Brakes - Pedal is Hard to Apply
BULLETIN NUMBER:P-Si-43.10/01
GROUP:
43
DATE:
December 1999
SUBJECT:
BRAKE PEDAL HARD TO APPLY
MODELS:
170.447 (MY 1999-2000), 202.024
SYMPTOM
If you receive complaints that the brake pedal feels hard to apply when starting the engine cold, please follow the below corrective action.
POSSIBLE CAUSE
A combination of cold start vacuum equalization, engine RPM necessary for catalyst warm up, and vehicle positioning.
CORRECTIVE ACTION
Figure 1:
1. Replace the existing brake booster hose (Figure 1) with the modified brake booster hose (part number A 170 430 1729 for Model 170.447 and A 202 430 6029 for Model 202.024).
Figure 2:
2. Replace the existing crankcase vent hose between the oil separator and air filter housing (Figure 2) with the modified crankcase vent hose (part number A 111 081 3382 for Model 170.447 and A 111 081 31 82 for Model 202.024) and connect it to the venturi on the brake booster hose.