V8 Engine Problems
Hi,
4.7L 2UZ-FE Engine rattles during hard acceleration. Sound like pistons or lifters. like what a timing chain rattle if the v8 had a chain. This has been since the motor was factory new. I use premium (93) mobile or shell gas Lately I have noticed, rattling under slow acceleration up small hills while the a/c is on, and alot of rattleing when the engine is hot, a/c is on and hard accelerate. 56k on the motor plugs changed at 30k Also... After sitting overnight, when I startup in the a.m. and put it into any gear while holding the brake i get a knocking. The knocking is definately engine, sounds like lower engine, a lower frequency knock, not like tap or a rattle. The severity changes depending on the teperature, worse during colder days. I always let the the motor run for a few min, at least until the needle passes the "c" on the temp gauge before moving. It lasts for a block or two, or about 2 stop signs, hearing it at each stop sign. any ideas thx Tonedog513 |
try some thinner oil.
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i was thinking thicker oil?
i don't know alot about oil though lol |
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