pcv valve replacement

white nite · August 10th, 2008, 07:09 PM

how hard would it be to replace my pcv valve with the upper intake manifold still bolted to the motor

teal89 · August 11th, 2008, 12:38 PM

Not hard at all, reach back there and pull out the PCV valve, replace it with the new one, put it back in. You should be able to do that without even looking. While you're at it, take out the pcv filter in there located below the pcv valve and spray it down with some carb cleaner to clean the gunk out of the filter and replace it back, or buy a new one.

white nite · August 11th, 2008, 02:12 PM

thanks for the info.

i'll do it sometime this week and i'll see if it fixes the problem of the oil pan bolts coming loose

teal89 · August 13th, 2008, 03:10 PM

Uh dude, replacing a PCV valve will not help your oil pan bolts from coming loose. You need to make sure you torque correctly and not using Home depot bolts. If you have crankcase pressure problems be ready for a rebuild. If your bolts are coming loose, you have a whole new problem so never heard of that.

ryans88gt · August 13th, 2008, 03:45 PM

PCV valve, use only the motorcraft ones, the autozone and parts store ones are junk.

Bolts coming loose? Never heard of that, I always use silicone on the oil pan and that tends to keep the bolts from turning. You can always use thread locker, just use the weakest strength.

white nite · August 14th, 2008, 12:34 AM

that is going to suck if i have to rebuild the motor cuz i don't make enough money to do that. i am using actual oil pan bolts. i tried torquing down the oil pan bolts but i ended up snapping one. the only bolts that keep coming loose are 3 one the passenger side of the engine right over the crossmember, since i have a stock k-member i have to use one of those u-joint extensions so i don't know if i am tightening them up enough

white nite · August 14th, 2008, 12:39 AM

i took the pcv valve out and shook it and it still rattled, i took the pcv filter out and sprayed it down with carb cleaner. the filter wasn't that dirty suprisingly.

August 10th, 2008, 07:09 PM	#1
white nite Regular 1987 mustang lx 5.0 Join Date: Mar 2008 Location: El Paso, tx Posts: 82 iTrader: 0 reviews	pcv valve replacement how hard would it be to replace my pcv valve with the upper intake manifold still bolted to the motor

August 11th, 2008, 12:38 PM	#2
teal89 Enthusiast 89 Mustang Lx Join Date: Feb 2008 Location: Rockwall, Texas Posts: 527 iTrader: 0 reviews	Not hard at all, reach back there and pull out the PCV valve, replace it with the new one, put it back in. You should be able to do that without even looking. While you're at it, take out the pcv filter in there located below the pcv valve and spray it down with some carb cleaner to clean the gunk out of the filter and replace it back, or buy a new one. __________________ 94-95 306, B-Cam, Off-brand BBK Like Headers, H-Pipe, 3.73's, Nitrous Wet Shot 175 Shot

August 13th, 2008, 03:10 PM	#4
teal89 Enthusiast 89 Mustang Lx Join Date: Feb 2008 Location: Rockwall, Texas Posts: 527 iTrader: 0 reviews	Uh dude, replacing a PCV valve will not help your oil pan bolts from coming loose. You need to make sure you torque correctly and not using Home depot bolts. If you have crankcase pressure problems be ready for a rebuild. If your bolts are coming loose, you have a whole new problem so never heard of that. __________________ 94-95 306, B-Cam, Off-brand BBK Like Headers, H-Pipe, 3.73's, Nitrous Wet Shot 175 Shot

August 13th, 2008, 03:45 PM	#5
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	PCV valve, use only the motorcraft ones, the autozone and parts store ones are junk. Bolts coming loose? Never heard of that, I always use silicone on the oil pan and that tends to keep the bolts from turning. You can always use thread locker, just use the weakest strength. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

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August 11th, 2008, 02:12 PM	#3
white nite Regular 1987 mustang lx 5.0 Join Date: Mar 2008 Location: El Paso, tx Posts: 82 iTrader: 0 reviews	thanks for the info. i'll do it sometime this week and i'll see if it fixes the problem of the oil pan bolts coming loose

August 14th, 2008, 12:34 AM	#6
white nite Regular 1987 mustang lx 5.0 Join Date: Mar 2008 Location: El Paso, tx Posts: 82 iTrader: 0 reviews	that is going to suck if i have to rebuild the motor cuz i don't make enough money to do that. i am using actual oil pan bolts. i tried torquing down the oil pan bolts but i ended up snapping one. the only bolts that keep coming loose are 3 one the passenger side of the engine right over the crossmember, since i have a stock k-member i have to use one of those u-joint extensions so i don't know if i am tightening them up enough

August 14th, 2008, 12:39 AM	#7
white nite Regular 1987 mustang lx 5.0 Join Date: Mar 2008 Location: El Paso, tx Posts: 82 iTrader: 0 reviews	i took the pcv valve out and shook it and it still rattled, i took the pcv filter out and sprayed it down with carb cleaner. the filter wasn't that dirty suprisingly.

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