Removing subframe brace for exhaust, need help urgently

'10Anamoly · 12-07-2010, 01:54 PM

Ok, so my exhaust guy needs to do some welding near the x-crossover for my exhaust. However, you cant weld with the subframe crossover brace in the way so we need to get by it. My question is, can you remove just the area shown in the red box without having to take off the whole attaching assembly that triangulates to the differential (circled in blue in the picture). The exhaust guy seemed to think it all had to come off together, not just the center section.

Thanks for the help!

Zat_Zuma · 12-07-2010, 02:06 PM

They come apart separately and are independent of each other but have a common attachment point at the rear. You may have to loosen the rear bracket (blue) to completely remove the mid bracket(red)
Page RSU-17 in the service manual

'10Anamoly · 12-07-2010, 03:01 PM

I am confused. If they are seperate and independent, why do you have to loosen one to remove the other?

'10Anamoly · 12-07-2010, 03:31 PM

So do you take the four bolts out first (circled in red), then loosen only the bolts in the area circled in yellow and the whole center area slides out where marked in green?

John@Z1 · 12-07-2010, 03:39 PM

Yes, remove bolts in the red square. Loosen bolts and yellow. Then green will slide out.

ProfessorDave · 12-07-2010, 04:10 PM

Curious to know what needs welding, but not until you've figured out the subframe brace!

chippy · 12-07-2010, 04:28 PM

You should find that there are five bolts for each side to remove the flat brace.

The reason they are independant but joined as it were, is that they share two common bolts on either side, that go through both the flat brace and the rear diff brace and then into the chassis.

kenchan · 12-07-2010, 10:02 PM

If you loosen it your wing will fall off so be very careful.

'10Anamoly · 12-08-2010, 01:31 PM

Yea I lost my whole bumper when I took it off, got it back though, good to go.

ClemsonWill · 12-09-2010, 09:41 AM

Are you welding the exhaust? Why not just take the midsection of the exhaust out. It will be easier to weld that way anyways.

12-07-2010, 02:06 PM	#2 (permalink)
Zat_Zuma A True Z Fanatic Join Date: Nov 2008 Location: Edmonton, Alberta ...eh Posts: 1,171 Drives: 2017 Touring auto Rep Power: 19	They come apart separately and are independent of each other but have a common attachment point at the rear. You may have to loosen the rear bracket (blue) to completely remove the mid bracket(red) Page RSU-17 in the service manual __________________ [B]2009 & 2017 370Z Touring Sport Autos SOLD

12-07-2010, 03:01 PM	#3 (permalink)
'10Anamoly Track Member Join Date: May 2010 Location: GA Posts: 882 Drives: 2010 370Z BS M6 Rep Power: 16	I am confused. If they are seperate and independent, why do you have to loosen one to remove the other? __________________ 2013 Ford Mustang GT 374rwhp, 360rwtq SAE / GT500 Axle-Backs / Brembo Pack / Track Pack / Recaros / 6spd Last edited by '10Anamoly; 12-07-2010 at 03:20 PM.

12-07-2010, 03:39 PM	#5 (permalink)
John@Z1 The370Z.com Sponsor Join Date: Nov 2008 Location: GA Posts: 1,589 Drives: Turbos Rep Power: 20	Yes, remove bolts in the red square. Loosen bolts and yellow. Then green will slide out. __________________ Z1 Motorsports will beat any advertised price on Nissan OEM Parts! 770-838-7777 ext 311 AIM: JohnatZ1 email: John@Z1motorsports.com

12-07-2010, 04:10 PM	#6 (permalink)
ProfessorDave A True Z Fanatic Join Date: Jul 2010 Location: Scranton, PA Posts: 1,580 Drives: In the fairway Rep Power: 19	Curious to know what needs welding, but not until you've figured out the subframe brace! __________________ Rain, snow, sleet, hail: 2009 Mazda 3 sGT HB Everything else: 2009 370z, PW Touring 6MT

12-08-2010, 01:31 PM	#9 (permalink)
'10Anamoly Track Member Join Date: May 2010 Location: GA Posts: 882 Drives: 2010 370Z BS M6 Rep Power: 16	Yea I lost my whole bumper when I took it off, got it back though, good to go. __________________ 2013 Ford Mustang GT 374rwhp, 360rwtq SAE / GT500 Axle-Backs / Brembo Pack / Track Pack / Recaros / 6spd

12-07-2010, 04:28 PM	#7 (permalink)
chippy Base Member Join Date: Sep 2010 Location: Jersey Posts: 52 Drives: 370z 40th AT Quartz Rep Power: 15	You should find that there are five bolts for each side to remove the flat brace. The reason they are independant but joined as it were, is that they share two common bolts on either side, that go through both the flat brace and the rear diff brace and then into the chassis.

12-07-2010, 10:02 PM	#8 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	If you loosen it your wing will fall off so be very careful.

12-09-2010, 09:41 AM	#10 (permalink)
ClemsonWill A True Z Fanatic Join Date: Jul 2010 Location: Charleston, SC Posts: 12,045 Drives: a Civic VP! Rep Power: 445	Are you welding the exhaust? Why not just take the midsection of the exhaust out. It will be easier to weld that way anyways. __________________ Slightly modded

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