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Removing the cylinder head on the VR6 engine
To remove the head of the block, do the following: - Remove the spark plug wire guides, relegating them along the cylinder, then pull them up, as shown by the arrows; - Remove the ignition distributor, pull the cable ends of candles with a candle;
| Fig. 2.56. The upper part of the cylinder head 1 - spark plug cable with connectors and a cable guiding device; 2 - a cover of the distributor of ignition; 3 - valve cover; 4 - sealing the housing; 5 - the top of the intake manifold; 6 - bolt 25 Nm; 7 - a casing of the cylinder head; 8 - support the collector; 9 - nut 1 Nm
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- Remove the valve cover 3 (Fig. 2.56) and its gasket must be replaced; - Remove the upper part of the intake manifold, which is attached to the bottom of the reservoir and to the engine shield; - Disconnect the manifold support 8; - Remove the heat shield of the exhaust manifold; - Remove the lower part of the intake manifold, paying attention to how you set up both sides of the gasket to properly install the new ones; - Remove the need for removing the head elements of the valve timing (upper chain should be free from both asterisks camshafts); - Remove the ignition distributor; - Disconnect the chain tensioner 6 from the body of the cylinder head;
| Fig. 2.57. The lower part of the cylinder head 1 - bolt 24 Nm; 2 - tensioner for the timing belt; 3 - the cylinder head bolts; 4 - cylinder head; 5 - a cover of a camshaft; 6 - double chain tensioner 20 Nm; 7 - the ignition distributor; 8 - bolt 25 Nm; 9 - cylinder head gasket
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- Disconnect the plate from the lower half of the valve cover and then remove the cover 5 (see. Fig. 2.57);
| Fig. 2.58. The sequence of tightening the cylinder head bolts
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- Loosen the cylinder head in the reverse order shown in Fig. 2.58.
Table 2.6 Dimensions of valve seats
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