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#4537984 - 10/09/17 12:47 PM Cam Rattle
Speak2Mountain Offline


Registered: 04/07/17
Posts: 347
Loc: Mississippi
"The rattle noise you hear the internal phasers being knocked about without much oil to cushion them."
I've experienced this here lately and wonder if this can be mitigated or relieved.
If this is gonna be a biggy, I may just trade

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#4538011 - 10/09/17 01:08 PM Re: Cam Rattle [Re: Speak2Mountain]
Huie83 Offline


Registered: 02/19/09
Posts: 506
Loc: Minnesota
Try different oils. The 3.3 V6 (a vvti engine) in our Toyota Sienna is pretty "ticky", especially at idle. I tried a few oils, Castrol Edge Extended Performance is the only one that really quieted it down.


Edited by Huie83 (10/09/17 01:13 PM)

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#4538016 - 10/09/17 01:10 PM Re: Cam Rattle [Re: Speak2Mountain]
LeakySeals Offline


Registered: 02/18/11
Posts: 6578
Loc: Hudson, NH
Is this a temporary noise at startup, or chronic ticking?
_________________________
06 Escalade 6.0L AWD 160k. M1 5w30 Fram TG
03 Maxima 3.5L 149k ST HM 10w30

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#4538019 - 10/09/17 01:10 PM Re: Cam Rattle [Re: Speak2Mountain]
aquariuscsm Offline


Registered: 12/30/06
Posts: 18182
Loc: Dallas,Tx USA
What kind've car? What oil are you using?
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#4538042 - 10/09/17 01:22 PM Re: Cam Rattle [Re: Speak2Mountain]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11970
Loc: N.H, U.S.A.
GOOD LUCK THEY ALL GOT EM.

Though I hear the Coyote uses mechanical cam phase-r with no oil hydraulic retard.


It getting to the point you buy a good chassis and put in a fresh "old tech" crate motor in it and have at it with joy and comfort. I might use TBI though whatever todys version of Holley PRO-Jection is.
_________________________
2014 Nissan Rogue S CVT, OC#9 41392mi-QSUD10W30 + M110A CHAMP Filter; 2017 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter

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#4538053 - 10/09/17 01:28 PM Re: Cam Rattle [Re: LeakySeals]
Speak2Mountain Offline


Registered: 04/07/17
Posts: 347
Loc: Mississippi
about 1 sec @ startup. Not always there but about 75% of cranks

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#4538056 - 10/09/17 01:30 PM Re: Cam Rattle [Re: aquariuscsm]
Speak2Mountain Offline


Registered: 04/07/17
Posts: 347
Loc: Mississippi
Lexus IS250 2007, 130K
PP...not noticeable
Valvoline Max life, began to notice
PYB 5W20..more noticeable

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#4538060 - 10/09/17 01:35 PM Re: Cam Rattle [Re: Speak2Mountain]
aquariuscsm Offline


Registered: 12/30/06
Posts: 18182
Loc: Dallas,Tx USA
Fill it back up with PP. Smoothest oil I've ever used.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#4538070 - 10/09/17 01:42 PM Re: Cam Rattle [Re: Speak2Mountain]
LeakySeals Offline


Registered: 02/18/11
Posts: 6578
Loc: Hudson, NH
Originally Posted By: Speak2Mountain
about 1 sec @ startup. Not always there but about 75% of cranks

I just wrote about this on another post. May apply here. https://bobistheoilguy.com/forums/ubbthreads.php/topics/4537808/Oil_viscosity_and_VVT#Post4537808
_________________________
06 Escalade 6.0L AWD 160k. M1 5w30 Fram TG
03 Maxima 3.5L 149k ST HM 10w30

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#4538171 - 10/09/17 03:12 PM Re: Cam Rattle [Re: LeakySeals]
Speak2Mountain Offline


Registered: 04/07/17
Posts: 347
Loc: Mississippi

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#4538173 - 10/09/17 03:12 PM Re: Cam Rattle [Re: Speak2Mountain]
Speak2Mountain Offline


Registered: 04/07/17
Posts: 347
Loc: Mississippi
Thx for your work on this. Pls PM me ASAP should you discover anything pertinent

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#4539726 - 10/10/17 11:44 PM Re: Cam Rattle [Re: Speak2Mountain]
zeng Offline


Registered: 09/01/15
Posts: 2189
Loc: Malaysia
Folks, are there a/several different mechanisms of VVT other than Toyota's ?

Question is asked because I don't believe :
Quote:
"The rattle noise you hear the internal phasers being knocked about without much oil to cushion them."

is valid in a typical Yota VVT.


Edited by zeng (10/10/17 11:50 PM)

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#4540935 - 10/12/17 07:38 AM Re: Cam Rattle [Re: zeng]
NoNameJoe Offline


Registered: 06/03/15
Posts: 414
Loc: New York
Originally Posted By: zeng
Folks, are there a/several different mechanisms of VVT other than Toyota's ?

Question is asked because I don't believe :
Quote:
"The rattle noise you hear the internal phasers being knocked about without much oil to cushion them."

is valid in a typical Yota VVT.

Some Toyota engines use cam phasers. There are many ways to do VVT, Honda uses separate rocker arms to alter the valves rather than cam phasers, other manufacturers don't target the valves directly but retard/advance the timing in general by cam phasers.

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