Compression test 01 Navigator

[Fordgirl01]

No distortion or damage to the tube. I just had a thought-I may try to put a string around the tube so I can ease it forward a tiny bit. It looks like the tube is making a slight rub mark (on the hole in the pump) just behind where it needs to go. It can’t hurt-right?

Another thing-nothing is ever easy, is it?!! I do not see any spot on the cams to put a crescent wrench. They are round everywhere. Would it hurt anything if I wrapped a rag on the camshaft in the middle (between the cam plates and definitely not on a lobe) and tried to gently get it to turn with a small pipe wrench?


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[Fordgirl01]

I didn’t notice any. I will take a closer look tomorrow.


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I conquered the oil pump!! Even though it seemed like it was in place, it wasn’t quite there. Today it finally decided to fall fully into place and the tube did as well. I held the impossible bolt with a strand of thin wire to get it into place and get it started. I’m happy that fight is over!

Now onto my next dilemma-the cams that are a bit off that I posted a pic of earlier. I tried turning one of the shafts. With the roller followers still on that side, the shaft rolled too far from where I wanted it. I tried rolling it around further thinking maybe it would eventually end up there. I was only able to roll it 2 times (not all the way around, just where it rolled to from the roller followers after I moved it a little), then it bound up. I rolled it back where it was when I started. What gives and what do I do??


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[Robert Wagner]

Could the "binding" be valve touching piston? My thinking is if you're turning only the cam, and not the crank, things are liable to "touch" each other.

 

[Fordgirl01]

Loosen the oil pump retaining bolts so you have some movement in the oil pump and that should give you some flexibility with the pipe. You should see a hex spot at the middle of the camshafts where you can put a big crescent wrench on to turn the cams that little bit to put 'em in the right spot.

Oil pump conquered now I’m not sure what to do about the camshafts that aren’t quite in the right spot. I suspect they rolled a little after I released the hold the small chain and tensioner had on them. Am I going to have to put the new small chain and tensioner on them and then try to put them in the right place? Or-am I going to have to take all the roller followers off to get them in place? They are at about 5:00 when they should be at 6:00.


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[Fordgirl01]

Could the "binding" be valve touching piston? My thinking is if you're turning only the cam, and not the crank, things are liable to "touch" each other.

That’s what I assume it was-that’s why I just put it back where it was. Everything was where it should have been until I took the chains off. The side that isn’t apart (roller followers still on) must have rolled a little when I took off the small chain and tensioner on the camshafts.


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[Hamfisted]

Yes, at least remove the rockers where the cam lobes are pointing downward wanting to open the valves. Always safer when in doubt.

 

[Fordgirl01]

Yes, at least remove the rockers where the cam lobes are pointing downward wanting to open the valves. Always safer when in doubt.

Thank you!


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[Ulver]

@Fordgirl01 How is everything going so far? I'm doing a timing and head gasket job on my 01 4.6l. I have everything off except for the heads. I think I'm going to remove the exhaust manifold from the heads after taking them out. Hopefully I'll have enough wiggle room to do this. That way it's much easier for me to remove those rusty studs.

 

[Fordgirl01]

@Fordgirl01 How is everything going so far? I'm doing a timing and head gasket job on my 01 4.6l. I have everything off except for the heads. I think I'm going to remove the exhaust manifold from the heads after taking them out. Hopefully I'll have enough wiggle room to do this. That way it's much easier for me to remove those rusty studs.

I just had quite a scare! I updated my Tapatalk app and lost all of my discussions about this project. I’m not sure what is going on with the app, but I finally found this thread again on the website.
So, I have an issue! I went out today to get the right side camshafts back in place. I totally forgot I had the camshaft position holding tool when I took the secondary chain off so it slipped out of position from the tension on it. I put the old chain and gears back on, put the holding tool on, then moved it into the correct position with a small pipe wrench right next to the holding tool, then tightened the holding tool. It stayed in place.
Now I have hit a snafu! I put the new tensioner, chain and gears back on. The chain is only about halfway on the tensioner (right side). The new parts are the same as the old (I checked) and the other side (left side) went perfectly. I stared at it for quite some time and can’t figure out what is amiss! The old chain and gears sit same way (it’s the old parts in the pics). What the heck am I missing? It has to be something stupid!

