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In the past on my 89 and 99 Astros. When this happens the small vacuum line that runs from the front of the Driver Side Valve Cover to the HVA System on the Passenger side has been broken. This line runs across the front of the engine and becomes brittle from the heat and can crack or break in two. Best results are to replace the vacuum line instead of splicing it.
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∙ 15y ago
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