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Hi, Going forward with my rebuild (new cam and lifters) i'm stuck with my oil pump. I checked clearance and gasket thickness before setting. I tried to prime with an electric drill...without success. i have pressure on the oil cooler exit (i put a bypass valve) so i imagine the sump filter is...

Hi, I don't succeed to prime my pump with a drill, even with the 2 pipes oil cooler full of oil . I checked the pump before, it was in the tolerance...i did not put jelley in the pump. i think to put 2 mre oil liters in the engine to help priming. does it make sense ?

Hello, my front timing and pulleys are back in, but I can't remember exactly how many bolts, I haven't lost any but I have one of the holes in the lower right cover free... is there a bolt coming here?

While rebuilding my 3.9 EFI, I decided to take care of the appearance of my valve covers and plenum. What do you think ? Post your photos ;)

My new lifters and new cam need preload setting. I didn't change the pushrods , they are ok. I compare the new OEM with the original , it s quite the same (photos) except the size of the cup that hold the pushrod inside, it's larger and deeper. I wonder if i can put the original "cup" on the new...

I v'e just put my new lifters and cam and keep the old pushrods that are in good shape. I notice the top of the new lifters is a little larger and deeper than the old one , about 1 mm, and my composite head gasket is thicker than the tin one. The result should be not enough preload for my...

HI, I 've just put back my Heads (with spark plugs) with a new gasket (Elring composite). When i turn the crank , I need 40 NM torque and even more after first move, and i can hear compressed air coming out almost at the rear of the heads ... Is it normal ? Valves leaks ? video here...

Hi, after surfacing my heads (to clean the old gasket marks) i found these measures : 23,30 mm (+ 0,1mm / 0,5 mm max. skimming ) 62,80 mm ( + 0,2 mm / 0,5 mm max skimming) Should i put a thiker composite gasket instead a metal one ? the gap can be fill with shim on rockers ?

the old seal has left marks...do i need to remove all before setting new gasket ? I use sand paper on a glass to remove these marks but i dont want to remove too much material; Is that enough like this ? Plus, I notice i remove more on the sides than in the middle , the head is not perfectly...

Hi , new post for my RRC EFI 3,9 with the good title ;) I have a question and a concern about a vertical mark on one of my cylinders, it is not a scratch, it is extra thick, as if a weld had been made. My compressions are correct (12,5 bars) and the engine is not knocking. Any idea what it...

J'ai 3 ou 4 clapets d'admission avec une légère corrosion (pas de trou) qui devrait disparaître avec le travail à la pâte. Je me demande si je dois conserver les originaux ou les remplacer par des neufs de rechange ? thanks

Hi, Made the mistake to mix the bolts. I will be very grateful if someone keep the assembly plan...

Hi, Remove the old seal...looks quite good. Any more i put a new one but not seems to be perfectly "watertight". Finally, I decided to put side to side the 2 seals, in case the new one is not 100% good . Any suggestions ?

The engine was not noisy or tapping bu i prefer to clean an inspect the 2 rockers shaft that seems to be original (130 000 miles). I wonder if i can grind gently (sans paper 1000) the arm and the rockers...

HI, My cam is removed : some lobes are really pitted and more...only few miles ahead...bad aftermarket one ! I will change my lifters too...for a better quality (turner engeneering OEM cam) I just surprised to see a sort of spacer (last pictures) , the fisrt cam bearing, partially cut and not in...

HI, I need to remove the cranck pulley to replace my camshaft, the center bolt is out now but i can't pull the pulley out ?? I tried gently with a hammer but it does not move ... Is there anything to do ?

HI, I need to replace my camshaft (Range EFI 3,9) and i ask if i should change my genuine waterpump ( 130 000 miles, no leaks ) or replace it with a aftermarket one (genuine are too expensive ) ? Thanks.

HI everyone, Before insisting like crazy and doing something stupid, I would like to have an informed opinion on the direction of loosening the 32 mm fan nut. I read everything and its opposite: no screws on the left, on the right, unscrew in the direction of rotation of the fan, in the opposite...

Hello everyone, After cleaning my pistons, which were slightly charred, I was able to take a closer look at the liners. These are for some scratched (barely perceptible with fingernails) and also with black traces of which I do not know the origin. Can this affect the proper functioning of the...

My heads are off. I just discovered my rangie has no seal on exhaust valve, and just a flat black rubber disc on intake valve. Question, should I upgrade to neoprene fully enclosed seals on all 16 valve guides ?