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03-23-2007, 12:14 AM | #1 | |
AF Newbie
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Need help please New Valve cover gasket
1998 Nissan Sentra GLE approx 148000 Miles.
I recently had the oil changed & they said that I needed a new valve cover gasket. Before having the oil changed, the engine was running fine (no stalling, no smoke etc). Their estimate for replacing the gasket was $175. I've done this job on my old dodge aries, so I figured I'd do the job myself. A The first time I did the job, I forgot to use RTV sealent where the Haynes repair manual siad to put it, so i had to do the job again. Now I am getting smoke coming from back of the car and lack of power. This is most noticable in 4th gear, but noticed it in 1st today. There is also a faint smell of rotten egg coming from the exhaust -- not sure about that. The smoke is white / light blue in color. When I got home tonight I checked the valve cover & some of the bolts were loose. How tight do these have to be, when I do the job again (still leaking oil around gasket drivers side) how do I keep these screws / bolts from coming loose? I think the engine is somehow causing them to unscrew. I've already replaced the plugs and wires -- didnt know that Bosch plugs dont work well in Nissans. Will replace with recomended brand once oil leak / smoke issue is solved. Valve cover gasket ---- $10 Spark Plugs ----------- $40 Wires ----------------- $63 experience ------------ priceless Any and all advice / comments will be greatly appreciated Jon |
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03-23-2007, 01:26 AM | #2 | |
AF Enthusiast
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Re: Need help please New Valve cover gasket
loctite?
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2005 Aztec Red Spec-V Nismo header, ES MMI, AEM CAI, UR Pulley, TB Coolant bypass, TWM SS, Kumho Ecsta's, 2x JL Audio W0 subs 9.02@ 84.4mph in the 1/8th....... Driver > Car |
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03-23-2007, 07:33 AM | #3 | ||
AF Newbie
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Re: Need help please New Valve cover gasket
Quote:
Thankyou Nismo. I'm taking the Sentra to the regular mechanic today for a oil presure test to find out where (why?) it's leaking / burning oil. A little out of my experience on the test. If it's just the valve cover needs to be tightened I will definately by some loctite and use before tightening the blts. Jon Feel like I'm with the Nissan. Bought a gas sipper so I'd save money (fuel), but I'm spending more than that on repairs. Never and I repeat Never buy a leased car. Doh! banghead: Doh! Doh! |
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03-23-2007, 03:16 PM | #4 | |
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Re: Need help please New Valve cover gasket
not that bad, just do the job right. if you get a rubber gasket you shouldnt use silicone at all. the valve cover bolts should be around 10-20 ft lb. basically enough to put some pressure on the gasket but since you have an aluminum head, dont overtighten it or you will strip out the threads. and that is expensive.
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03-23-2007, 06:31 PM | #5 | ||
AF Newbie
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Re: Need help please New Valve cover gasket
Quote:
Blacks Tire Service in Monroe NC |
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