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    vauxhall ecotec engine with poor vacuum

    X14XE in 1997 Astra F Engine very sluggish, vacuum is 9" at normal idle; should be 18 - 22"; compressions are all OK; brakes are crap because of insufficient vacuum. Have checked for leaks from the easy-to-treach hoses. Is this a known problem with these engines? diesel
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    Gravity DHW appears to go in reverse; inefficient operation

    My hot water appears to leave the boiler from the lower tapping and return via the upper tapping ie the lower pipe is much hotter; also on the hot water cylinder the hot water appears to enter at the bottom and leave at the top; surely this is the wrong way round? Why would this be? It happens...
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    Astra mk3 brakes lousy

    The brakes on this newly acquired astra work well enough for ordinary driving but when you go to do an emergency stop the pedal feels like it is hitting a mechanical stop and the braking effort isn't as good as it should be. I got my father to test drive it yesterday and he agreed there was...
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