Video: Valve Cover Gasket Replacement Bosch Engines On Land Rovers
VIDEO
The valve cover gaskets in the 4.0 / 4.6 / 3.9 / 4.2 Bosch engine in older Rover models like the 4.0 / 4.6 Range Rover, Discovery Series II, Range Rover Classic are notorious for leaking. Here is how to service them. In this video, Doug, our Land Rover Master Technician, performs the valve cover gasket replacement on 2002 Discovery Series II (not equipped with secondary air). Using valve cover gaskets Part # LVC100260 (you will need two gaskets in this service). This video also covers removing the throttle body and replacing throttle body gasket (ERR6623) without disconnecting the coolant lines, removing and replacing the upper intake manifold gasket (ERR6621), and removing and replacing the oil separator (LLJ000010) as you have the passenger-side valve cover gasket off. Doug will also discuss vehicles equipped with secondary air. Questions about this video? Call us at 1-800-533-2210 or contact us via live chat.
For BOSCH Engines Valve Cover Gasket Replacement (Part # LVC100260) Performed on 2002 Discovery Series IIAlso discussed in this video is the removal and replacement of the throttle body gasket, upper intake manifold gasket and the oil separator performed on 2002 Discovery Series II (with footnotes on vehicles equipped with secondary air)Hi I'm Doug, your tech representative here at Atlantic British. And in this video we're going to show you how to do a regular maintenance item, or what we consider regular maintenance for the 4.0, 4.6 Discovery 2, Range Rover, the Classic, any of the older Land Rovers with the 4.0, 4.6, even the 3.9 and 4.2. What happens is the valve cover gaskets. They're notorious for leaking. You can put brand new ones in there and next thing, 8 months to a year later they're leaking again. So you might as well consider them regular maintenance. What we're going to do, is we're going to touch base in this video, we're going to use a 2002 Discovery 2. A very common vehicle. You see a lot of them out there. Essentially we are going to start with how to remove the throttle body without having to disconnect the coolant lines. We're going to replace the upper intake manifold gasket. Means we're going to be taking the upper intake off, which you're going to need to do with the BOSCH design because the upper bolts are hidden underneath the intake manifold. We'll give you some footnotes on some of the vehicles that are equipped with secondary air. This vehicle will not be equipped with secondary air. Your valve cover gaskets. And then while you have that passenger side valve cover off we'll show you how to replace the oil separator. They have a tendency to plug up. They act like a PCV valve so when they do become restricted or plugged you're going to end up drawing and using more oil than you need to. So, the parts you're going to need basically starting from the throttle body gasket ERR6623. We have the upper intake manifold gasket ERR6621. A pair of valve cover gaskets. They're the same part number LVC100260. And then the oil separator itself, which really looks like a little plastic Christmas tree LLJ000010. That's all you're going to need as far as parts go. Wouldn't hurt to have a gasket scraper or a scrubby pad, we're going to clean those areas up pretty well. And then we'll show you how it's done.And that basically would be plugged into the vacuum harness for the secondary air. Being this doesn't have secondary air, we just have a small black cover that runs over the top of that to seal that off so we don't have a vacuum leak there. We're going to install that in just a minute. This is just a plug in. Give it a pull. Make sure it's tight. We'll tighten our clamp here. Pop the nipple on there. And essentially we'll be pretty much done. What we do want to do though is we're going to run this where this belong. You can see the white tape there is for the location of this to hold that in place. Okay. We'll just get our little cover for that nipple. We'll put that clamp on. And we're essentially done. So, we have everything together right now. We've sealed up and done our valve cover gaskets, which like I said, can become almost a regular maintenance item on these. You can almost expect to do this every year and half, 2 years. So, when you're ready to changeover the valve cover gaskets on your 4.0 or 4.6 Discovery 2 or Range Rover, just give a call to any of our knowledgeable salesmen at 1-800-533-2210. And thanks for watching.
Discovery I | '94-'99 Discovery Series II | '99-'04 Range Rover Classic | '87-'95 Range Rover 4.0 (P38) | '95-'02 Range Rover 4.6 (P38) | '95-'02 Defender 90 | '94-'97 Defender 110 | '93 This video has been viewed: 106588 times
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