More VTC questions
More VTC questions
Ok, what exactly happens when the VTC goes bad? Is there a faulty part or something? Basically what I need to know is, if i build up a VE and put it performance cams, valves, spring, etc., etc. will the problem be fixed?
Newbie - Just Registered
Joined: Dec 2001
Posts: 8
Need more info. Your question depends on the engine. I've got a VG30DE engine. The VTC sprockets fit on the front (passenger side) of the exhaust cams. My guess is, if you didn't have them, you'd certainly lose some (but not a lot) of performance, and possibly your valves would clatter, particularly at lower speeds.
If you're going to go to the trouble of rebuilding the heads and replacing the camshafts, you might as well rebuild/replace the VTC sprockets. They are pricey to replace, about $400 each I think. You can get rebuild kits for about $35 each but need a place to do the machine work. Check with your Nissan dealer first to be sure they have the right machining tools, otherwise you'll have the rebuild kits with no place to rebuild them.
Lastly, most important, be sure the Nissan technician is familiar with the rebuild procedure and has a copy of the service bulletin. The inner and outer components need to be exactly oriented the way they are now, so he needs to make some scribe lines before they're separated.
Good Luck
J
If you're going to go to the trouble of rebuilding the heads and replacing the camshafts, you might as well rebuild/replace the VTC sprockets. They are pricey to replace, about $400 each I think. You can get rebuild kits for about $35 each but need a place to do the machine work. Check with your Nissan dealer first to be sure they have the right machining tools, otherwise you'll have the rebuild kits with no place to rebuild them.
Lastly, most important, be sure the Nissan technician is familiar with the rebuild procedure and has a copy of the service bulletin. The inner and outer components need to be exactly oriented the way they are now, so he needs to make some scribe lines before they're separated.
Good Luck
J
Donating Maxima.org Member
Joined: Jan 2002
Posts: 818
Originally posted by jkiser
I've got a VG30DE engine. The VTC sprockets fit on the front (passenger side) of the exhaust cams. My guess is, if you didn't have them, you'd certainly lose some (but not a lot) of performance, and possibly your valves would clatter, particularly at lower speeds.
If you're going to go to the trouble of rebuilding the heads and replacing the camshafts, you might as well rebuild/replace the VTC sprockets. They are pricey to replace, about $400 each I think. You can get rebuild kits for about $35 each but need a place to do the machine work. Check with your Nissan dealer first to be sure they have the right machining tools, otherwise you'll have the rebuild kits with no place to rebuild them.
Lastly, most important, be sure the Nissan technician is familiar with the rebuild procedure and has a copy of the service bulletin. The inner and outer components need to be exactly oriented the way they are now, so he needs to make some scribe lines before they're separated.
I've got a VG30DE engine. The VTC sprockets fit on the front (passenger side) of the exhaust cams. My guess is, if you didn't have them, you'd certainly lose some (but not a lot) of performance, and possibly your valves would clatter, particularly at lower speeds.
If you're going to go to the trouble of rebuilding the heads and replacing the camshafts, you might as well rebuild/replace the VTC sprockets. They are pricey to replace, about $400 each I think. You can get rebuild kits for about $35 each but need a place to do the machine work. Check with your Nissan dealer first to be sure they have the right machining tools, otherwise you'll have the rebuild kits with no place to rebuild them.
Lastly, most important, be sure the Nissan technician is familiar with the rebuild procedure and has a copy of the service bulletin. The inner and outer components need to be exactly oriented the way they are now, so he needs to make some scribe lines before they're separated.
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