1997 toyota 4runner rear brake proportion valve problems. Examine the proportioning valve body for any leaks indicating a worn or blown seal. Also parts can wear stick rust etc. Verify that the brake sensor wire has a tight clean connection to the sensor tip.
I would suspect your rear brakes are out of adjustment. Remove the small rubber mushroom device that sits on the cap screw on top of the proportioning valve. If you want to replace it by a new on it is quite pricey the upper line is the inlet of the valve and the lower line is a return line that sends excess brake fluid and pressure back to the front brakes.
It is fixed from the factory. The largest 4runner community in the world. The 1997 toyota 4runner has 6 nhtsa complaints for the service brakes hydraulic at 71256 miles average.
Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. 1997 toyota 4runner brake pad knock noise 4x4 46641 3141997 1997 toyota. Car complaints car problems and defect information latest news.
The load sensing valve can usually be found secured to the frame rail. If not used that can cause problems. There is no adjustability in the brake proportioning valve.
97 4runner 34l 5spd 4wd trd sc urd 7th injector tc upper arms fox 25 extended travel coil overs icon 25 piggy back rear shocks ome 2 lift rear springs fj cruiser wheelscustom front skid modified trail gear rock sliders tundra brakes 27570r17 bfg at ko2 true track corbeau sport seats trs h1 hid retrofit. What this valve does is proportionally adjust the rear brakes to what you are carrying in the bed. Exploded view of the load sensing valve and its related components.
In stock form the lspv is a valve that attaches an arm to the rear axle so that a heavily loaded bed compressed the suspension which applies more braking power to the rear brakes. When working correctly shoe wear is adjusted by regularly using the parking brake. Toyota 4runner 4wd rear propeller shaft driveshaft clunkthunk noise 173308 2162012 2012.
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