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Have a 99 ford explorer 4.0 and cannot get the intake manifold to stop leaking water from the left rear. I have replaced the gasket twice, and torqued to specs. Still leaked! Replaced the intake.

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6ya6ya
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Posted on Jan 02, 2017

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LT1Rob
  • 55 Answers

SOURCE: Torque Spec for '99 Chevy C1500 5.7L engine lower intake manifold

On 5.7L engines, install the bolts and torque in sequence as follows:

  1. Step 1: 71 inch lbs. (8 Nm).
  2. Step 2: 106 inch lbs. (12 Nm).
  3. Step 3: 11 ft. lbs. (15 Nm).
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Posted on Mar 14, 2009

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SOURCE: water leaking from intake manifold

the chev are fames for intake manifold seeping. it will have to be replaced soon good luck

Posted on Mar 24, 2009

  • 8 Answers

SOURCE: lower intake manifold gasket leaking 02 Olds Silhouette

This is basicly a very time consuming job rather than a physically hard one to complete. In order to replace the gasket you must remove the intake plenum,throttle body, and misc. vacuum hoses. The wiring harness connections must also be disconnected. Finally the intake manifold is exposed. The bolts holding the manifold to the block are removed exposing the leaking gasket. After removing the push rods and placing them in the correct order to be replaced the gasket and sealants can be removed. Finally replace everything in reverse order. Be sure to consult a GM manual for correct bolt torch specs. The correct specs for the manifold bolts usually come with the gasket. Make sure to change your oil a few times after this job in case any coolant entered the block. Also,change the thermostat and the oil seal on the distributor half shaft cap while you have everything off. Good Luck

Posted on May 12, 2009

  • 12173 Answers

SOURCE: My 1999 chevy tahoe is leaking antifreeze. I

it could but- check passenger side front where heater core line go into manifold right behind alternator the hose line is connected by a press clip into an alloy fitting this fitting gets eaten away by anti freeze and hose angle pulls back on fitting the part is $18 at dealer and is screwed into manifold use caution if ur r going to replace at very edge of aluminum manifold---and check ur water pump bolts the 2 longer ones should have a lock sealant on them they bolt in thru a water jacket

Posted on Oct 24, 2009

  • 1 Answer

SOURCE: water leak under the intake manifold,1995 toyota 4 runner

There is a heater core bypass pipe that runs from the block (under the manifold) to the bacl of theengine where you will see a flat rectangular "sheet metal" thing with a pipe coming out of it. The a rubber hose connects. You need to pull the top air plenums and intake to get to it. The p[ipe flange bolts to the block with silicone rtv as a sealant.

Posted on Nov 27, 2009

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2 Answers

How do i stop a leak from intake manifold gasket?


Please take your vehicle to a qualified mechanic. A leak in the intake manifold gasket can cause catastrophic results not only are you losing coolant to the outside but may also be leaking coolant internally which could contaminate the oil and cause the engine to fail due to loss in lubricating properties. Also, if not torqued properly you may have a warped intake manifold. Please see a good mechanic it may cost more but you risk a much larger cost to replace an engine

Aug 03, 2016 | Cars & Trucks

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Intake Manifold gasket replacement and/or leaking= Ford


Intake Manifold gasket~

Replacing intake manifold gasket:
Replacing the intake manifold gasket, I used the tube kind, it's a make it youself for about $6 (it's blue and the consistancy of toothpaste) follow directions carefully! You can get a tube at Autozone or any car parts store. Has been working great. Just ask the cashier for the make it yourself kind of intake manifold gasket. Sorry, I don't remember the name of it, it's been that long...lol...

As for the Intake Manifold leaking coolant....It could, but shouldn't. One of the largest problems I've seen for coolant to leak out the Intake Manifold has been due to pressure in the system somewhere... Check the classic area:
Water pump- look for either water seapage and/or coolant. You'll know if it is because you will see real water either coming out of the water pump leak hole or under the thermostat. Most of the time coolant will pool where your heater hose runs in the intake manifold.

Mentioning heater hose. Check for leaks, holes, and/or cracked heater hoses. In-addition to the water pump, heater hoses...Check the transmission system, exhaust system, fuel system, radiator system, A/C system, secondary fan (located above the water pump housing), and thermostat.Also, check all electrical connections....Hummm....This is almost the entire workings of the vehicle.

NOTE: "It seems to be an infinity kinda thing... Once one thing starts to fail and is ignored, you are bound to be fixing a chain of event failures. Therefore, Do not ignore even the smallest problem or you'll be bound for life in repairs...."

on Jun 25, 2010 | Ford Expedition Cars & Trucks

1 Answer

I replaced intake manifold gasket on5.7 engine.Water started leaking when I filled resivoir.Why?


Assuming that the leak was coming from the gasket that you just replaced, it could be due to several factors which include the following:

1) uneven mating condition, between intake and head due to non removal of the old gasket
2) gasket could have shifted out of position while the intake was being put in place
3) over torquing or un-even mating condition could have caused a crack in the composite intake manifold
4) under torqued intake to head attachments.

There are also quick disconnects for the heater hoses which may not be properly retained. These quick disconnects have been known to crack, creating a leak,

I would first determine where the liquid is coming from and then concentrate on that interface to solve the issue.

Jun 05, 2011 | 1999 Cadillac Escalade

3 Answers

98 Ford Explorer SOHC 4.0 V6 Water Leak


take it to a mechinc shop and have them do a pressure test

May 16, 2010 | 1998 Ford Explorer

1 Answer

How to replace the intake manifold? I have a 96 grand cherokee v8, unable to replace the thermostat housing to the manifold because one of the screw holes cracked off on the manifold.


Position The Intake Manifold Gasket On The Engine.Dowels May Be Provided To Hold The Gasket In Place During Manifold Installation.. The Use Of Silicone Sealer Is Required. Especially Where The Front And The Rear Seals Meet The Side Gaskets On V-type Engines. Installing An Intake Manifold On V-type Engines Can Be Difficult. It Is Critical That You Use Sealer Properly On The Engine To Prevent Vacuum,Coolant, And Oil Leaks.

Start All The Fasteners By Hand Before Tightening. This Will Aid In Bolt Hold Alignment. Then Torque The Intake Manifold Fasteners To Specifications. Use The Specific Torque Pattern Given In The Service Manual.. Basically The Pattern Will Be A Crisscross Pattern

Apr 09, 2010 | 1995 Jeep Grand Cherokee

2 Answers

Why am i overheating


Most likely have a bad intake gasket, or clogged radiator. make sure your fans are coming on also.

Jul 23, 2009 | 1999 Chevrolet Malibu

3 Answers

Water leaking from intake manifold


the chev are fames for intake manifold seeping. it will have to be replaced soon good luck

Mar 24, 2009 | Chevrolet 3500 Cars & Trucks

5 Answers

Code #P0171 & code #P0174


Look, man here is the deal:
code p0174 - refer to the front cylinder bank
code p0171 - refer to the rear cylinder bank

Jun 22, 2008 | 2002 Ford Explorer Sport

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