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Auxillary Air Valve

posted by  white90brick on  Fri Oct 31 14:12 CST 2014
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last visit: Sat Oct 18 12:44 CST 2014
[RELATED]

Frozen AAV's in these cars are about as common as frozen clocks. ;) You can try freeing it up by soaking in a lubricant overnight or putting it in boiling water. This never worked for me, but some have reported success... Rebuilding is also possible, though from what I've heard fixes are short-lived.

A lot of people simply plug-up the ports and baby the gas a bit off cold starts.

In the next generation of Bosch FI's they switched to electric-powered AVV's. This improved reliability tenfold. These will work in 1800's but you need to re-plum the hoses and run new power leads. The Part ID is: Bosch 0280140100.




--
1990 240 Wagon, 1984 Turbo Wagon, 1971 1800E Auto, 1971 1800E 4-Speed






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