Combustion leaks into the cooling system can also be checked by using the Bloc-Chek® Kit C-3685-A or equivalent. Perform test following the procedures supplied with the tool kit.
Scheme 27
Scheme 28
Scheme 29
Scheme 30
Scheme 31
Scheme 32
Scheme 33
- Remove the engine air cleaner housing. See «REMOVAL»(ref-306563-S23334034382008121700000) .
- Remove the mass air flow sensor.
- Drain the engine coolant. Refer to «STANDARD PROCEDURE»(ref-306586-S31939057842008121700000) .
- Remove the radiator with radiator fan. Refer to «REMOVAL»(ref-306586-S04065330562008121700000) .
- Disconnect the camshaft position sensor harness connector (1) and remove the bolt (2) and the sensor. (right side only).
- Drain the engine oil. See «STANDARD PROCEDURE»(ref-306563-S17946985482008121700000) .
- Remove the intake manifold. See «REMOVAL»(ref-306563-S10108868292008121700000) .
- Remove the cylinder head cover. See «REMOVAL»(ref-306563-S21880504022008121700000) .
- Disconnect the exhaust system at the exhaust manifolds. Refer to «REMOVAL»(ref-306569-S17295290192008121700000) .
- Position the crankshaft 40° ATDC. See «OPERATION»(ref-306563-S29510291192008121700000) .
- Using Special Tools 9104 (1) and 9105 Camshaft Locating Plates, lock the camshafts by placing the tool flush on the cylinder head, and inserting it into the groove in the camshaft.
- Remove the timing chain tensioner (1).
- Use a cable tie (1) to secure the timing chain to the right hand camshaft sprocket.
- Remove the camshaft sprocket bolts (1) and the sprockets.
- Remove Special Tools 9104 and 9105 Camshaft Locating Plates.
- Remove the camshafts. See «REMOVAL»(ref-306563-S20736061762008121700000) .
- Loosen the cylinder head bolts using the sequence diagram.
- Remove the cylinder head bolts (1), the cylinder heads, and the gaskets.