Jaguar Forums - Jaguar Enthusiasts Forum
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0 2025/07/08 20:54:11
0 2025/07/08 20:54:20
0 2025/07/08 20:54:27
After taking the heads off as a result of a blown headgasket, I noticed bigger issues. Number two piston had a HOLE blown right through its side. The cylinder bore of that piston had a visible massive gash on it. And that needed to be cut down and resleeved. Seeing all this damage, I had to go for a rebuild.
After taking the heads off as a result of a blown headgasket, I noticed bigger issues. Number two piston had a HOLE blown right through its side. The cylinder bore of that piston had a visible massive gash on it. And that needed to be cut down and resleeved. Seeing all this damage, I had to go for a rebuild.
0 2025/07/08 20:57:39
I decided to change all 6 pistons, main bearings, conrod bearings, and new headgaskets and bolts. I also decided to do a cooling system overhaul as that is a very big weak point on these engines. I went all aluminum even for the thermostat housing. New timing stuff like chains, tensioners, guides were also replaced *Side note on the timing on these, the timing chain tensioner arm is known for forming a divot exactly at the point where the tensioner pushes the arm. New ones have steel buttons.
I decided to change all 6 pistons, main bearings, conrod bearings, and new headgaskets and bolts. I also decided to do a cooling system overhaul as that is a very big weak point on these engines. I went all aluminum even for the thermostat housing. New timing stuff like chains, tensioners, guides were also replaced *Side note on the timing on these, the timing chain tensioner arm is known for forming a divot exactly at the point where the tensioner pushes the arm. New ones have steel buttons.
0 2025/07/08 20:57:47
One of the hpfp was broken and needed replacement as well.
One of the hpfp was broken and needed replacement as well.
0 2025/07/08 20:57:54
I also decide the completely lap all valves and clean out all the ports. It was such a mess from all that carbon buildup.
I also decide the completely lap all valves and clean out all the ports. It was such a mess from all that carbon buildup.
0 2025/07/08 20:58:03
It looked like a brand new engine when it was all completed but it took almost half a year to finish. I put in in spark plugs and changed one faulty injector that did not have a consistent mist spray.
It looked like a brand new engine when it was all completed but it took almost half a year to finish. I put in in spark plugs and changed one faulty injector that did not have a consistent mist spray.
0 2025/07/08 20:58:11
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0 2025/07/09 17:36:56
0 2025/07/09 17:37:00
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