The device, service, Suzuki Grand Vitara SQ416/SQ420/420WD repair - Check of linear pressure//Suzuki the Grandee of Wetar since 1998 /

Suzuki Grand Vitara SQ416/SQ420/420WD

since 1998 of release

Repair and car operation



Suzuki Grandee of Wetar
+ General information
+ Maintenance and greasing
+ Heater, ventilation and conditioner
+ Steering
+ Suspension bracket
+ Wheels and tires
+ Forward driving shaft/bearing of a shaft. Oil epiploon
+ Driveshafts
+ Brake system
+ Engines
+ Fuel system
+ ignition System
+ start System
+ release System
- Transmissions
   + Mechanical transmission (type 1)
   + Mechanical transmission (type 2)
   - Automatic transmission (4 A/T)
      + General description
      + Diagnostics of an automatic transmission
      + Precautionary measures at diagnostics of malfunctions
      - Visual survey
         Main check of automatic transmission
         Tables of diagnostics of malfunctions
         Verification of the electroscheme of light
         Codes of malfunctions
         Check of linear pressure
         Test in garage
         Test on the road
         Manual test on the road
         Delay check
         Check of a motor brake
         Check of a range of "P"
      + Service out of a workshop
      + System of blocking of brakes
      + system Check
+ Coupling
+ Transfer
+ Forward and back differentials
+ Windows, mirrors, locks and security measures. Immobilizer
+ Electric equipment





Check of linear pressure

The purpose of this dough is check of working conditions of each part by means of measurement of pressure of liquid on lines of pressure of liquid. The following conditions are necessary for implementation of the test of linear pressure:

Liquid of an automatic box has normal working temperature (70-80 ° C/158 – 176°F).

Liquid is filled to demanded level (between marks on щупе "COMPLETELY HEATED-UP" and "NEPROGRETY").

1 — an opening for check of pressure of liquid
2 — the case pallet

 PERFORMANCE ORDER

  1. Reliably put on the parking brake and put to wheels the verifying device.
  2. Attach the device for measurement of pressure of liquid to an opening for check of pressure of liquid in the transmission case. Special tool (A): 09925-37810.

Having attached the device for check of pressure of liquid, check, that there was no leakage of liquid.


1 — the case pallet
2 — an exhaust pipe
  1. Press up to the end a brake pedal, include idling of the engine and limiting, and then check pressure of liquid in situation "D" or "R".

Do not leave the engine to work at speed limit more than 5 seconds.

G16 engine

Power setting

Linear pressure

Situation "D"

Situation "R"

On single speed

3.9-4.4 kg/cm2

55-63 psi (pound / кв.дюйм)

5.1-5.7 kg/cm2

73-81 psi

On speed limit

11.7-13.2 kg/cm2

166-188 psi

14.2-16.7 kg/cm2

202-237 psi

J20 engine

Power setting

Linear pressure

Situation "D"

Situation "R"

On single speed

3.8-4.3 kg/cm2

54-61 psi (pound / кв.дюйм)

5.3-5.9 kg/cm2

75-84 psi

On speed limit

9.7-11.2 kg/cm2

138–159 psi

12.9-15.5 kg/cm2

183–220 psi

G16 engine

Power setting

Linear pressure

Situation "D"

Situation "R"

On single speed

3.9-4.4 kg/cm2

55-63 psi (pound / кв.дюйм)

6.6-7.2 kg/cm2

94-102 psi

On speed limit

11.3-12.7 kg/cm2

161-181 psi

14.7-22.7 kg/cm2

209-323 psi


Results of check

Possible reason

Linear pressure is higher than standard level in each situation

* Faulty valve of a regulator

* Faulty valve of a throttle

* the cable of a throttle of an automatic transmission is not adjusted

Linear pressure is lower than standard level in each situation

* Faulty coupling of raising transfer

* Faulty oil pump

* Faulty valve of a throttle

* Faulty valve of a regulator

* the cable of a throttle of an automatic transmission is not adjusted

Linear pressure is lower than standard level only in situation "D"

* Leakage of liquid from direct coupling

* Faulty coupling of raising transfer

* Leak in a chain of pressure of liquid in situation "D"

Linear pressure is lower than standard level only in the situation "R"

* Leakage of liquid from direct coupling

* Faulty coupling of raising transfer

* Leakage of liquid from a backing brake

* Leak in a chain of pressure of liquid in the situation "R"

Moment of an inhaling of a stopper of the case of a transmission: 17 N • m (1.7 kg-m, 12.0 pounds foots).