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SOHC Valve Cover

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Old Oct 4, 2019
  #1  
1FTanger's Avatar
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From: Onterrible
SOHC Valve Cover

So here I am JB welding my valve cover up because it leaks pretty bad and since my truck is a 94 the 4Ls at my disposal are different than mine (not a pushrod) so I cant find a replacement on kijiji or any salvage yards nearby. Fast-forward a few months and the JB weld doesnt hold too good and it's leaking somewhere else on the cover now aswell. I cant afford to keep topping it up with high mileage **** every couple times I drive a long distance. Does anyone in eastern Ontario or the Ottawa/Gatineau area know of a place I could grab a valve cover? The rest of the truck is in great shape and I'm a broke College kid so I'm kind of screwed

Also my dipstick holder just sort of rotted off but still sits in the motor so maybe I should do something about that too.
 

Last edited by 1FTanger; Oct 4, 2019 at 08:08 AM.
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Old Oct 4, 2019
  #2  
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From: Vancouver, BC
Welcome to the forum

Yes, the 4.0l OHV valve covers rusted away on the lower edges in the rear, which is where the oil sits, so it leaks

This makes them hard to come by used, in usable condition, which is why you don't see them "used"
These engines were used 1990 to 2000, in several Ford vehicles

You can get new but $$$, about $50us per side

There is no internal pressure in the valve cover area, oil is just sitting there, pooled in the lower rear of the head, so its a gravity leak
Only use cork gaskets, not rubber, cork SWELLS up when oil on the inside is in contact with it, so self seals
Rubber valve cover gasket are used when you will be adjusting the valves monthly because they can be reused, but don't seal as well as cork

And do NOT torque down the bolts, that just bends the steel and makes for more leaks, these are just snugged up

You can also use spreaders in the rear or make your own, you need longer bolts for this
These are spreaders:
Amazon Amazon

Any auto parts store will have them in different lengths, you only need a few for the lower edge, last 2 bolts in each side, just depends on where your valve covers are rusted out
 
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Old Oct 4, 2019
  #3  
1FTanger's Avatar
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From: Onterrible
Originally Posted by RonD
Welcome to the forum

Yes, the 4.0l OHV valve covers rusted away on the lower edges in the rear, which is where the oil sits, so it leaks

This makes them hard to come by used, in usable condition, which is why you don't see them "used"
These engines were used 1990 to 2000, in several Ford vehicles

You can get new but $$$, about $50us per side

There is no internal pressure in the valve cover area, oil is just sitting there, pooled in the lower rear of the head, so its a gravity leak
Only use cork gaskets, not rubber, cork SWELLS up when oil on the inside is in contact with it, so self seals
Rubber valve cover gasket are used when you will be adjusting the valve monthly because they can be resued, but don't seal as well as cork

And do NOT torque down the bolts, that just bends the steel and makes for more leaks, these are just snugged up

You can also use spreaders in the rear or make your own, you need longer bolts for this
These are spreaders: https://www.amazon.ca/Spectre-Perfor...45413597&psc=1

Any auto parts store will have them in different lengths, you only need a few for the lower edge, last 2 bolts in each side, just depends on where your valve covers are rusted out
Great advice man thanks. That price isnt too bad to be honest since I only need the one. Where can I go to look for an aftermarket one? The internet is not kind to the things I look for
 
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Old Oct 4, 2019
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RonD's Avatar
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From: Vancouver, BC
Ebay.ca has listings for them

Seen here: https://www.ebay.ca/b/Engine-Valve-C...627/bn_1387526

Both Passenger side(right hand) and Drivers side(left hand) are listed, the GREY ones, lol, black are the 4.0l SOHC plastic ones
 
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