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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (4X - Chassis - General -- CARRERA (997)) >> WM 4X00IN Symptom: Brake Noise (Squealing) (All Models) >> Brake noise (squealing) - grey cast-iron brake discs >> 911 C2/C4 (3.6 l) standard brakes (grey cast iron) - as of 2009 model

911 C2/C4 (3.6 l) standard brakes (grey cast iron) - as of 2009 model

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
Front axle Rear axle
Characteristics: 
  • 4-piston fixed calliper with two bars 
  • Brake pads with sliding plate

Symptom: 
Brake noise (squealing) on front axle during braking, just before the vehicle stops, when the brake pedal is pressed lightly.
Remedial action: 
Remedial action 1 
  • Grease the sliding plate -1-  (on brake pads with a small sliding plate) in the contact surface area of the brake pistons with Interflon HT (Part No. 999.917.565.40).
  • Relates only to brake-pad repair kits 997.351.938.03, 997.351.938.04 and 997.351.938.19.
G09825484G09825485

Brake-pad backing plate with small sliding plate 
Remedial action 2 
Install brake pads with a large sliding plate (on the backing plate) -1-  .
These brake pads with a large sliding plate (on the backing plate) -1-  have integrated grease pockets.
As a result, the contact surface area of the brake pistons does not need to be greased with Interflon HT  .
G09825484G09825485

Brake-pad backing plate with large sliding plate 
References: 
Characteristics: 
  • 4-piston fixed calliper with two bars
  • Brake pads with sliding plate

Complaints/symptom: None