G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

2003 front subframe crossmember brace

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Old Oct 12, 2021 | 02:20 PM
  #1  
jelps's Avatar
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g35 AT
2003 front subframe crossmember brace

Hi guys i need to replace this part (https://www.z1motorsports.com/front-...EaAghrEALw_wcB) . it is in really bad shape due to rust. Is it easy to replace for someone new, is it as simple as remove the old one and install the new one?. another question is the car safe to drive,
 
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Old Oct 12, 2021 | 09:24 PM
  #2  
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Yeah it's a fairly straightforward replacement, 6 bolts and two nuts, You can pick up a used one from eBay for less than half the price of new. Just make sure to take the replacement one you get and spray it down good with rubberized undercoating spray like the stuff from Rustoleum or 3M, then it won't rust out again in the future.

Bolts are torqued to 46 ft/lbs, the big nuts torque to 114 ft/lbs.

Also that thing isn't the engine crossmember like the Z1 page is describing, it's actually the "front suspension subframe cross brace" when you search for it, the FSM calls it "front cross bar".
 
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Old Oct 12, 2021 | 09:40 PM
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Originally Posted by cleric670
Yeah it's a fairly straightforward replacement, 6 bolts and two nuts, You can pick up a used one from eBay for less than half the price of new. Just make sure to take the replacement one you get and spray it down good with rubberized undercoating spray like the stuff from Rustoleum or 3M, then it won't rust out again in the future.

Bolts are torqued to 46 ft/lbs, the big nuts torque to 114 ft/lbs.

Also that thing isn't the engine crossmember like the Z1 page is describing, it's actually the "front suspension subframe cross brace" when you search for it, the FSM calls it "front cross bar".
Do you know by any chance if the car is safe to drive until I get the part.
 
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Old Oct 13, 2021 | 08:09 AM
  #4  
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2003 G35 Coupe
I wouldn't use any rubberized coating. The problem being that once the coating is broken in any way, it will hold and wick water and begin the rusting process under the coating.

I just got done scraping the rubberized coating along my jacking rails of my mustang's global west frame.

Maybe something like nonskid would work..like rhino... but even that works itself free.

Use something like POR15 or other epoxy paint.
​​Also, unless your brace is total trash, I would wire brush it and paint it with por15.
​88888888
88888888
The sedans didn't come with the cross brace..so you can drive it.
 

Last edited by shurur; Oct 13, 2021 at 08:31 AM.
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Old Oct 30, 2021 | 07:41 AM
  #5  
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From: Conyers, GA
G35 Coupe
Originally Posted by jelps
Hi guys i need to replace this part (https://www.z1motorsports.com/front-...EaAghrEALw_wcB) . it is in really bad shape due to rust. Is it easy to replace for someone new, is it as simple as remove the old one and install the new one?. another question is the car safe to drive,
If you're in GA (metro Atlanta) by chance, I have one laying around you can have to get you back feeling safe on the road.
 
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