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Jeep Wrangler YJ
YJ General Discussion
Help with engine sounds and rattling
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<blockquote data-quote="deadpool1" data-source="post: 439384" data-attributes="member: 21229"><p><strong>to find noise, </strong> like this, no MP3 file actual noise posted, so you be asking the deaf, OK? </p><p>my last perfect engine build failed, (not the engine bad,and my work all) sounded like mains bad!</p><p>so i took a 2x4 and jammed it to the header pipe and frame and man handled it. (levered) and noise ended, my new header gasket was bad.(donut)</p><p>next engine, next noise (of late) have 50 years of endless stories. (cars and motorcycles and more)</p><p>I presume the noise can be made to happen parked, (the 10x more easy tests)</p><p></p><p>made huge sounds, like mains, ,but the last guy did not bolt down the A/C mount, only finger tight, got $5000 discount on this mint 2010 grand Cherokee</p><p>for 3 loose bolts and 1min. labor fix. 8 years later still runs like new.</p><p></p><p>we can drop all accessory belts see of noise ends on any engine, (like this) and run for 2min max from dead cold.</p><p>we will not let it overheat, ok, it is only a test.</p><p></p><p>for rebuilds.of any engine all bolts touched before now are then re-torqued to spec. </p><p>learn to use levers. to find noise. even lose suspension parts. levers cost nothing or bending them., (self)</p><p>I have 4 channel electronic , stethoscope, from STEELman that has saved me a fortune. micro phone clamps.</p><p></p><p>or go to a shop and ask the living to hear and find noises. it is a skill set, ive only touched lightly.</p><p></p><p>learn now noises telegraph, the noise moves through the metal and sounds come out of places odd, and wrong.</p><p>so we do lots of listening using my mic clamps and find the truth, even a collapsed HLA lifter or bend push rod can make a huge noise.</p><p>never assume the worst. </p><p>(10w-40 oil?) full up and never overfilled or it foams up and wrecks bearings.</p><p></p><p></p><p>good luck finding noises. , go easy , take your time,</p></blockquote><p></p>
[QUOTE="deadpool1, post: 439384, member: 21229"] [B]to find noise, [/B] like this, no MP3 file actual noise posted, so you be asking the deaf, OK? my last perfect engine build failed, (not the engine bad,and my work all) sounded like mains bad! so i took a 2x4 and jammed it to the header pipe and frame and man handled it. (levered) and noise ended, my new header gasket was bad.(donut) next engine, next noise (of late) have 50 years of endless stories. (cars and motorcycles and more) I presume the noise can be made to happen parked, (the 10x more easy tests) made huge sounds, like mains, ,but the last guy did not bolt down the A/C mount, only finger tight, got $5000 discount on this mint 2010 grand Cherokee for 3 loose bolts and 1min. labor fix. 8 years later still runs like new. we can drop all accessory belts see of noise ends on any engine, (like this) and run for 2min max from dead cold. we will not let it overheat, ok, it is only a test. for rebuilds.of any engine all bolts touched before now are then re-torqued to spec. learn to use levers. to find noise. even lose suspension parts. levers cost nothing or bending them., (self) I have 4 channel electronic , stethoscope, from STEELman that has saved me a fortune. micro phone clamps. or go to a shop and ask the living to hear and find noises. it is a skill set, ive only touched lightly. learn now noises telegraph, the noise moves through the metal and sounds come out of places odd, and wrong. so we do lots of listening using my mic clamps and find the truth, even a collapsed HLA lifter or bend push rod can make a huge noise. never assume the worst. (10w-40 oil?) full up and never overfilled or it foams up and wrecks bearings. good luck finding noises. , go easy , take your time, [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Help with engine sounds and rattling
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