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Crankcases and PCV Valves Questions

Total questions: 366

What is a PCV valve?
Popularity: 300

How often should the PCV valve be replaced?
Popularity: 241

Could a broken PVC elbow or vacuum line cause the crank position sensor to go out?
Popularity: 119

How do you fix a leak in your PVC valve grommet?
Popularity: 117

Would changing the PCV valve make a difference in shifting?
Popularity: 104

What would cause both PCV hoses to split?
Popularity: 91

How do you repair the front crank shaft seal?
Popularity: 89

What can cause pressure in an engine crankcase?
Popularity: 85

Where is the pcv valve located on a 1996 supercharged series 2 GM engine?
Popularity: 78

If you have a leaky valve in your engine how much would it typically cost to have repaired?
Popularity: 65

How does the PVC valve come off?
Popularity: 62

If your speedometer is not working could it be the PCV valve?
Popularity: 60

Where is the PCV valve on a car located?
Popularity: 50

How do you replace the crank shaft in a front wheel drive car?
Popularity: 48

What was used before PCV valves?
Popularity: 43

What is a crankshaft?
Popularity: 43

Where is the pcv valve on a 1986 Grand Marquis?
Popularity: 39 | Needs Answer

What is the function of a pcv valve?
Popularity: 35

How does a positive crankcase ventilation system work?
Popularity: 33

How would a car run if it had a bad PCV valve?
Popularity: 33

If a 97 cat 3116 had excessive blow-by through crank case vent tube and was hard to start when set overnight but you plugged block heater in heavy smoking stopped while idling and engine started right?
Popularity: 32

1995 jeep grand limited can not get it above 4200 rpm what is wrong?
Popularity: 31

If pcv isnt hooked up will engine blow oil out at high speed?
Popularity: 27

Positive crankcase ventilation?
Popularity: 26

Where is the PCV valve located on a 2000 Honda Civic?
Popularity: 26

What is a pcv valve?
Popularity: 21

How do you find the the PCV valve on an engine?
Popularity: 18

Where is the crank shaft sensor located on a 1998 chevy malibu?
Popularity: 17

Where is the pcv valve located on 1993 altima?
Popularity: 16

Where is the PVC Valve on a 1997 Chevrolet S-10 4cyl?
Popularity: 15

How much des it cost to rebuild a 2002 ford engine?
Popularity: 11

Where is the PCV Valve on a 1999 Honda Civic EX?
Popularity: 11

Where is the crankshaft pulley located on a 1997 ford mustang?
Popularity: 11

How do you change the spider assembly on a 1997 chevy suburban?
Popularity: 9

Where is the EGR Valve on a '98 Jeep Cherokee 4.0 Liter?
Popularity: 9

Where can you find the pcv valve on a 2005 dodge magnum 2.7?
Popularity: 8

Why exhaust valve is smaller than inlet valve?
Popularity: 8

Where is the valve cover on a 1995 pontiac sunfire 2.2L?
Popularity: 8

Crankshaft sensor 1997 ISUZU RODEO?
Popularity: 8

Where is the PCV valve located on a 1995 Chevy Blazer?
Popularity: 8

Can you use a 96 saturn sl2 motor in a 99 sl2?
Popularity: 7

Is the crankshaft usually on the left or right side of the block on Ford vehicles?
Popularity: 7

Where is a diagram for finding the vacuum line for a 1988 Chrysler LeBaron?
Popularity: 7

Would a car start running then stall immediately if there was a PVC valve that needed replacing?
Popularity: 7 | Needs Answer

What do you do if the engine does not turn over on a 1995 Chevy Blazer?
Popularity: 6

Why would plug by oil filter laek water84 305 motor?
Popularity: 6

What causes a thrown rod?
Popularity: 5

How do you replace the valves in a Chevy 350 engine?
Popularity: 5

How do you take off the oil pan on a 1986 Buick Regal?
Popularity: 5

Where is the location of a PCV valve on a nissan quest?
Popularity: 5 | Needs Answer

Will breaking the timing belt damage the engine on a 2000 Subaru Forester?
Popularity: 4

Gas in ford diesel truck what will happen?
Popularity: 4

Would a quote on replacing the rear main oil seal on your 2000 isuzu amigo of 800.00 seem reasonable?
Popularity: 3

How do you change a crankshaft front oil seal in a 1994 saturn?
Popularity: 3

Pvc 92 old supreme?
Popularity: 2

When replacing an oil pan gasket on a 1992 S-10 2.5 pick-up should you use rubber front and rear gasket or silicone?
Popularity: 1 | Needs Answer

Routine Tune up a 1996 Ford F150?
Popularity: 1 | Needs Answer

Where is PCV valve on a 1986 chevy nova?
Popularity: 1 | Needs Answer

Repairs for High NOx on 1998 v8 Toyota Landcruizer other than catalytic converters?
Popularity: 1 | Needs Answer

Can a breather oil serparator cause a spark plug to foal?
Popularity: 1 | Needs Answer

What does a breather oil serparator do it's on a 26 hp kohler motor?
Popularity: 1 | Needs Answer

Where does the vacuum hoses go on your 84 GMC high sierra 2500?
Popularity: 1 | Needs Answer

How do you change pcv valve on a 2002 Toyota Corolla?
Popularity: 1 | Needs Answer

How do you Change 2003 4Runner V8 PCV Valve?
Popularity: 1

Where is the crankshaft sensor position located on the 3100 v-6 engine?
Popularity: 1 | Needs Answer

What causes oil to be in the air intake on a Ford Windstar 3.8 liter?
Popularity: 1

Where is the Pcv chevy cavalier z24?
Popularity: 1 | Needs Answer

Will a bad PVC cause the idle to go up and down about 200 RPMs and stall and die at a stop light?
Popularity: 1

Where is the pcv located on a 1998 firebird?
Popularity: 1 | Needs Answer

What is Big end bearing?
Popularity: 1



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