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#3468302 - 08/29/14 11:24 AM 2004 Corolla intake manifold torque?
cjcride Offline


Registered: 11/06/09
Posts: 1569
Loc: Ontario Canada
Replacing the intake manifold gasket on the 04 Corolla. The Haynes manual says torque to 22 ft lbs. Online I find 14 ft lbs. The block is aluminum so 22 seems high for a bolt, seeing as the spark plugs are 14 ft lbs. Any one know for sure.
I compromised and tightened them to 17 ft lbs.
No more PO171 code anyway.

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#3468317 - 08/29/14 11:34 AM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
Bud_One Offline


Registered: 04/19/14
Posts: 1602
Loc: Spring,Texas
Per this document (2000 celica ) it says 14 ft lbs.
http://tinyurl.com/mcadoh8

did you use the updated orange gasket ?
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#3468334 - 08/29/14 11:55 AM Re: 2004 Corolla intake manifold torque? [Re: Bud_One]
cjcride Offline


Registered: 11/06/09
Posts: 1569
Loc: Ontario Canada
Thanks Bud. Yes I got the updated orange one from the dealer.
I will loosen all fittings and retorque to 14 ft lbs.
Hope I didn't cause any thread damage, it's got a days driving on the slight overtorque.


Edited by cjcride (08/29/14 11:57 AM)

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#3468336 - 08/29/14 11:56 AM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
Bud_One Offline


Registered: 04/19/14
Posts: 1602
Loc: Spring,Texas
You're most welcome.
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97 Accord-Havoline 5W30,OC330

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#3468411 - 08/29/14 01:09 PM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
01_celica_gt Offline


Registered: 07/29/13
Posts: 1764
Loc: St. Louis, MO
lol I have never torqued those down to spec, just tight enough with a long ratchet, I have never had any issues with them.

You can never go wrong torque to spec as long as your torque wrench is accurate.

I guess I never did torque the intake manifold to spec because when I was using the OEM Toyota service manual it wasn't listed in the Cylinder Head Reassembly section


Edited by 01_celica_gt (08/29/14 01:11 PM)
_________________________
Red/Black 01 Celica GT 1ZZ-FED(Rebuilt @ 211/144) @ 211/145k
Red 02 Corolla S 1ZZ-FED(Rebuilt @ 140k) @ 141k
All Autos!

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#3468589 - 08/29/14 03:56 PM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
Trav Offline


Registered: 11/20/06
Posts: 16022
Loc: MA, Mittelfranken.de
30Nm -22 ft lbs Per Alldata

Those are nuts that go on the studs right? You are not putting much strain on the threads in the head.


Edited by Trav (08/29/14 03:58 PM)
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#3468627 - 08/29/14 04:48 PM Re: 2004 Corolla intake manifold torque? [Re: Trav]
cjcride Offline


Registered: 11/06/09
Posts: 1569
Loc: Ontario Canada
Originally Posted By: Trav
30Nm -22 ft lbs Per Alldata

Those are nuts that go on the studs right? You are not putting much strain on the threads in the head.
2 are nuts on studs yet 4 are steel bolts that anchor into the aluminum block.
Thanks Trav


Edited by cjcride (08/29/14 04:49 PM)

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#3468685 - 08/29/14 06:08 PM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
Trav Offline


Registered: 11/20/06
Posts: 16022
Loc: MA, Mittelfranken.de
I have a FSM for an 05 1.8 Corolla it shows the same thing for 1ZZ-FE.
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#3468729 - 08/29/14 07:02 PM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
Merkava_4 Offline


Registered: 01/30/07
Posts: 15597
Loc: Clovis, CA
Originally Posted By: cjcride
I will loosen all fittings and retorque to 14 ft lbs.


Too late for that!! The gasket is already compressed to 17 ft lbs. If you loosen it up and re-torque it too 14 ft lbs, you run the risk of getting a vacuum leak.

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#3469041 - 08/30/14 07:31 AM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
MarkM66 Offline


Registered: 10/19/10
Posts: 1446
Loc: stl
Probably to late now, but I'd just leave it as you did the first time. It'll be fine.

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#3469212 - 08/30/14 11:06 AM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
cjcride Offline


Registered: 11/06/09
Posts: 1569
Loc: Ontario Canada
OK, I slightly backed off the fasteners and retorqued to 15.5 ft lbs that's where I'll leave it. The updated gasket is silicone so it will seal better than the original rubber gasket.
Thanks guys, if there is a Heaven there is probably an express line at the gates for BITOG'ers


Edited by cjcride (08/30/14 11:09 AM)

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#3542447 - 11/19/14 05:06 PM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
cjcride Offline


Registered: 11/06/09
Posts: 1569
Loc: Ontario Canada
Update. Got torques right and P0171 code returned days later.
New upstream O2 sensor and no code for weeks.

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#3542456 - 11/19/14 05:22 PM Re: 2004 Corolla intake manifold torque? [Re: cjcride]
Bud_One Offline


Registered: 04/19/14
Posts: 1602
Loc: Spring,Texas
Are you able to check the freeze frame data of the code P0171 ? If the code generated while at operating temp and above 1500 rpm - I'd suspect the mass air flow sensor is your issue... I did the intake gasket upgrade and the oxygen sensor on my vibe same issue - P0171 came back - I ordered a new mass air flow sensor and all is good. Found that at one time I had r&r'd the sensor to clean it, I messed up the oring that seals it to the mount. Running good for the past two weeks and will rev up to red line now - where before would hesitate to reach 5k rpms.
I purchased the Denso unit from Amazon - Around $80


Edited by Bud_One (11/19/14 05:24 PM)
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#3542487 - 11/19/14 05:50 PM Re: 2004 Corolla intake manifold torque? [Re: Bud_One]
cjcride Offline


Registered: 11/06/09
Posts: 1569
Loc: Ontario Canada
I erased the code over a month ago. My Inova 3130 has freeze frame. I think I got lucky on the O2 sensor.
Kept the old one it's evenly coated in black dry soot.
I may test resistance to confirm it's toast. Just need parameters.

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