5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Rattle under Timing Cover...what could it be?

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Old 11-03-2020, 07:06 AM
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Rattle under Timing Cover...what could it be?

Hi Friends,

5th gen, with 160k and well maintained car.

A few days ago, i discovered my Radiator was partially clogged (so i replaced it). I ALSO Did an oil change and filled it to 5.5 qts (line showed it topped off perfect).

Left the shop and ran the car for a few days.
  • 2 days later, the car started STALLING at intersections and making a knocking sound. I got the car home and the next day, i heard a fairly loud rattle coming from the Timing chain cover. My mechanic took the cover off (what a pain in the **** job), and discovered the gears were pretty worn but 'NOTHING' to indicate loose guides or timing chain.
  • IN ADDITION; a large amount of oil was missing ??? Only 2 days ago, i had 5.5 quarts. When we dropped the oil pan, only 3 qts was left (that means i'm missing 2 qts) ???
  • ALSO, mechanic showed me the BLACK OIL had bits of 'Floating Specs' on Top of the Oil~ (he said they were probably metal pieces)
???

What da ???

Anyone have a clue as to 'whats causing the noise?'
  • ALSO, where did my oil go (only ran the car for 2 days), probably 100 miles at most
  • AND, what is floating in the oil?
Thanks for your input...


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Old 11-03-2020, 10:39 AM
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5.5 qts is 1.25 qts too much, not that it matters. 3.5L? Either way, sounds like she's toasted.
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Old 11-03-2020, 12:41 PM
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Originally Posted by Child_uv_KoRn
5.5 qts is 1.25 qts too much, not that it matters. 3.5L? Either way, sounds like she's toasted.
What makes you think the Motor is bad ?

PS My bad...we put 5 qts in (not 5.5)

*You say it only requires 4....what kinda motor you working on???

Last edited by FlaMark; 11-03-2020 at 12:44 PM.
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Old 11-03-2020, 01:07 PM
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Originally Posted by FlaMark
What makes you think the Motor is bad ?

PS My bad...we put 5 qts in (not 5.5)

*You say it only requires 4....what kinda motor you working on???
That's because it does. 4.25 or so. Metal on metal noises, bits in the oil, dying and missing the majority of the oil you just put in. Something went seriously wrong.
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Old 11-03-2020, 01:10 PM
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yea i do oil changes and even after letting it drain way more than an oil change shop would, i only put in around 4.25 quarts
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Old 11-03-2020, 03:05 PM
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Originally Posted by FlaMark
What makes you think the Motor is bad ?
00-01 or 02-03? If the latter, motor is trashed.
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Old 11-03-2020, 03:27 PM
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Originally Posted by Child_uv_KoRn
That's because it does. 4.25 or so. Metal on metal noises, bits in the oil, dying and missing the majority of the oil you just put in. Something went seriously wrong.
That's not what i'm reading...but YOU'RE notorious for amateur responses since i've been here.

**LETS BET....HOW MUCH YOU WANNA BET the Motor is still good?






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Old 11-03-2020, 05:27 PM
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Originally Posted by FlaMark
That's not what i'm reading...but YOU'RE notorious for amateur responses since i've been here.

**LETS BET....HOW MUCH YOU WANNA BET the Motor is still good?
Says the guy that doesn't even know the oil capacity...
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Old 11-03-2020, 08:38 PM
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I've always put 5 quarts in my 3.5. I got it with 175,XXX miles and now it's at 285,XXX, still runs great and no oil leaks.
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Old 11-04-2020, 04:17 PM
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Originally Posted by FlaMark
That's not what i'm reading...but YOU'RE notorious for amateur responses since i've been here.

**LETS BET....HOW MUCH YOU WANNA BET the Motor is still good?
Just reposting so he can eat it later even if he deletes it.
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Old 11-04-2020, 11:06 PM
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Originally Posted by uptownsamcv
I've always put 5 quarts in my 3.5. I got it with 175,XXX miles and now it's at 285,XXX, still runs great and no oil leaks.
That's why I said it didn't matter. 5 isn't enough to hit the crank and foam, but I thought it was funny how he was so matter of fact about it. I always overfill 1/2 qt for the inevitable consumption if 1st gen DE.
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Old 11-06-2020, 11:13 AM
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Originally Posted by User1
Just reposting so he can eat it later even if he deletes it.
Appears to be a Gag-fly (Child) on the forum (worthless twit). All posts are STOOPID REMARKS.

The car is fixed retard.

Simple but complicated (to you). I wont' be sharing the solution WITH YOU TWIT (but i can tell you it was a lot more simple than expected)

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Old 11-06-2020, 03:05 PM
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Originally Posted by FlaMark
Appears to be a Gag-fly (Child) on the forum (worthless twit). All posts are STOOPID REMARKS.

The car is fixed retard.

