ticking sound in engine compartment (cold)
01-29-2008, 05:00 PM
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Originally Posted by BoneZ
You are very lucky. My car did the same exact thing. Coolant disappearing, loud ticking for a short time when it was cold. Turns out coolant was in my oil and thinned the oil because the LIM gasket was bad. Had the LIM replaced and the oil replaced, but once the coolant mixed with the oil, irrepairable damage had already been done to my engine. 2 weeks after replacing my LIM, my engine blew, spun my lower bearings caused by the damage from coolant in the oil and had to have another motor put in. Not even a month after this second motor was in, LIM again! But, this time i caught it on the day the LIM failed as i smelled the coolant through my vents. That was over a year ago also.
02-08-2010, 10:10 AM
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When the engine is first started its normal to hear a slight "tick". Its often referred to as piston slap. The reason being as the combustion chamber temps increase, the pistons circumference will increase. So at first startup, the piston is a tad smaller then the cylinder bore. You can notice it alot more on the 2.8, 3.1, 3.4 blocks.
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