Exhaust Camshaft Seal: Notes

Special tools and workshop equipment required 

• Seal Puller - General Useage 2085
• Retainer 3036
• Assembly Tool T10071
• Puller T40001
• Toothed Belt Tensioner T10020
• Locking Pin T10060A

Removing 

-- Disconnect the electrical connector on the mass airflow (MAF) sensor -G70- -3-.

Fig 1: Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector, Clips & Front Air Intake Connector On Lock Carrier

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-- Open clips -1 and 2- and remove air guide hose from MAF sensor.

-- Remove front air intake connector on lock carrier -4-.

-- Remove engine cover.

-- Open cap of coolant expansion tank.

-- Remove center noise insulation fasteners -1 to 4-.

Fig 2: Center Noise Insulation Fasteners And Center Noise Insulation Panel

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-- Remove the right noise insulation -arrows-.

Fig 3: Identifying Right Noise Insulation -Arrows-, Removal

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-- Remove noise insulation frame -arrow-.

Fig 4: Identifying Noise Insulation Frame, Removal

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-- Drain the coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .

-- Remove toothed belt. Refer to TOOTHED BELT, WITHOUT DIVIDED TOOTHED BELT GUARD .

-- Loosen camshaft sprocket, using the 3036.

Fig 5: Counterholding Camshaft Gear Using 3036 Retainer

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-- Pull off the camshaft sprocket using the T40001 and claws T40001/6 and T40001/7.

Fig 6: Identifying Puller T40001, Claw T40001/6 And Claw T40001/7

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-- To guide seal puller, thread special tool 2085/2 of the 2085 into the camshaft by hand up to the stop.

Fig 7: Identifying Thread Adapter 2085/2

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-- Unscrew inner portion of 2085 two rotations (approximately 3 mm) from outer portion and secure with knurled-head bolt.

-- Lubricate threaded head of 2085, position and forcefully screw into seal as far as possible.

Fig 8: Identifying Positioning And Screwing Of Bolt Into Oil Seal As Far As Possible With Forced Pressure

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-- Loosen knurled bolt and turn inner part against camshaft until seal is removed.

-- Secure the seal remover in a vise at the flat spots. Remove seal using pliers

Installing 

• For the correct tightening specifications, refer to VALVETRAIN OVERVIEW 

-- Do not seal lip of sealing ring.

-- Place the guide sleeve T10071/1 from the T10071 on camshaft pin.

Fig 9: Identifying Guide Sleeve T10071/1 Placed On Camshaft Pin

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-- Slide seal over guide sleeve onto shaft pin.

-- Remove the guide sleeve.

-- Press sealing ring on as far as stop with the guide sleeve T10071/3 and screw T10071/4 from the T10071.

Fig 10: Pressing In Gasket Up To Stop Using Thrust Sleeve T10071/3 And Bolt T10071/4

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