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Pontiac Le Mans

The Pontiac Le Mans was a family of compact and intermediate-sized cars produced between 1962 and 1981 by General Motors’ Pontiac division. It was introduced in 1961 as the top-of-the-line version of the Pontiac Tempest.

500 Questions

How do you fix a rod knock?

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Asked by Wiki User

Reman or used engine. You can rebuild the lower end of the engine, but it seems like an engine that has cancer. That is, shortly after doing the lower end, the upper starts with problems. Just from what I have seen. Would appreciate any info anyone else has.

The best bet is usually a used engine for cost effectivness and down time concerns. Not much rebuilding happening at the dealership level, even for warranty repairs.

How do you install a fan shroud on a 71 Pontiac lemans?

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Asked by Wiki User

If it's new, you may have to cut it to fit.

You don't need to remove the fan to install it, just slide it in between the fan and the radiator. It will be a very tight fit, just go slow. Once it's in, you will need to install the 4 bolts on the top, and 2 on the bottom.

How do you replace the water pump on a 1990 Pontiac Le Mans?

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Asked by Wiki User

Hey Connie==Get a manual from a parts store on your car and it will tell you how. You may need to get a manual from MOTORLIT.COM. Good luck Joe

First buy a new thermostat, water pump and timing belt. Unsnap timing belt cover and remove top outside portion. Take off top belt pulley which is actually the power steering pump pulley. Note aligning mark on top timing belt pulley which matches a notch in the back of the timing belt cover. Also notice the bottom belt pulley has a notch which aligns with a protruding point on the belt cover next to the bolt where the back cover is attached. Remove the bottom belt pulley (not for the timing belt but the accessories) Try to align the top timing belt pulley which will align the notch on the accessory pulley before removing the pulley. Once the top pulley is removed you can remove the timing belt being careful to not move either base where the pulleys were attached which would mess up the timing. Remove the power steering pump (turn small nut on end of pipe into pump housing) and remove hose from other pump line. Now you can move the cover enough to remove the water line housing containing the thermostat. This should be replaced now since it is so much trouble to replace separately that everything should be done at the same time. The thermostat gasket has a slot to fit over both sides of the metal flange. The water pump is held by 3 Allen wrench bolts (metric good luck) and is also the timing belt tensioner. Install new pump and timing belt making sure marks and notches are correct and belt is tight enough using the turning of the water pump. Reassemble everything else.

How do you determine if you have a rod knock?

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Asked by Wiki User

Always check your repair monuel before using any tip to see if it will hurt your electrical or ignition system. Increase the rpm until the noise is heard then disable one fuel injector at a time. When the noise quits you have found the cylinder with the problem. If your engine is carb you have to pull one spark plug wire at a time to determine the cylinder. If the noise does not quit the problem is in the top end of the motor or the belt or acces. system. One last hint, cracked automatic flywheels will sound just like a rod bearing.

How much horse power does an 89 Pontiac lemons SE have?

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Asked by Wiki User

74 ground-pounding horsepower with the 1.6 liter engine.

How long does le mans last?

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Asked by Wiki User

24 hours

How do you fine the timing marks for a water pump It is for a 1989 LeMans Pontiac The time belt is with the water pump?

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Asked by Rmhsdk

There are no timing marks on the water pump.the only timing marks are on the crankshaft and camshaft gears.And if you're working on a quad-four engine as I suspect you are,you will need to line up the holes in the cam sprockets with the holes in the block and insert pins to hold them in place.The correct size drill bits will work good for this if you don't have the special GM tool.

Does anyone have the timing marks for a 68 lamans with the ohc engine in it?

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Asked by Wiki User

its been awhile all i know it runs the same as a Oldsmobile same motor it run conter clock wise

How can you tell if your fuel pump is going bad on your 1992 Pontiac Le Mans?

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Asked by Wiki User

Electric? or Mechanical? For the cost of the pump, if I was in doubt, I'd simply replace it. If that doesn't fix your problem, then you have a spare fuel pump. If that's more money than you want to spend, and it's an electric pump, remove the "out" side fitting, and have someone turn the key on. Should be a strong stream of gas. If it's mechanical, unbolt it, work the lever with your hand. A shot pump will have little or no resistance.

Where is the fuel pump in a 1988 Pontiac LeMans?

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Asked by Wiki User

It is most likely located on the top of the fuel tank (it's an electric pump). There should be an access plate inside the vehicle located on the floor board under the back seat, otherwise you will need to drop the fuel tank to get at it.

Fix a rear wheel lock up?

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Asked by Wiki User

Either your emergency brake is hanging up or your wheel cylinder is leaking fluid and needs replaced if drum brakes and if disc brakes the caliper could be bad.

Where is the fuse box on a 1992 Pontiac Le Mans?

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Asked by Wiki User

It is under the dash left side, lower the knee shield by removing the large screw on each side to see it.

Is it a computer problem or something else if you know the fuel pump works but it there is no fuel going into the engine and it will not fire but the motor will turn?

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Asked by Wiki User

Just because you hear the fuel pump running does not mean it is pumping. You could also have a clogged fuel filter. Have the fuel pressure checked. In some cars like a '90 Lemans the fuel pump is connected to another metal tube on the fuel pump mount, by a small rubber tube about 1" long. Over time the rubber breaks down. The fuel pump will work, but little or no fuel will go to the engine. Pull pump assembly and replace the tube for a couple of pennies.

How do you put a Chevy small block into a 72 lemans?

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Asked by Wiki User

I'm not sure why you'd want to put a small block Chevy in that Pontiac. But some things to keep in mind....most of the engine wiring is on the opposite side. You'll need to change engine mounts on the frame and you'll also have to make sure to get a Chevy transmission as the B.O.P.C trannys won't bolt to a Chevy.

How many cubic inches was the Pontiac astra engine?

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Asked by Wiki User

The original engine was 2.3 liters or 140 cubic inches. It also occasionally came with the 2.5 liter "iron duke" engine at 151 cubic inches. Most of the specifications are the same as the Chevy Vega of that era.

What is the curb weight of a 1972 Pontiac LeMans?

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Asked by Wiki User

I found weight for a gto they are: coupe = 3,705 hardtop=3720 ac=+112lbs muncie =-24.6 lbs Hope this helps...

Where is le mans?

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Asked by Wiki User

Le Mans is located in France near the Sarthe River. It is about two hours away from Paris.