Question about 1995 Nissan Maxima

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I have a 1995 maxima 6 cylinder dual overhead cam engine,with a blown head gasket on tne number 1 piston.now ive got it torn down up to the front timing chain cover,and ive removed the main timing chain.now what my problem is,is that i can't get the back timing chain cover off.what i need is the procedure or schematics or a step by step.can you help me?

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HI you need to remove all the bolts that attach rear cover to block and remove the oil pan to gain access to bolt that hold rear timing cover to upper pan hope thie helps.i have a 1995 maxima 6 cylinder dual overhead cam - 4163b8c.jpg

Posted on Sep 26, 2009

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When replacing the head gaskets on a 95 Nissan maxima dual overhead can does all the timing components need to be replaced or what all needs to be replaced


Unless it has been replaced recently, I would advise changing the crank seal, cam seals, tensioner and belt, and water pump while you are there.

Oct 04, 2014 | 1995 Nissan Maxima

1 Answer

How to remove cyl heads


Buy a chiltons manual that's specific the the cyl heads your trying to remove. I'm guessing your talking about heads on a car ? By not including a make, model, year , engine size , diesel or gas, overhead cam, naturally aspirated, turbo, fuel injected, carbureted there is no way to answer the question you are asking. Your biggest concern should be on how to reinstall them. Reinstalling heads are far more complex than removing them. All heads are different in the pattern in which they are tightened down ( to prevent warping ) . A specific amount of torque must be applied to each bolt. Some bolts require thread sealant because they pass through the water/coolant passages in the engine. Failure to do that will result in water leaking into you combustion chamber thus ruining your engine as well as your new head. Also the thickness of the head gasket must be correct because to thin or to thick of a gasket will change your engines compression ratio . The gasket thickness can also change your cc's in the combustion chamber. A gasket that's to thin can also allow the exhaust or intake valve to hit the top of the piston on the compression stroke. If your dealing with an overhead cam or dual overhead cam engine then the proper setting of the camshafts when reinstalling the head or heads is crucial . The above only pertained to gas engines. If you have a Diesel engine then things change dramatically . The pressures in the cylinder head combustion chamber area on a Diesel engine is unbelievable . One small mistake or oversight on reinstalling a head on a Diesel engine can be catastrophic .

Aug 09, 2013 | Cars & Trucks

1 Answer

I have a 1995 monte carlo has no compression the cams are turning, does this sound like a head gasket


If you have a V engine (6 or 8) I would be surprised if both heads have blown head gaskets-even if you did chances are you would still have compression in some cylinders as usually only cylinders next to each other (not all on one bank) are low and not at zero regardless. Sounds more like your engine has jumped time so that the piston is coming up while a valve is open-you will need to remove the front of the engine Timing cover) to verify, and depending on what engine you have you probably only have to install a new chain and possibly gears if they are damaged-most Chevy engines are non-interference engines so you should not have to remove heads to repair it.

Oct 04, 2011 | 1995 Chevrolet Monte Carlo

1 Answer

Blown head gasket haveblownhead gasket.how to repair without engin tear down?


You just take the head off, and not tear down the whole engine.
Do not have to remove from car.
But make sure water did not get run in the oil so long that the bottom end of the engine is also bad.
Drain coolant.
Set engine to TDC of cylinder #1 because you have to remove camshaft and timing belt.
Start at the top cam cover, and work your way down to the head, removing anything attached to the head, like exhaust, intake manifold, etc.
When you have the head off, take it to shop to check for wharpage.
Remove any excess carbon from piston tops.
Scrape and buff top of block until clean.
Replace head and reverse order on everything else.
Also remember to replace thermostat.

Dec 04, 2010 | 1995 Toyota Camry

1 Answer

Trying to locate engine number to determine 16 0r 32 cam


Unfortunately, your question is very vague and hard to understand.

16 or 32 cam?
Usually your engine will have twin cams, or single cam.
Overhead cam(s) or not. You could determine if your engine
is a 4 or a 6 cylinder, and then you will generally find out how
many valves the engine has.

If you are in a 4 cylinder car, you probably have 16 valves if you have a twin cam engine.
If you have a single cam, 4 cylinder engine, then you will usually have only 8 valves.

