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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension (Sedan) (A5 Platform) >> 40 Front Suspension >> Description And Operation >> SUBFRAME, Lowering

SUBFRAME, Lowering

Special tools and workshop equipment required 

Removing 

-- Turn the steering wheel to the straight-ahead position and remove the ignition key so that the steering wheel lock engages.

-- Remove foot well trim -1-, unscrew nuts -arrows- to do so.

Fig 1: Identifying Footwell Trim And Nuts
GWWN48-10148Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolt -1- and remove the universal joint -2- from the steering gear.

Fig 2: Identifying Universal Joint
GWWN48-10149Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the lower noise insulation. Refer to Description and Operation .

-- Remove exhaust system bracket from subframe -arrows-.

Fig 3: Identifying Heat Shield Bolts
GWWN40-10295Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove pendulum support from transmission, unscrew bolts -14- to do so.

Fig 4: Locating Pins T10096 Installation Position
GWWN40-10020Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the coupling rods from the stabilizer bar.

-- Subframe, securing, refer to SUBFRAME AND CONSOLES, SECURING .

-- Place the V.A.G 1383 A under the subframe.

Fig 5: Identifying Engine/Transmission Jack V.A.G 1383 A Placed Below Subframe
GWWN40-10028Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Place for example a block of wood -1- between V.A.G 1383 A and subframe.

-- Remove the bolts -4- and -5- and lower the subframe maximum 10 cm.

Fig 6: Locating Pins T10096 Installation Position
GWWN40-10020Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
NOTE:

Be careful not to overstretch the electrical wire for the steering.

Installing 

Install in reverse order of removal.

-- Install the lower noise insulation. Refer to Description and Operation .

NOTE:

Make sure that the ball joint boot is not damaged or twisted.

Tightening Specifications 

Component Tightening Specification
Subframe to body
  • Use new bolts.
 70 Nm + 90° turn
Subframe to console
  • Use new bolts.
 70 Nm + 90° turn
Stabilizer bar to coupling rod
  • Use new nut.
  • Counterhold at joint pin inner multi-point fitting.
 65 Nm
Universal joint to steering gear
  • Use a new bolt.
 30 Nm
Exhaust system bracket to the subframe, refer to 2007 EXHAUST SYSTEM ASSEMBLY OVERVIEW , 2008 EXHAUST SYSTEM ASSEMBLY OVERVIEW or 2010 MUFFLER AND MOUNTS OVERVIEW .

Tightening Specifications, Pendulum Support to the Transmission 

CAUTION:

From MY 2008, Heli-Coil inserts are installed in the threads for the pendulum support threaded connection in the 02Q manual transmissions.

On these and all other transmissions, use strength class 10.9 bolts.

If, in the 02Q manual transmissions, there is not Heli-Coil insert, then use 8.8 strength class bolts and the appropriate tightening specification.

Bolt Tightening Specification
M10 x 35 strength class 8.8:
  • Use a new bolt.
 40 Nm + 90° turn
M10 x 35 strength class 10.9:
  • Use a new bolt.
 50 Nm + 90° turn
M10 x 75 strength class 8.8:
  • Use a new bolt.
 40 Nm + 90° turn
M10 x 75 strength class 10.9:
  • Use a new bolt.
 50 Nm + 90° turn
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