89 s13 hatchback brake booster problem - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

damianshouse1 · 03-08-2011, 07:13 PM

Woundering if a bad break booster would cause rough idle and if i should replace it

r20crazy · 03-08-2011, 09:27 PM

yes it should be replaced, but it wont cause a rough idle UNLESS its causing a vac leak along with the fluid leak

and it looks like the master cylinder is leaking, not the booster

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03-08-2011, 09:27 PM	#2
r20crazy Zilvia Junkie Join Date: Mar 2010 Location: 90501 Posts: 593 Trader Rating: (41) Feedback Score: 41 reviews	yes it should be replaced, but it wont cause a rough idle UNLESS its causing a vac leak along with the fluid leak and it looks like the master cylinder is leaking, not the booster