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Home >> Porsche >> 2018 >> Cayenne Turbo >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> 39 - Final Drive Differential, Differential Lock (4.8L Turbo) -- 92A - Cayenne (92A) >> Ti, 3965 Complaint - Repair Instructions In The Event Of Transfer Case Oil Leaks: Follow Recommended Course Of Action (34/19) >> 2 - Front Transfer Gear Housing (Bottom) - Damage, Possible Causes And Repair Measures

2 - Front Transfer Gear Housing (Bottom) - Damage, Possible Causes And Repair Measures

Work Procedure: 

In the event of leaks on the front transfer gear housing (bottom), check possible cause(s) and carry out the suggested repair measure(s).

Leak area (2): 

Leak area 2 

Front transfer gear (> Front transfer gear housing (bottom)):  Oil leak/oil coating in area where it joins main transmission (-Arrows-  )

G16315067Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Front transfer gear housing (bottom)

Cause (2A): 

Sealing ring on drive shaft for transfer gear leaking > Sealing ring leaking 

G16315068Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Sealing ring leaking

Repair measure (2A): 

Replace sealing ring for transfer gear, see > 399255 REMOVING AND INSTALLING SEALING RING FOR TRANSFER GEAR (INNER DRIVE) 

Parts required (2A): 

Part No. Designation - Use Qty.
958 341 199 20 > Sealing ring (55 x 80 x 8) - Drive shaft for transfer gear 1 ea.
WHT 003 211 > 12 point socket - Transfer gear screws 10 ea.
N 909 913 02 > Hex flange bolt (combination) - Cross member to outer body 4 ea.
N 105 167 02 > Hex flange bolt, self-locking - Cross member to inner body 2 ea.
N 900 639 05 > Hex flange bolt - Damper to transfer gear 4 ea.
958 349 493 00 > Circlip - Rear cardan shaft to transfer gear 1 ea.
958 349 490 10 > Circlip - Front cardan shaft to front-axle final drive 1 ea.
958 349 491 10 > Circlip - Front cardan shaft to transfer gear 1 ea.
955 301 115 01 > Screw plug - Oil inspection plug on transfer gear 1 ea.
958 111 220 XX (1) => Clamping sleeve
- Exhaust system		 X ea. (2)
(1) The complete part number must be determined for each vehicle using PET2.

(2) The actual number of clamping sleeves required for each vehicle type must be determined using PET2.

Required materials 

(2A): 

Part No. Designation Qty.
000 043 305 73 > Extreme pressure grease 100gtube
(approx. 5-10 grams required per vehicle)

Additional  materials required for vehicles with  hang-on transfer gear:

Sample  Porsche part number.

Part No. Designation Qty.
000 043 305 63 > Transfer gear oil 0.85-liter container
(smaller quantity as required)

Additional  materials required for vehicles with  Torsen transfer gear:

Sample  Porsche part number.

Part No. Designation Qty.
958 341 536 00 > Transfer gear oil 1-liter container
(smaller quantity as required)

Information 

Only the quantities that are actually added must be invoiced when using original Porsche fluids. Invoicing of 1-litre container is not permitted.

Labor operations (2A): 

LO Designation
39925552 Replacing sealing ring for transfer gear
39903550 Checking and topping off oil for final drive
396519XX (1) Removing and installing transfer gear
(1) The relevant labor operation for each vehicle type must be determined using the PCSS by specifying the VIN.

PQIS coding: 

For invoicing and documentation using PQIS, enter the following coding:

Location key (FES5) 39650 Transfer gear
Damage code (SA4) 5400 Oil leak

Cause (2B): 

Sealing ring on output shaft for main transmission leaking

> Sealing ring leaking 

G16315069Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Sealing ring leaking

Repair measure (2B): 

Replace sealing ring on rear output shaft, see > 387055 REPLACING SEALING RING FOR REAR OUTPUT SHAFT

Parts required (2B): 

