2004 D2 Headgasket Job - What else to replace.
#1
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So here is the story. 2004 D2 with 75K miles. Leaking coolant but not overheating. Being a frmr submariner I figured I would put my D2 into drydock for a few weeks to do a bit of an overhaul.
I had most of the 60K service done at 60K so I'm wondering since it is torn apart what else should I do.
Here is what I am currently doing:
1. Head gasket & headbolts
2. New driveshaft
3. T-Stat 180F
4. Brakes
5. Clean engine compartment
6. Media blast / wire brush portions of frame (paint as needed)
7. Coolant flush - going from orange to green.
8. Media blast and paint headers for no other reason then to put bright red headers on my D2.
I'm 50/50 on replacing all my hoses (I probably should since I've got them all removed.
At 60Kish I put in 8mm Magnacor wires and new plugs - Should I change them? I may because it is such a pain to get to them.
Serpentine belt only has 8-10K miles on it.
I've got the engine torn down and the drivers side cylinder head is off. As a note the only things I had issues with were the Secondary air and bolt 1. I summoned a Zen calmness and used lots of penetrating oil. Eventually they all came loose. I'm about 5 days behind schedule but I didn't have to cut, heat, or grind anything off.
Thanks
I had most of the 60K service done at 60K so I'm wondering since it is torn apart what else should I do.
Here is what I am currently doing:
1. Head gasket & headbolts
2. New driveshaft
3. T-Stat 180F
4. Brakes
5. Clean engine compartment
6. Media blast / wire brush portions of frame (paint as needed)
7. Coolant flush - going from orange to green.
8. Media blast and paint headers for no other reason then to put bright red headers on my D2.
I'm 50/50 on replacing all my hoses (I probably should since I've got them all removed.
At 60Kish I put in 8mm Magnacor wires and new plugs - Should I change them? I may because it is such a pain to get to them.
Serpentine belt only has 8-10K miles on it.
I've got the engine torn down and the drivers side cylinder head is off. As a note the only things I had issues with were the Secondary air and bolt 1. I summoned a Zen calmness and used lots of penetrating oil. Eventually they all came loose. I'm about 5 days behind schedule but I didn't have to cut, heat, or grind anything off.
Thanks
#2
#4
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Savannah Buzz - Thanks for reminding me about the PCV. I got a new heater in the gasket kit so I'm all good on that one.
DiscoMike, Never would have thought about the pulleys. Pretty easy replacement since I had to take them all off already.
With the new driveshaft and changing coolant I think I'm done with the 60K check-up but I'll double check my list just incase.
Thanks!
DiscoMike, Never would have thought about the pulleys. Pretty easy replacement since I had to take them all off already.
With the new driveshaft and changing coolant I think I'm done with the 60K check-up but I'll double check my list just incase.
Thanks!
#5
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I am about to dig into my head gasket replacement project, it is my first time doing this type of work, but I have a few (non-Land Rover) resources near by, if I have any Disco specific questions as I go I will post them here.
I will also order the idler pulleys and coolant cap as well, thanks for the tip Disco Mike. I have a couple weeks to complete so I am going to take my time and make sure I get it right.
I will also order the idler pulleys and coolant cap as well, thanks for the tip Disco Mike. I have a couple weeks to complete so I am going to take my time and make sure I get it right.
#6
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pennohawk,
Good luck, I'll post a picture of my socket set up to get off the headbolts. It took me a few combinations but I found one that really worked. 1/2 with a few extension and wobble extension for the extreme corners. I also used an impact socket for my own mental health.
As far as other hang-ups the only thing that got me was the secondary air. It took three days of soaking before I got them off. I was almost to the point of cutting in rewelding until I saw the price of them and figured it was worth my time.
Buy some Koil penetrating oil. It helped a lot.
I did soak the engine pretty well in PB blaster prior so my exhaust headers came off easily. The exhaust was a bit of a pain to take off. I needed about 100 ft extension to get to those bolts.
I have lots of tools but for the most part the only ones I used were:
12 point sockets - 3/8 drive
6 point 3/8 drive
6 point 1/4 drive
1/2 inch drive for headbolts and extensions
I used a number of combinations of 1/4 and 3/8 extensions.
Borrowed a fan clutch tool from autozone.
I have air tools but only used the wrench to save some time on a few bolts. It wasn't necessary but helped.
Good luck, I'll post a picture of my socket set up to get off the headbolts. It took me a few combinations but I found one that really worked. 1/2 with a few extension and wobble extension for the extreme corners. I also used an impact socket for my own mental health.
As far as other hang-ups the only thing that got me was the secondary air. It took three days of soaking before I got them off. I was almost to the point of cutting in rewelding until I saw the price of them and figured it was worth my time.
Buy some Koil penetrating oil. It helped a lot.
I did soak the engine pretty well in PB blaster prior so my exhaust headers came off easily. The exhaust was a bit of a pain to take off. I needed about 100 ft extension to get to those bolts.
I have lots of tools but for the most part the only ones I used were:
12 point sockets - 3/8 drive
6 point 3/8 drive
6 point 1/4 drive
1/2 inch drive for headbolts and extensions
I used a number of combinations of 1/4 and 3/8 extensions.
Borrowed a fan clutch tool from autozone.
I have air tools but only used the wrench to save some time on a few bolts. It wasn't necessary but helped.
#7
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carefull on the valley pan seal just under the fuel line...missed that on my first rebuild and leaked down the side of the bell housing for a month before I had the patience to take it all the way down to do it again...yesterday I lost a head gasket....#2 cylinder..when I 90'ed the 4 bolts around that cylinder..should have stopped right ther, and gone to a stud for those...now im breaking it down AGAIN....AH ZEN MASTER....lolol
99 Disco II ACE, spring kit 2" lift 138,000
66 F-100
78 Chevy 1 Ton last resort
99 Disco II ACE, spring kit 2" lift 138,000
66 F-100
78 Chevy 1 Ton last resort
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