 

[Fordgirl01]

@Fordgirl01 How is everything going so far? I'm doing a timing and head gasket job on my 01 4.6l. I have everything off except for the heads. I think I'm going to remove the exhaust manifold from the heads after taking them out. Hopefully I'll have enough wiggle room to do this. That way it's much easier for me to remove those rusty studs.

I took the exhaust manifold out still attached to my head without too much trouble.

 

[Alwaysthinkin]

I just had quite a scare! I updated my Tapatalk app and lost all of my discussions about this project. I’m not sure what is going on with the app, but I finally found this thread again on the website.

FYI

https://www.expeditionforum.com/threads/tapatalk-not-working-since-site-changed.47911/

 

[Fordgirl01]

FYI

https://www.expeditionforum.com/threads/tapatalk-not-working-since-site-changed.47911/

Thank you! I sure hope this forum does not become less active due to this. I have gotten a huge amount of help and wonderful advice and encouragement here!

 

[Ulver]

I just had quite a scare! I updated my Tapatalk app and lost all of my discussions about this project. I’m not sure what is going on with the app, but I finally found this thread again on the website.
So, I have an issue! I went out today to get the right side camshafts back in place. I totally forgot I had the camshaft position holding tool when I took the secondary chain off so it slipped out of position from the tension on it. I put the old chain and gears back on, put the holding tool on, then moved it into the correct position with a small pipe wrench right next to the holding tool, then tightened the holding tool. It stayed in place.
Now I have hit a snafu! I put the new tensioner, chain and gears back on. The chain is only about halfway on the tensioner (right side). The new parts are the same as the old (I checked) and the other side (left side) went perfectly. I stared at it for quite some time and can’t figure out what is amiss! The old chain and gears sit same way (it’s the old parts in the pics). What the heck am I missing? It has to be something stupid!

I've never worked on Navs, but this is making me scratch my head. Your chain on the left side looks like it's in the same position as the right chain is on it's cam. Is the chain guide on it's correct side? Because from that particular angle, it looks like the guide is upside down, and your groove where the chain sits is on the bottom instead

 

[Fordgirl01]

I've never worked on Navs, but this is making me scratch my head. Your chain on the left side looks like it's in the same position as the right chain is on it's cam. Is the chain guide on it's correct side? Because from that particular angle, it looks like the guide is upside down, and your groove where the chain sits is on the bottom instead

It is a head scratcher and I know it has to be something simple that I’m just not noticing. The guides can only go on one way and that is what has me perplexed. You can’t even mix up the right and left bc they bolt on differently. I will take some pics of how it bolts up without the chain so you can get a better look. I know it’s right side up (even if I could have gotten it on upside down) bc I remember the plunger part being on the bottom of both of them when I took them off. Thanks for taking a look!

 

[Fordgirl01]

Here are some pics I took yesterday showing how the tensioner bolts on and side by side new/old comparisons. I thought maybe the camshafts had somehow moved forward, but it looks like they are right on top of the roller followers where they belong. I still can’t figure out what’s wrong.

 

[Hamfisted]

Just for trial does it fit as it should if you use the old tensioner on that side ? But it does look like the problem is with that new tensioner on that side. What brand are they?

 

[Fordgirl01]

I think the old one would present the same problem. I will bolt the old one on today to make sure. The new parts are the melling kit you suggested a while back.

 

[Fordgirl01]

Just for trial does it fit as it should if you use the old tensioner on that side ? But it does look like the problem is with that new tensioner on that side. What brand are they?

Here are the pics of old and new tensioners. The kit is a melling kit.

 

[Hamfisted]

Ok, what's left, sprockets ?

 

[Fordgirl01]

Ok, what's left, sprockets ?

Old and new sprockets sit the same. I know that chain needs to sit completely on the tensioner guide. I just can’t figure out why it’s not. I have to be missing something……..but what?!!