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Discussion Starter #1
So... I've been chasing a squeak in my engine bay for about 6 months now. Needless to say after trying all the normal things, I saw honda mention headers contacting the motor mount. Well every single time I remembered to check I was in the truck. Finally checked this morning and yep, found the squeak (picture).

Am I ok just tightening these suckers back up and hoping they stay? I assume what happened once will happen again. Headers were on the truck probably 6-7 months before the squeak started.

Should I pull the mounts and grind them down? I didn't look at the passenger side since the noise was coming from the driver, but I will definitely check them to make sure.
 

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If they are rubbing it will eventually wear a hole in those nice headers. Your best course of action would be just to grind it down a bit and have piece of mind.

Sent from my SM-N910V using Tapatalk
 

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What I did is put a washer - or two - between the motor mount and the engine. That was enough to get the header to clear the motor mount.

You might want to raise the engine up. That may reposition the engine better on the motor mount. Loosening the nuts/bolts on the frame side of the motor mount might make that work better.
 

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Never heard of motor mount bolts backing out. Is the header contacting the mount when the mount is tight to the block?
 

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Mine makes contact as well, i didnt see it when i was assembling it. I need to take the time to fix it, just have so many things going on right now.
 

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So is it a "standard procedure" now to have to grind the engine mounts for header clearance? Is there a chance JBA could revise the design so this does not have to be done?
 

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Now you guys have me paranoid.

I haven't heard or felt anything off, but I'm going to have to take a look tomorrow.
 

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Discussion Starter #9
Yes the header was contacting when the mount was tight to the motor. The passenger side is fine, just the driver.

On the other hand don't be like me. If you're raising the engine make sure to have both sides loose. Towing it to the dealer tomorrow because stupid me got impatient and just had the driver side loose. I now have a 3 inch hole in my oil pan from my jack. If they have to take the engine out to replace the pan I'm going to see if they'll grind the mount down.

I swear I'm the worst thing that's happened to this truck...
 
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ouch for the oil pan....sorry to hear that, curious to see how much a new oil pan will cost
a block of wood will go a long way for not breaking things, spreads out the weight over a bigger area....not trying to be a ****, just suggestion for future engine jacking.
 

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Damn that sucks man! Not sure on how hard it is to pull the oil pan, good luck to you!
 

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Discussion Starter #12
Oil pan's only $160, hoping labor isn't going to kill me. I had about 20 minutes of freaking out, cussing, throwing shyte around the driveway until I called Nissan and talked to them.

Yeah I should have put a piece of wood in there, I actually have a 2x4 piece cut for it. Just forgot/was impatient/lazy. Let's just say it's not the dumbest thing I've ever done though...
 

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I think I put my jack on the crankshaft pulley. I could be wrong, it's been a while and I'm trying to forget the pain.
 

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Discussion Starter #14
$2,250 out the door. FML... At least they're going to work on my motor mount at the same time and make sure the header isn't touching it.
 

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So is it a "standard procedure" now to have to grind the engine mounts for header clearance? Is there a chance JBA could revise the design so this does not have to be done?
This is NOT standard procedure for JBA Long Tube headers. When JBA did the R&D on the product it was on a low mileage NEW truck so the motor is sitting up correctly in the engine bay. Most of the guys having an issue have many miles on their trucks and the motor is sagging from worn motor mounts.

Just some information for all.
 

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$2,250 out the door. FML... At least they're going to work on my motor mount at the same time and make sure the header isn't touching it.
:eek_surprise:
 

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This is NOT standard procedure for JBA Long Tube headers. When JBA did the R&D on the product it was on a low mileage NEW truck so the motor is sitting up correctly in the engine bay. Most of the guys having an issue have many miles on their trucks and the motor is sagging from worn motor mounts.

Just some information for all.
I wonder if it could also be possible that JBA's jig is out of spec now. This seems to be a problem that is coming up more and more.
 
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I wonder if it could also be possible that JBA's jig is out of spec now. This seems to be a problem that is coming up more and more.
Jig cannot change but motor placement does for sure over time.

The feedback we receive on the NEW Titan trucks are perfect and we have not received any fitment issues. Many customers have older trucks/mounts and are replacing the cracked manifolds. Like anything if the mounts are old and worn the motor is sitting lower in the engine bay causing these issues.

This sagging motor issue is with ALL trucks and not just Nissan Titan. Most never think to replace the motor mounts but with aftermarket headers motor position is a HUGE deal.
 

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Discussion Starter #19
Yeah I'm not blaming JBA by any means. I knew it happened on 4x4's since space is tight. Passenger side had plenty of clearance, driver side was rubbing.
 

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