The only way that you could end up with 32 valves, is if you have a dual overhead cam, v-6 engine.
Each head will have two cams, and each cylinder will have 4 valves then.

I hope that this is what you were trying to ask. :)

-Jackson
http://urbanscooters.com/

Oct 13, 2010 | 2003 Dodge Durango

1 Answer

1994 s10 truck has spark and fuel but will not start This all happened suddenly no warning signs


Hi, An engine that has fuel and spark, no serious vacuum leaks and cranks normally should start. The problem is compression 57f07a7.jpg If it is an overhead cam engine with a rubber timing belt, a broken timing belt a35cd82.jpg would be the most likely cause especially if the engine has a lot of miles on it. Most OEMs recommend replacing the OHC timing belt every 60,000 miles for preventative maintenance, but many belts are never changed. Eventually they break, and when they do the engine stops dead in its tracks. And in engines that lack sufficient valve-to-piston clearance as many import engines and some domestic engines do, it also causes extensive damage (bent valves and valvetrain components & sometimes cracked pistons). Overhead cams can also bind and break if the head warps due to severe overheating, or the cam bearings are starved for lubrication. A cam seizure may occur during a subzero cold start if the oil in the crankcase is too thick and is slow to reach the cam (a good reason for using 5W-20 or 5W-30 for winter driving). High rpm cam failure can occur if the oil level is low or the oil is long overdue for a change. With high mileage pushrod engines, the timing chain may have broken or slipped. Either type of problem can be diagnosed by doing a compression check and/or removing a valve cover and watching for valve movement when the engine is cranked. A blown head gasket 1e00f0b.gifmay prevent an engine from starting if the engine is a four cylinder with two dead cylinders. But most six or eight cylinder engines will sputter to life and run roughly even with a blown gasket. The gasket can, however, allow coolant to leak into the cylinder and hydrolock the engine.
Take care

Jul 09, 2010 | Cars & Trucks

1 Answer

I need a picture of the spark plugs on a 1998 ford taurus numbered


I don't have a link with pictures, but I will describe the cylinder and coil numbers for both the overhead valve (OHV) and the overhead cam (OHC) as best I can.
Facing the engine from the front bumper.
On the 3.0 overhead valve (OHV) the cylinder location looks like this:
1 2 3
4 5 6

The coil location looks like this:
5 1
6 2
4 3

If you have the 3.0 overhead camshaft (OHC) engine again facing the engine from the front bumper your cylinder location looks like this:

1 2 3
4 5 6

Your coil location looks like this:

4 6 5
3 2 1

I hope this was helpful.

Feb 15, 2010 | 1998 Ford Taurus

1 Answer

My 1999 cadillac sts overheats alot i was told i have a cracked head but i think it is just the gasket how hard is it to change the gasket on this cadillac?


It hasn't been stated whether this is a Cadillac Seville STS, or an SLS. No matter, as they both use the 4.6 Liter, Dual Overhead Camshaft engine.

I would rate this as an 8, on a 1 to 10 scale. It would be a 10, if this Cadillac used wet sleeves. (Some Cadillac engines had a basic engine block, that had the water jackets open. The cylinders, are simply thick metal round tubes, with an O-ring at the bottom, and top. These set down in the block, and are held in place by the head.
There is a head gasket used also. When doing head work, or anything that involves removing the cylinder head, the wet sleeve cylinder, must NOT be disturbed from it's setting. If the cylinder is bumped, it can move, and the pattern the piston has made, will be disturbed. This means re-honing that cylinder. Lots of fun, these engines!)

Have you had experience with dual overhead camshaft engines? If yes, this is right up your alley. If not, be prepared for a small learning curve.

The engine must be removed. This is a transverse engine. The rear cylinder head May clear the firewall, it may not, if trying to remove it in the car. However, it is absolutely no fun trying to lay across the engine, and clean the gasket surfaces of the block!
This is just the tip of the iceberg, of bad things to come, when trying to replace the head in the car!

Just my advice.

May 18, 2009 | 1999 Cadillac Seville

2 Answers

92 toyota camry v6 do they have 2 heads or just 2 cams


That is possible if it is not dual overhead cam if it is single overhead cam that would be right.

Mar 04, 2009 | 1992 Toyota Camry V6

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