Simple but complicated (to you). I wont' be sharing the solution WITH YOU TWIT (but i can tell you it was a lot more simple than expected)


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Old 11-06-2020, 04:35 PM
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Originally Posted by FlaMark
I wont' be sharing the solution WITH YOU TWIT (but i can tell you it was a lot more simple than expected)
So you got a new Hyundai, cool. Strong work, champ.
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Old 11-26-2020, 11:28 AM
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I remember the denial I faced within myself when I first had this problem after I had just bought my max. My max burned a qt per 400 mi. Now I'm on my third engine and know how to rip it out and put it back in like its nothing. Thank you life.
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Old 11-27-2020, 10:31 AM
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Originally Posted by timbarry
I remember the denial I faced within myself when I first had this problem after I had just bought my max. My max burned a qt per 400 mi. Now I'm on my third engine and know how to rip it out and put it back in like its nothing. Thank you life.
3rd engine? what happened to the 2 prior?
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Old 11-27-2020, 12:46 PM
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Originally Posted by uptownsamcv
3rd engine? what happened to the 2 prior?
1st engine oil burn. 1qt per 400 miles. The engine it came with when I bought it.
2nd engine came from an 06 altima. The exhaust cam sprocket broke off on bank 1. I suspect this was my fault from improper torquing when I replaced the timing chains 20k miles earlier.
3rd engine came from 05 altima. Also starting to exhibit some oil burn.

4th will be a either an HR or the new gen VQ35DE.

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Old 11-27-2020, 02:07 PM
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Originally Posted by timbarry
1st engine oil burn. 1qt per 400 miles. The engine it came with when I bought it.
2nd engine came from an 06 altima. The exhaust cam sprocket broke off on bank 1. I suspect this was my fault from improper torquing when I replaced the timing chains 20k miles earlier.
3rd engine came from 05 altima. Also starting to exhibit some oil burn.

4th will be a either an HR or the new gen VQ35DE.
what makes these engines burn so much oil? I don't even remember seeing oil on my plugs last time I changed them but it appears that some is spraying out through the dipstick lol. mufuka still pulls hard though at 286,XXX miles.
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Old 11-27-2020, 02:45 PM
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Originally Posted by uptownsamcv
what makes these engines burn so much oil? I don't even remember seeing oil on my plugs last time I changed them but it appears that some is spraying out through the dipstick lol. mufuka still pulls hard though at 286,XXX miles.
Subpar piston rings and or valve seals, Cats disintegrating back into cylinder, Oil being sucked through the intake via PCV valve. Yea the first engine pulled great just liked to drink oil.
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Old 11-27-2020, 02:58 PM
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Originally Posted by timbarry
Subpar piston rings and or valve seals, Cats disintegrating back into cylinder, Oil being sucked through the intake via PCV valve. Yea the first engine pulled great just liked to drink oil.
I'm tempted to isolate the PCV system from the intake system to see if it reduces oil consumption. I have noticed at times when parked and running for a while seeing some exhaust smoke for a second or two.
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Old 11-27-2020, 04:49 PM
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Originally Posted by uptownsamcv
I'm tempted to isolate the PCV system from the intake system to see if it reduces oil consumption. I have noticed at times when parked and running for a while seeing some exhaust smoke for a second or two.
Ive done this with filters on the current engine but I'm still experiencing the consumption. The only time I can see smoke is when I reverse real quick to go into the driveway after checking the mail box. Burns more when I high rev a lot. I'm guessing valve seals this time. Never had cats on this engine.
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Old 11-27-2020, 06:45 PM
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Originally Posted by timbarry
Ive done this with filters on the current engine but I'm still experiencing the consumption. The only time I can see smoke is when I reverse real quick to go into the driveway after checking the mail box. Burns more when I high rev a lot. I'm guessing valve seals this time. Never had cats on this engine.
my cats are gutted as well. throwout bearing went out on my max a month after I got it so iende dup gutting the cats and doing oil pan gasket as well as the rear main seal and full clutch kit. I'm on the 3rd throwout bearing as well as second flywheel that came with a clutch kit.
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Old 11-27-2020, 07:48 PM
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Originally Posted by uptownsamcv
my cats are gutted as well. throwout bearing went out on my max a month after I got it so iende dup gutting the cats and doing oil pan gasket as well as the rear main seal and full clutch kit. I'm on the 3rd throwout bearing as well as second flywheel that came with a clutch kit.
About to put in a se-r tranny I just got. I love working on this thing.
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Old 11-27-2020, 08:28 PM
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Originally Posted by timbarry
About to put in a se-r tranny I just got. I love working on this thing.
from the Altima ? LSD ?

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Old 11-27-2020, 08:38 PM
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Originally Posted by uptownsamcv
from the Altima ? LSD ?
Nah apparently 06 se-r didn't come w one. At least that one didn't. Still better syncros and shorter gearing I think. Starting to experience popouts on first and 4th when its cold on the stock one. 156k.
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