Refitting. The sealing surfaces may occur, leading to oil leaks after the valve cover is refitted

The sealing surfaces may occur, leading to oil leaks after the valve cover is refitted.

B . . . then lift it from place

 

 

4.4 Remove the two harness cover mounting	4.6a On 1.6 litre engines, the cover is held
by four nuts (arrowed). On 1.3 litre engines,	4.6b Cylinder head cover bolts/nuts/studs
bolts at the timing belt end of the cover
there is an additional nut at the front	- VVT-i engines

2A•6 Engine in-car repair procedures

 

 

4.7a The cover gasket (left arrow) can be re-used if it hasn't hardened - ensure the spark plug tube seals (right arrow) are in place before refitting the cover

 

 

 

7 The mating surfaces of the housing or cylinder head and cylinder head cover must be clean when the cylinder head cover is refitted. The rubber sealing gasket can be re-used unless it has seen high mileage and the rubber has hardened or cracked, then pull out the rubber seal and clean the mating surfaces with brake cleaner. Install a new rubber gasket, pressing it evenly into the groove around the underside of the cylinder head cover. If there's

 

4.7b Ensure the one-piece cylinder head cover gasket is fitted to the spark plug tube grooves-VVT-i engines

residue or oil on the mating surfaces when the cylinder head cover is installed, oil leaks may develop. Note: Make sure that the spark plug tube gaskets are in place on the underside of the valve cover before refitting it (see illustrations).

 

8 On VVT-i engines, apply sealant (Toyota

 

No 08826-00080 or equivalent) to the area where the timing chain cover abuts the cylinder head.

 

9 On all engines, refit the cylinder head cover and tighten the nuts/bolts evenly to the specified torque.

 

10 Refit the remaining parts, run the engine and check for oil leaks.

undo the screws and remove the right-hand engine undershield (where fitted).

 

4 Set the engine to TDC on No 1 cylinder as described in Section 3.