brake acuater

[Skidmark]

does a navarra d40 have a rear brake acuater if so where is it situated, cheers

 

[Old.Tony]

There are four primary connections for the rear brakes:

1) Hydraulic connection to the pistons in the drum housing*
2) ABS control over the pressure in the hydraulic lines**
3) Cable connection from the handbrake
4) A "load sensing valve" which reduces pressure to the rear brakes when lightly loaded (to prevent wheel lockup).

Notes:

* Brake pressure is boosted by a brake booster operated by vacuum control, which is in the engine bay. Loss of vacuum (usually from worn/damaged vac lhoses) will impair braking efficiency

** The manual describes the ABS unit as an "actuator". This is in the engine bay on the vehicle left hand side for right-hand drive vehicles. ABS is controlled by toothed rings on each wheel, the front ABS rings usually suffer from debris entering and blocking the sensors when the wheel bearing starts to fall apart.

Does that help?

 

[Skidmark]

There are four primary connections for the rear brakes:

1) Hydraulic connection to the pistons in the drum housing*
2) ABS control over the pressure in the hydraulic lines**
3) Cable connection from the handbrake
4) A "load sensing valve" which reduces pressure to the rear brakes when lightly loaded (to prevent wheel lockup).

Notes:

* Brake pressure is boosted by a brake booster operated by vacuum control, which is in the engine bay. Loss of vacuum (usually from worn/damaged vac lhoses) will impair braking efficiency

** The manual describes the ABS unit as an "actuator". This is in the engine bay on the vehicle left hand side for right-hand drive vehicles. ABS is controlled by toothed rings on each wheel, the front ABS rings usually suffer from debris entering and blocking the sensors when the wheel bearing starts to fall apart.

Does that help?

Thanks for the reply