vacuum leak
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Of fan clutches and mileage
I have read all I can find on fan clutches, and I am still a little stuck. Been doing a lot of deferred maintenance over the last year (TLDR is/was my elderly father's, but now I drive it). I noticed a precipitous drop in fuel mileage after changing out the water pump and fan clutch (severe...- bcja
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- exhaust manifold fan clutch fuel economy fuel trim oxygen sensor roaring noise severe duty vacuum leak
- Replies: 63
- Forum: General Discussions
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Engine performance
So i have a 99 5.9 and i replaced my valve cover gaskets, since then it has not ran right. i have an exhaust leak where the exhaust pipe meets the manifold not sure if that could be contributing or not but i have changed the pcv valve and checked high and low for vacuum leaks, though i have not...- Ramdam59
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- 5.9 v8 stalling vacuum leak
- Replies: 2
- Forum: Engine & Performance
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Two Days Under the ‘01 For Clutch Replacement NV3500
So driving home from a trip to the mountains last week, I went to downshift and the transmission went *BANG* and the clutch pedal fell lifelessly to the floorboard. A quick look under the truck revealed that the throwout bearing left the chat in dramatic fashion. The parts counter guy asked...- MarkMac77
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- clutch nv3500 throwout bearing transmission noise vacuum leak
- Replies: 1
- Forum: General Discussion
