65637bd9



3.1.1.1. Specifications


Engine (general data)

Designation
GA
Engine code:
  – carburetor engines
GA14DS, GA16DS
  – injector engines
GA14DE, GA16DE
Working volume of cylinders:
  – GA14
1392 cm / cube
  – GA16
1597 cm / cube
Internal diameter of the cylinder
76,00 mm
GA14
76,0 mm
GA16
73,6 mm
Piston stroke:
  – GA14
88,0 mm
  – GA16
81,8 mm
Direction of rotation of the crankshaft
Clockwise (if to look on the right side of the car)
Finding of the 1st cylinder
From a gas distribution mechanism chain
Engine operating procedure
1–3–4–2
Extent of compression:
  – GA14DS
9,5: 1
  – GA16DS, GA14DE and GA16DE
9,8: 1
Compression pressure in cylinders:
  – nominal rate
13,2 kgfs/cm2
  – maximum permissible
11,3 kgfs/cm2
  – maximum permissible distinction of a compression in cylinders
1,0 kgfs/cm2
Cam-shaft and pushers:
  – drive
From a chain
  – number of support
5
Axial side play of a cam-shaft
Standard:
  – carburetor engines
0,115 – 0,188 mm
  – injector engines
0,070 – 0,143 mm
Limit (for all engines)
0,20 mm
Sizes of cams
Inlet valves:
  – carburetor engines
39,880 – 40,070 mm
  – injector engines
39,380 – 39,570 mm
Final valves (for all engines)
39,880 – 40,070 mm
Diameters of basic necks of a cam-shaft:
  – forward basic neck (N1)
27,935 – 27,955 mm
  – other basic necks (N2–5)
23,935 – 23,955 mm
Internal diameter of support of a cam-shaft in a head of cylinders:
  – a support under a forward neck (N1)
28,000 – 28,021 mm
  – under other necks (N2–5)
24,000 – 24,021 mm
Gap in basic necks of a cam-shaft:
  – standard
0,045 – 0,086 mm
  – limit
0,15 mm
Cam-shaft beating:
  – standard
No more than 0,02 mm
  – limit
0,1 mm
Outer diameter of a pusher
29,960 – 29,975 mm
Internal diameter of an opening under a pusher in a head of the block of cylinders
30,000 – 30,021 mm
Gap between a pusher and an opening
0,025 – 0,061 mm
Gaps in valves
On the cold engine (*):
  – inlet valves
0,25 – 0,33 mm
  – final valves
0,32 – 0,40 mm
On the hot engine:
  – for check:
  • inlet valves
0,21 – 0,49 mm
  • final valves
0,30 – 0,58 mm
  – for adjustment:  
  • inlet valves
0,32 – 0,40 mm
  • final valves
0,37 – 0,45 mm

(*) Gaps in valves are checked only on the hot engine. The manufacturer established standard gaps for the heated-up and cold engine. Gaps on the cold engine are checked only before start of the engine after capital repairs. After warming up of the engine it is necessary to check gaps again.

Lubrication system

Type of the oil pump
Gear, with the drive from a crankshaft sock
The minimum pressure of oil at a working temperature of the engine:
  – idling
0,49 – 1,86 kgfs/cm2
  – at 3000 rpm
3,43 – 4,41 kgfs/cm2
Gaps of the oil pump:
  – a gap between the conducted gear wheel and a pump housing
0,11 – 0,20 mm
  – a gap between the conducted gear wheel and a calibration crescent insert
0,04 – 0,38 mm
  – a gap between the leading gear wheel and a calibration crescent insert
0,04 – 0,30 mm
  – an axial side play of the conducted gear wheel
0,05 – 0,11 mm
  – axial side play of the leading gear wheel
0,05 – 0,09 mm

  – a gap between an end face the leading gear wheel and a cover of the oil pump
0,045 – 0,091 mm

The inhaling moments (in N. of m)

Bolts of fastening of a cover of a head of the block of cylinders
4
Bolt of fastening of a pulley of the crankshaft
142
Bolts of a natyazhitel of the lower chain
9
Nuts and bolts of a viewing cover of the conducted asterisks of cam-shafts
5
Bolt of an intermediate asterisk of a chain of a cam-shaft
50
Bolts of fastening of the conducted cam-shaft asterisk
115
Bolts of an uspokoitel of the lower chain
16
Bolt of an axis of a boot of a natyazhitel lower цеп
16
Bolts of a natyazhitel of the top chain
8
Bolts of an uspokoitel of the top chain – on cars of early releases
8
Bolts of the top guide – on cars of early releases
11
Bolts of covers of basic necks of a cam-shaft
11
Bolts of a head of the block of cylinders
Main bolts:
  – 1st stage of an inhaling
29
  – 2nd stage of an inhaling
59
To completely weaken bolts and again to tighten with the moment of the 3rd stage
  – 3rd stage of an inhaling
29
  – the 4th stage of an inhaling (at an inhaling a key with an angular scale)
To tighten on a corner 50 – 55 °
  – the 4th stage of an inhaling (at an inhaling a dynamometer key without angular scale)
59 ± 5
M6 bolts (fastening of a cover of the chain drive to a head of cylinders)
8
Nuts and bolts of the oil pallet
8
Drain stopper of the oil pallet
35
Bolts of a longeron of the power unit
88

Oil pump:

  – pump cover screws
5
  – pump cover bolt
5
  – bolt of the reducing valve
50