[T2] Engine intermittently turns off while coming to a stop

[Richard F Coombs]

Max,

When you started the engine with the brake pedal depressed, did the brake pedal soften up a bit, drop a little, & then hold solid at that lower pedal height? This is normal operation for a vacuum-assisted power brake system. Also, if your check valve is good, you should have enough stored vacuum that you can shut the engine off & pump the brakes at least twice before the assist goes away, and the pedal gets rock-hard again. This is a safety feature.


Richard

'71 hippie Bus "Putt-Putt"
'71 homebrew camper "Sugar Magnolia"
my71vwbusputt-putt at blogspot.com



-----Original Message-----
From: type2 [mailto:type2-bounces at type2.com] On Behalf Of Max Bronsema
Sent: Wednesday, September 03, 2014 11:46 PM
To: Bob carroll
Cc: VW type 2 late aircooled
Subject: Re: [T2] Engine intermittently turns off while coming to a stop

Hi again,

My bus does have the booster, I am in the US, WA state, so I have always had the booster. I've never had issues with it as of yet. I ran through all of the tests, except Andy's sniffer test so I'll address that one tomorrow.

Here is what I did try:

1) Start the bus in neutral with my foot depressed on the brake pedal.
There was no noticeable fade that I could sense.
2) With the bus idling, I pumped the brakes and noticed no difference in the engine RPM.
3) I do not see any fluid loss from the normal culprits.
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