General information
Designation:
- Engine 1.8 l (1769 cm3) — XUD7
- Engine 1.9 l (1905 cm3) — XUD9
Engine codes*:
- Engine 1.8 l - A9A (XUD7L)
- Engine 1.9 l - D9B (XUD9A) or DJY (XUD9Y)
Cylinder diameter:
- Engine 1.8 l. - 80.00 mm
- Engine 1.9 l. - 83.00 mm
- Stroke - 88.00 mm
- The direction of rotation of the crankshaft is clockwise
- Cylinder #1 Location - (when viewed from the right side of the car) close to gearbox
- Compression ratio - 23:1
* The engine code is stamped on a plate affixed to the front of the cylinder block. The code in brackets is the factory identification number.
Compression pressure (hot engine, cranking)
Normal - 25... 30 bar
Minimum - 18 bar
The maximum difference between any two cylinders is 5 bar
Camshaft
Drive - toothed belt
Number of bearings - 3
Axial clearance - 0.07... 0.16 mm
Valve clearances (with a cold engine)
Inlet valves - 0.15±0.05 mm
Exhaust valves - 0.30±0.05 mm
Lubrication system
Oil pump type - gear, chain driven from the right end of the crankshaft
Minimum oil pressure at 90°C - 3.5 bar at 4000 rpm
The operating pressure of the low oil pressure warning light switch is 0.8 bar
Tightening torques for threaded connections - Nm
Connecting rod bearing cap nuts:*
- Stage 1 - 20
- Stage 2 - turn 70°
- Camshaft bearing cap nuts - 20
- Camshaft pulley bolt - 45
- Bolts of fastening of the case of a cuff of a cranked shaft — 16
Crankshaft Pulley Bolt:
- Stage 1 - 40
- Stage 2 - turn 60°
Bolts of fastening of a head of cylinders (Togh, see paragraph 13):
- Stage 1 - 20
- Stage 2 - 60
- Stage 3 - turn 180°
- Bolts of fastening of a cover of a head of cylinders — 20
- Bolts of fastening of the engine to a transmission — 50
Left engine/gearbox mount:
- Central nut - 65
- Bolts of fastening of a basic arm to a body — 25
- Rubber Mount Nuts/Bolts - 25
- Support pin to bracket - 50
Rear engine/gearbox mount:
- Nut/bolt fastening the coupler to the rubber support - 50
- Nut / bolt fastening the tie to the subframe - 50
- Bolts of fastening of a support to the block of cylinders — 45
Right engine/gearbox mount:
- Engine bracket bolts (tensioner assembly) — 18
- Support bracket nuts - 45
- Rubber support to the body - 40
- Flywheel mounting bolts * - 50
- Nut of fastening of a gear pulley of the fuel pump of a high pressure — 50
- Screws of fastening of a puller of a gear pulley of the fuel pump of a high pressure — 10
- Bolts of fastening of covers of radical bearings — 70
- Oil pump mounting bolts - 13
- Oil pan bolts - 19
- Bolts for fastening the covers of the timing belt - 8
- Timing belt tensioner adjusting bolt - 18
- Nut of the axle of the timing belt tensioner - 18
* New nuts/bolts must be used.