Crankshaft Seal, Belt Pulley Side
Special tools and workshop equipment required
- Seal remover 3203
- Counter support 3415
- Assembly tool T10053
- Torque wrench (5-50 Nm) VAG 1331
- Torque wrench (40-200 Nm) VAG 1332
Removing
-- Remove the ribbed belt. refer to RIBBED BELT .
-- Remove the toothed belt, refer to one of the following:
-- Loosen the crankshaft toothed belt gear bolt. Secure the toothed belt gear using the 3415.
-- Remove the crankshaft toothed belt gear center bolt -1-, and gear -2-.
-- Remove the diamond disc -3- from the toothed belt gear.
-- To guide the 3203, install the center bolt to crankshaft by hand until seated.
-- Loosen the inner portion of the 3203 from the outer portion nine turns (approximately 20 mm) and secure it with the knurled bolt.
-- Grease the threaded head of the 3203, position and screw into the oil seal as far as possible with forced pressure.
-- Loosen the knurled bolt and turn the inner portion against the crankshaft until the seal is pulled out.
Installing
-- Before installing, remove any remaining oil from the end of the crankshaft with a clean cloth.
-- Position the T10053/1 on the crankshaft end.
-- Slide the dry oil seal over the T10053/1 onto the crankshaft end.
-- Press in the oil seal using the T10053 and the T10053/2 (M16 x 1.5 x 60) until seated.
There must be no oil on the contact surfaces between the toothed belt gear, diamond disc and crankshaft.
Replace the center bolt and the diamond disc.
The threads and shoulder must be free of oil and grease.
-- Install the crankshaft toothed belt gear -2- with new diamond disc -3- and new center bolt -1-.
-- Use the 3415 to tighten the crankshaft toothed belt gear bolt.
-- Tighten the center bolt to 90 Nm and then an additional 90° (1 /4 turn). The additional turn can be done in steps.
The rest of the assembly is basically a reverse of the removal sequence.
Install the toothed belt and adjust the valve timing, refer to one of the following: