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Does anyone know what the voltage should be going to the CMP and if it is supposed to be more than 10 volts why I am reading such a low amount? Thanks, Jim

Thanks for the post. I probably should have provided a few more details. I pulled the engine to address several oil leaks and a freeze plug leak. Before I pulled the engine the truck ran great. At one point I was going to have the entire engine rebuilt so I pulled all the sensors (CMP, CKS...

Does anyone know what voltage I should read at the cam position sensor for a '00 4.0 OHV? My Haynes manual says at least 10 volts when the connector is disconnected from the sensor and the ignition is on run. I am only getting about 0.03 volts at the connector and at the PCM. We checked some...

I wonder if my crank position sensor gap is too large. I pulled this sensor as well. I wonder if it is loosing some signal as it rotates. No codes, but it is sure running poorly. Jim

Does anyone know how much gap there is supposed to be between the sensor and the harmonic balance wheel? I pulled my sensor when I was thinking about have the entire engine rebuilt and I'm not running into a very poor running truck that won't idle and is dumping fuel into the CATs. I thought...

Yep checked them several times. I just tried running it for a few minutes and the cats were glowing red. I also pulled the plugs and each on the passenger side looked very black. The drivers side looked more normal. I've got to be sending unburned fuel into the exhaust which makes me think...

Please excuse the longer post. I want to provide a little background. I have a '00 Explorer with the 4.0 OHV. I pulled the engine out to fix a freeze plug leak and few oil leaks at the lower intake, rear seal and oil pan. I removed the lower intake, oil pan, and cam position sensor, but...

I think I figured it out. I picked up a loan-a-tool cam sensor alignment tool from Autozone and popped it in place. Good thing I checked. I think I was one tooth off.

I have a 2000 Explorer with the 4.0 OHV engine. I pulled the engine because I was having some oil leaks. I removed the camshaft position sensor but before I did, I marked the base in relation to the block. I then removed the sensor and moved onto some other things. I never rotated the...

Great, thanks. I really appreciate the info. Have a great weekend. Jim

Does anyone know if the rod and main bolts on a '00 4.0 OHV are torque to yield and if so, whether they must be replaced. If I need to replace then, does anyone know a source for these bolts? Thanks, Jim

Fantastic, thanks again for the great tips. I'm off to my local Ford dealer for the PCV and sealant. Happy Holidays, Jim

guys thanks for the tips. I will certainly check the PCV system. To do this in the past I've simply pulled the valve from the rocker cover and made sure there was vacuum. Is that about it or do you have any additional tips on checking the PCV system? Also if you have a chance I'll certainly...

I have a '00 Explorer with the 4.0 OHV engine. I had the typical misfire caused by a cracked head. I fixed the coolant issue with a new set of heads, but the intake manifold is leaking a small but noticeable amount of oil at the back where it mates to the block. I purchased a new Felpro two...

Thanks, I really appreciate you checking. Jim

I replaced my heater hoses and heater control valve. However I don't know if I have the hoses routed correctly. It's a four port control valve. I have the upper port facing the firewall goes to the heater core tube on the passenger side and the lower port facing the firewall goes to the...

Thanks Mark, I appreciate the comments. I think there must be only one. When I left the electrical connector disconnected on the sensor I replaced, the gauge read no pressure and the "check gauge" light came on. Jim

I replaced the oil pressure switch on the drivers side just behind the power steering pump on my '00 4.0 OHV. However O'reilly Auto Parts said there are two listed for my vehicle, one for a switch and another for a gauge. The gauge one as a screw type end where the one I replaced is more of a...

Good thoughts, thanks for the tips. I'm off to the Ford dealer for a valve and cap. Thanks, Jim

I've replace three heater control valves on my '00 Explorer 4.0 OHV. In each case they start leaking within a few months of replacement. The truck sat for a week outside and it's getting fairly cold in WI. When I started the truck I noticed coolant dripping where the shaft enters the valve...

Thanks for the quick reply and tips. All good advice. Jim

I have a '00 Explorer with the 4.0 OHV. I replaced the heads due to the typically cracked head coolant leak. However I am burning about a quart every 200 miles. A guys is selling a '98 4.0 OHV engine. I'm thinking about just swapping out the whole engine. Does anyone know if the '98 will...

I have a '00 Explorer with the 4.0 OHV. I pulled the rocker shafts. Do I need to replace the rocker shaft bolts? They appear to be torque to yield bolts. If so any advice on where to get the bolts? I checked the Ford web site and it lists the bolts as part number 6A527. However they are...

Thanks for the quick response. Boy that surprises me that the connecting rod bolts are only 18-24 lb/ft.

I have a '00 Explorer with the 4.0 OHV. I was consuming oil like crazy after installing new heads. I think oil consumption wasn't related to the heads but rather the original problem that caused the head replacement (leaking coolant into the # 3 cylinder). I pulled the number 3 piston and it...