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Re: identification of engine accessory? Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: identification of engine accessory?, ramblerdrver, Sun, 11 Jun 2006 08:28:57 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Yes, it is an extra vacuum pump for the brakes.
I don'tknow why car makers suddenly feel their cars need an extra vacuum source when the model before has been working just perfect without one.
Volvo did that too in mid 80s with certain turbo models and then discontinued the vacum pump a year later.
The 4 cyl Saab engines though from 99 and up is what's called low friction engines and that might be a reason why they use an extra vacuum source due to that the engine is not producing enough vacuum by itself.
This could also be the reason for all PCV problems (and oil leaks) that those engine has been plauged with from 99 and up.
Anders
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