil at idle and eventually the oil runs off? Any help or past experiences are greatly appreciated.
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