Subframe Mounting Threads

Subframe Mounting Threads

CAUTION!
Before starting any repairs always follow safety precautions located in.

Special tools, testers and auxiliary items required

• Thread repair set M14x1.5 (VAS 6027)

• Drill (VAS 6267)





1 Threaded sleeve (in vehicle)

• Threaded sleeve is not a replacement part and may only be repaired once if damaged!

• If damaged again, longitudinal member must be replaced.

2 Helicoil thread insert

Contents of Thread Repair Set





1 Spiral bore

2 Tap M14x1.5

3 Installing spindle

4 Thread insert M14x1.5x28

5 Peg breaker with magnetic tips

Repairing Threads

Threads, Drilling

- Drill out thread path up to thread base using spiral bore.





• For drilling and grinding, use drill (VAS 6267).

• While drilling, drill must be held by a second person using an additional handle.





Threads, Cutting

- If the required thread depth is not reached because the bore is placed crooked, a guide bore with a maximum 16 mm diameter dimension - a - and a maximum depth of 20 mm dimension - b - can be drilled.





- Thread is cut using tap until dimension - a - = at least 63 mm.





- Clean threaded bushing (blow with pressurized air).

Inserting Thread Inserts





- Screw thread insert - 3 - on to installing spindle until drive peg - 2 - makes contact on drive tab - 1 - of installing spindle.

- Install threaded insert - 1 - up to dimension - a - 30 mm +1/-3 in threaded sleeve (turn lightly without force).

- Check dimension on depth gauge.





- Remove installing spindle.

- Drive peg of thread insert is broken using the peg breaker.





- Install subframe (suspension subframe)