Part No. Designation
- Use		 Qty.
955 321 189 00 > Sealing ring (41 x 72 x 11) - Output shaft for main transmission 1 ea.
WHT 003 211 > 12 point socket
- Transfer gear screws		 10 ea.
N 909 913 02 > Hex flange bolt (combination)
- Cross member to outer body		 4 ea.
N 105 167 02 > Hex flange bolt, self-locking
- Cross member to inner body		 2 ea.
N 900 639 05 > Hex flange bolt
- Damper to transfer gear		 4 ea.
958 349 493 00 > Circlip - Rear cardan shaft to transfer gear 1 ea.
958 349 490 10 > Circlip - Front cardan shaft to front-axle final drive 1 ea.
958 349 491 10 > Circlip - Front cardan shaft to transfer gear 1 ea.
958 321 581 00 > Sealing ring - ATF inspection plug 1 ea.
958 111 220 XX (1) => Clamping sleeve
- Exhaust system		 X ea. (2)
(1) The complete part number must be determined for each vehicle using PET2.

(2) The actual number of clamping sleeves required for each vehicle type must be determined using PET2.

Required materials 

(2B): 

Sample  Porsche part number.

Part No. Designation Qty.
000 043 305 73 > Extreme pressure grease 100gtube
(approx. 5-10 grams required per vehicle)
000 043 305 05 > Transmission oil 1-liter container
(smaller quantity as required)

Information 

Only the quantities that are actually added must be invoiced when using original Porsche fluids. Invoicing of 1-litre container is not permitted.

Labour operations 

(2B): 

LO Designation
38705550 Replacing output shaft seal
37023550 Checking and topping off ATF
396519XX(1) Removing and installing transfer gear
(1) The relevant labour operation for each vehicle type must be determined using the PCSS by specifying the VIN.

PQIS coding: 

For invoicing and documentation using PQIS, enter the following coding:

Location key (FES5) 39650 Transfer gear
Damage code (SA4) 5400 Oil leak

Cause (2C): 

Transfer gear he using leaking (cracked)

> Transfer gear housing leaking (cracked) 

G16315070Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Transfer gear housing leaking (cracked)

Repair measure (2C): 

Replace transfer gear, see > 396519 REMOVING AND INSTALLING TRANSFER GEAR 

Parts required (2C): 

Part No. Designation - Use Qty.
958 341 010 XX (1) Hang-on transfer gear 1 ea.
or 
958 341 020 XX (1) Torsen transfer gear 1 ea.
WHT 003 211 > 12 point socket - Transfer gear screws 10 ea.
N 909 91 3 02 > Hex flange bolt (combination) - Cross member to outer body 4 ea.
N 105 167 02 > Hex flange bolt, self-locking - Cross member to inner body 2 ea.
N 900 639 05 > Hex flange bolt - Damper to transfer gear 4 ea.
958 349 493 00 > Circlip - Rear cardan shaft to transfer gear 1 ea.
958 349 490 10 > Circlip - Front cardan shaft to front-axle final drive 1 ea.
958 349 491 10 > Circlip - Front cardan shaft to transfer gear 1 ea.
955 301 115 01 > Screw plug - Oil inspection plug on transfer gear 1 ea.
95b 111 220 XX (1) => Clamping sleeve
- Exhaust system		 X ea. (2)
(1) The complete part number must be determined for each vehicle using PET2.
(2) The actual number of clamping sleeves required for each vehicle type must be determined using PET2.

Required materials 

(2C): 

Part No. Designation Qty.
000 043 305 73 > Extreme pressure arease 100a tube
(approx. 5-10 grams required per vehicle)

Additional  materials required for vehicles with  hang-on transfer gear:

Sample  Porsche part number.

Part No. Designation Qty.
000 043 305 63 > Transfer gear oil 0.85-liter container (smaller quantity as required)

Additional  materials required for vehicles with  Torsen transfer gear:

Sample  Porsche part number.

Part No. Designation Qty.
958 341 536 00 > Transfer gear oil 1-liter container
(smaller quantity as Squired)

Information 

Only the quantities that are actually added must be invoiced when using original Porsche fluids. Invoicing of 1-litre container is not permitted.

Labor operations (2C): 

LO Designation
39903550 Checking and topping off oil for final drive
39651>XX (1) Kemo'ing and installing transfer gear
(1) The relevant labor operation for each vehicle type must be determined using the PCSS by specifying the VIN.

PQIS coding: 

For invoicing and documentation using PQIS, enter the following coding:

Location key (FES5) 39650 Transfer gear  
Damage code (SA4) 5400 Oil leak  
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