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V36 2008 350Gt Sedan Steering Shake While Braking?

Forged
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Forged Experienced

Forged

Posted
Posted

Hi Guys, This probably has been covered before but I just want to confirm that the OEM brake discs of V36 sedans are causing abnormal steering shake whilst braking from high speed (110-120km/h)? From what I read, swapping to aftermarket brake discs (or complete calipers and discs upgrade) would eliminate this issue.

What aftermarket brake discs would you recommend as direct replacement? Apparently DBA does not yet make rotors to fit this model of Skyline.

TIA

R32GOJIRA Mentor

R32GOJIRA

Posted
Posted

Swapping rotors would eliminate the issue. The reason being is that if your steering is shaking upon braking, its more than likely that your rotors are warped and not flat, creating an undulating disk surface. So that shaking or shuddering you feel, is the uneven braking on both sides.

Easy way to check this is with a micrometer. Or take it to a machine shop. You may be able to get away with just machining the surfaces flat again, provided you have enough meat left on the rotors.

If you want brand new ones, if DBA dont make them, try RDA, Alcon, Brembo, or even get a new set of factory rotors. Someone has to stock them.

Hope this helps.

Forged Experienced

Forged

Posted
  • Author
Posted

Thanks for all the replies guys.

I was under the impression that this is a common issue specific to this model Skyline - V36 350GT sedan (even some 370GT?), you can machine the rotors to fix it temporarily but the problem would come back soon after a few thousands kays. It's a design fault of the OEM rotors I read?

That's reason I'm looking for aftermarket replacement rotors to completely bypass this potential problem.

Swapping rotors would eliminate the issue. The reason being is that if your steering is shaking upon braking, its more than likely that your rotors are warped and not flat, creating an undulating disk surface. So that shaking or shuddering you feel, is the uneven braking on both sides.

Easy way to check this is with a micrometer. Or take it to a machine shop. You may be able to get away with just machining the surfaces flat again, provided you have enough meat left on the rotors.

If you want brand new ones, if DBA dont make them, try RDA, Alcon, Brembo, or even get a new set of factory rotors. Someone has to stock them.

Hope this helps.

nickcorr Proficient

nickcorr

Posted
Posted

Don't the S and SP sedans run the same "big" brakes as the 370Z? Must be aftermarket discs available...

I know that they are physically way bigger than the 350Z non-Brembo fitted to the NM35 Stagea (and also the X-Trail) which were available from RDA in less than 24 hours for slotted OEM size at very reasonable prices...

The Max Mentor

The Max

Posted
Posted

Either way, check both the Australian and US catalogues from DBA if you're a fan of the brand like I am. If they're in the US catalogue, they can still be ordered in Australia using the very same part number because ultimately, they're made here anyway.

I had this issue with my former '92 Maxima when I was seeking 4000 series slotted rotors. I was told by my brake supplier that I couldn't get them but DBA's sales team told me otherwise so I forced the issue, he called, quoted the part number and much to his surprise, he was able to get them in for me. Therefore, you will find them in the US catalogue under the usual Infiniti G35/37 vehicle listings.

Forged Experienced

Forged

Posted
  • Author
Posted

Thanks for the info Tony,

You're right, they are available under the Infiniti G35 moniker - http://www.ebay.com/itm/DBA-4000-Series-Brake-Rotor-Infiniti-FX35-G35-M35-FX45-M45-350Z-Altima-42308XS-/330961637242?pt=Motors_Car_Truck_Parts_Accessories&hash=item4d0ed9cf7a&vxp=mtr

These looks quite sweet.

Where would be the best place to get these from in Sydney?

Either way, check both the Australian and US catalogues from DBA if you're a fan of the brand like I am. If they're in the US catalogue, they can still be ordered in Australia using the very same part number because ultimately, they're made here anyway.

I had this issue with my former '92 Maxima when I was seeking 4000 series slotted rotors. I was told by my brake supplier that I couldn't get them but DBA's sales team told me otherwise so I forced the issue, he called, quoted the part number and much to his surprise, he was able to get them in for me. Therefore, you will find them in the US catalogue under the usual Infiniti G35/37 vehicle listings.

The Max Mentor

The Max

Posted
Posted (edited)

I have a mechanic friend who has a trade account with Rocket so I'm probably not the best guy to ask. :)

Also, make sure you actually look it up in the US catalogue so that you have all the correct dimensions too, namely so you can be sure you have the right part number to suit an S or a base model coupe (if yours is a coupe) since the S package has the larger Akebono brakes and hence, larger rotors too.

Edited by The Max
..350GT8.. Enthusiast

..350GT8..

Posted
Posted

Machine them and get a decent set of pads.. If you believe this is a oem problem then I would say get a set of aftermarket pads.

Rotor warp is caused mainly by the pad. In my opinion I highly doubt it is a oem problem. Nissan have been in the game for far too long and I see no reason why they would have this problem.

Although in the early ford falcon this was a factory problem and it was caused by brake master cylinder. Basically the master cylinder was slightly but constantly braking even when the pedal was not depressed.. This caused too much heat at the rotors and just warped rotors like no tomorrow..

In my opinion I would say just get a good set of replacement pads and machine the rotors..

  • 1 month later...
Beat-Sonic Newbie

Beat-Sonic

Posted
Posted

Consider getting a 4 wheel alignment. I had similar symptoms on my JZX100 Mark 2 but after i had a the alignment done the brake shudder went away. Yeah OK different car but both are RWD and use multi-link independant suspension so its worthwhile investigating.

  • 3 years later...
R377 Proficient

R377

Posted
Posted

bump for a handy thread.  We are having probs with our 2007 Skyline sedan type S.  Shudder under braking.  Went to replace the pads and were fine so am looking at front discs.

If this is a common problem I am debating whether it will come back or not with aftermarket pads and/or OEM new discs.

 

Any other experiences ?

R377 Proficient

R377

Posted
Posted
1 hour ago, The Max said:

It's warped discs, not your pads.

My suggestion, I highly recommend DBA 4000 series slotted discs. Do both the front and rear.

Thanks I was looking around on the US site.  Would you recommend the 4000 XS

http://www.dba.com.au/heavy-duty-4000-xs/

or the 4000 T3 ?

http://www.dba.com.au/products/clubspec-t/4000-t3/

 

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