If the effort on the pedals during braking has noticeably increased compared to normal, check the brake booster with the vehicle stationary.
You will need: flat blade screwdriver, rubber bulb.
1. With the engine off, press the brake pedal five or six times. Keeping the brake pedal depressed, start the engine. The brake pedal should move forward. If it doesn't, check...
2.... tightness of the vacuum hose in the intake pipe (for clarity, the throttle assembly is removed)...
3.... and a vacuum booster (battery tray removed for clarity).
4. To check the operation of the check valve, remove the battery tray (cm. «Removal and installation of the shelf of fastening of the rechargeable battery»).
5. Pry off the vacuum hose fitting with a screwdriver..
6.... and remove it from the hole in the sealing sleeve of the vacuum brake booster.
7. Firmly insert the nose of the pear into the end of the vacuum hose with which the hose was connected to the vacuum booster, and squeeze it. The air from the pear should exit through the valve.
8. Release the pear. If it remains in a compressed state, then the valve is working. In the absence of a pear, you can purge the valve with your mouth.
9. If the check valve lets air through in both directions, replace the vacuum hose assembly with the valve, for which..
10.... holding the seal with a screwdriver..
NOTE: Throttle assembly removed for clarity.
11.... remove the vacuum hose fitting from the intake pipe opening..
12.... and remove the vacuum hose assembly with the check valve.
13. Install the parts in the reverse order of removal.
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