Question about 1996 GMC Suburban

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Coolent leaking from top of motor probably from intake manifold how do i replace gasket?

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It would take alot to give you a step by step procedure in here.
The best thing to do is go to an auto parts store and get a haynes repair manual for that vehicle, they cost about $17.00, and give a step by step procedure.

Posted on Feb 02, 2010

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You may not need to, try a "rad weld" type of coolant additive. Most will stop the leak and stay in the system to block any future leaks.

Posted on Feb 02, 2010

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How to fix oil leaks in chevy ss impala 1996



Instructions

1. Removal

Unscrew the bolt that holds the negative connection to the Impala's battery. Set this bolt aside for later use.

Remove the engine cover to access the intake manifold and manifold gasket. Disconnect the throttle body inlet duct from the engine.

Twist off the radiator cap to allow draining of the coolant to flow more smoothly. Place an empty container beneath the radiator's drain plug, and remove this plug. Allow all of the engine coolant to drain into the empty container. Replace the drain plug once you are finished.

Tag all of the electrical wiring and hoses before removing so that reconnection is precise to factory settings. Remove these parts, individually, from the intake manifold.

Loosen the bolts that hold the intake manifold to the Impala's engine block. Lift the intake manifold from the block once all bolts have been completely removed.

Use the flat-head screwdriver to pry the old intake manifold gasket from the engine block. Discard this part once you have removed it.

Clean the engine block thoroughly with the engine degreaser and linen cloth. If necessary, use a gasket scraper to remove excess buildup and grime.

2. Installation

  • Coat the top and bottom of the new intake manifold gasket with a chemical sealer so that it bonds to the engine block securely. Position this new manifold gasket so that it lines up perfectly with the cylinder ports of the Impala's engine block.

Place the old intake manifold on top of the newly-installed manifold gasket until it aligns with all of the holes of the cylinder flanges and manifold gasket.

Attach all of the bolts with your hand to the manifold. Once all bolts have been positioned, use a torque wrench and apply 15 foot-pounds of pressure to the bolts to secure the manifold into place.

Reconnect all of the necessary hoses and electrical wiring to the intake. Pour the engine coolant back into the radiator.

Reattach the engine cover on top of the intake manifold and engine block. Start the Impala's engine and check for any leaks around the new intake manifold gasket.

Jul 08, 2012 | 1996 Chevrolet Impala SS

1 Answer

99 jimmy coolent leak near trans bell housing


It is probably either an intake manifold gasket or a rear engine freeze plug. If it is a freeze plug, the transmission will have to be removed to fix it and if it is the intake gaskets, the intake manifold will have to be removed. I would recommend using an inspection mirror to look at the back of the manifold to see which it is.

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1 Answer

Antifreeze leaking from the back of the motor


Probably a intake manifold gasket leak. If you can see in the back part of the engine or know that the anti-freeze is leaking down the back on the transmission then on the ground then that is probably where it is coming from. The other place to check is the heater core which would be on the passenger side and see if where the hose come through the firewall that they are not leaking and running down and dripping on the ground. If your leak is on the intake manifold you will have get anther gasket and change the gasket which means removing about everything on top of the engine.

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1 Answer

Coolent leaking from rear of engine cant see from where


ACCORDING WITH THE MODEL AND YEAR AND IF YOU HAVE A 4.6L ENGINE IS PRETTY COMMON LEAKS FROM THE INTAKE MANIFOLD TO THE CENTER OF THE ENGINE AND IS WHY YOU CANT SEE WHERE IS COMING FROM BECAUSE THE ANTIFREEZE RUNS TO THE BACK I RECOMEND TO CHECK THAT AND USUALLY YOU HAVE TO REPLACE GASKETS AND MANIFOLD BECAUSE THEY MELT DOWN ON THE UNION WITH THE LOWER INTAKE MANIFOLD(PROBABLY NEED TO REPLACE ONLY THE UPPER ONE)

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2 Answers

Just put new spark plugs in 97 buick lasabre. Car now starts and runs, but is blowing out white smoke. Is this blown head gaskets? Does it have anything to do with the fuel pump put on 3 weeks ago?


these cars have issues with coolent getting into the intake... headgaskets are not one of the issues . check plugs for coolent. upper plastic intake has coolent flow in to chambers if u will, and over time they get micro cracks and brittle ...lower intake manifold gaskets are plastic also. ..cyl. heads are cast iron not alluminum . lower intake manifold is alluminum and upper intake is plastic .. on my lesabre a plastic 90 degree elbow connected to the lower intake manifold to the heater hose housing. the belt tensioner is connected to this housing im refering to. not saying for sure, but if it is this is usually why...

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1 Answer

Changed all the Intake gaskets now I have a coolent leak


I just replaced intake gaskets on a expediation 5.4 and it is leaking in the left corner but I was in question before I reassembled there was a small little crack just inside it leaks just a drip but I have already ordered a new intake from NAPA but check with a salvage yard to see if they have a 3.8 motor when you take it off inspect it good before you install it on yours

Jan 07, 2009 | 1999 Ford Windstar

1 Answer

Leaking coolent by oil pan


The 3.1 liter V-6 engines in several GM models had problems with the intake manifold gaskets leaking coolant, between the intake manifold and the top of the engine block, due to faulty gaskets. There was a class action suit on this problem, but I don't remember the time parameters. I know it's about 6 or 7 hundred bucks to have it repaired at a GM dealership. Good luck.

Dec 16, 2008 | 1997 Oldsmobile Cutlass Supreme

1 Answer

Overheating


It could be your head gasket.

Oct 29, 2008 | 2001 Chevrolet Express

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