Hyundai:: Elantra:: Camshaft

2.6. Camshaft

Removal

PERFORMANCE ORDER

Disconnect a wire of "weight" from the rechargeable battery.
Merge cooling liquid.
Remove the ventilation hose connecting the air filter and a cover of a head of the block of cylinders.
Remove the air filter.
Remove casings of a gear belt.
Uncover a head of the block of cylinders and the sensor of an angle of rotation of the camshaft.
Turn out a bolt and remove a pulley from the camshaft.
Turn out bolts and uncover bearings, the camshaft, yokes and compensators of gaps.

Removal and installation of nozzles and fuel pump of high pressure

The fuel system is affected by the high pressure (1350 bars).
Never you carry out work on fuel system during the operation of the engine or within 30 seconds after its stop.
Always observe precautionary measures.
Provide absolute purity.
Exclude falling of fuel nozzles.

Check

Yokes

PERFORMANCE ORDER

Check ease and smoothness of rotation of a roller.
Check a roller surface. Replace it, there are dents, damage or evidence of jamming.

Check a working end face of a core of the valve. If the end face of a core of the valve is worn-out or расклепан, replace the valve.

Camshaft

PERFORMANCE ORDER

Check camshaft necks for lack of uneven wear, cracks or damages.

Check contours of cams of the camshaft for lack of wear or damages. Measure height of each cam of the camshaft in two points.

Nominal height of cams of inlet valves: 34,697 mm
Nominal height of cams of final valves: 34,570 mm
Minimum admissible height of cams of inlet valves: 34,197 mm
Minimum admissible height of cams of final valves: 34,070 mm

Installation

PERFORMANCE ORDER

Install the camshaft on a head of the block of cylinders.

Before installation apply a thin film of pure engine oil on all surfaces of sliding of the camshaft.

Establish covers of bearings of the camshaft.

Make sure that the camshaft easily rotates by hand. After check uncover bearings and the camshaft and then establish yokes.
Make sure that the adjusting pin in a camshaft end face from a pulley is directed up.
In a certain sequence in two or three stages tighten bolts of fastening of covers of bearings the required moment. Inhaling moment: 26,5 – 29,5 N • m.

Tighten evenly bolts of fastening of covers.

Using the special tool, press oil consolidation of the camshaft. Before a press fitting of consolidation oil engine the external surface of consolidation. Insert oil consolidation on a forward end face of the camshaft and establish it, striking with the hammer adaptation, before its full installation.

Establish a pulley of the camshaft and fix it by a bolt. Inhaling moment: 120–140 N • m.
Establish a cover of a head of the block of cylinders.