Question about 1992 Dodge Caravan

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Antifreez leaking at rear of engine (3 liter) above the bellhousi

Can't see leak because of exhaust crossover pipe.It is leaking down on the tranny . C oming out from somewhere where the water pipe goes into the engine.

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  • rkukucka Mar 15, 2009

    thought that was problem.thanks verry much.GREAT WEBSITE

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Coolant pipe is known to rot out replace tube and orings

Posted on Mar 11, 2009

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Having a promblem taking off crossover exhaust pipe on a 2005 Buick rendezvous I tooken off the two front exhaust Then took bottom two bolt . But still fasten to something is there other bolts...


Thermostat? engine cooling?
2 engines, here, LYA adn LY7.
nobody here posts engine, why do that?
so ill post only for 1.
the LA1
here are the steps.
NO FSM Sux huh? nor an alldata.com account, why not that? 15 bucks?


STAT out.
Remove the air cleaner and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.4L.

Drain the coolant until the coolant level is below the thermostat. Refer to Cooling System Draining and Filling (Refer To List 1) .

Remove the crossover exhaust pipe. Refer to Exhaust Crossover Pipe Replacement (Refer To List 2) in Engine Exhaust.

Remove the radiator hose from the thermostat housing.

Remove the thermostat housing bolts and clean any sealer from the bolt threads.

Remove the thermostat housing and gasket.
remove STAT
next is crossover page.

Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection (Refer To List 1) in Engine Electrical.

Remove the throttle body air inlet duct.

Drain the coolant from the cooling system. Refer to Cooling System Draining and Filling (Refer To List 2) in Engine Cooling.

Remove the inlet radiator hose from the engine. Refer to Radiator Inlet Hose Replacement (Refer To List 3) in Engine Cooling.

Remove the thermostat bypass pipe. Refer to Thermostat Bypass Pipes Replacement in Engine Cooling.



Remove the exhaust crossover heat shield bolts.

Remove the exhaust crossover heat shield.
  1. Remove the exhaust crossover pipe studs/nuts.
  2. Remove the exhaust crossover pipe.

end , remove.

now the bypass pipe FWD cars SUCK
  1. Disconnect the left engine mount strut from the engine.
  2. Remove the heater hose from the bypass pipe.
  3. Remove the thermostat bypass pipe to throttle body nut.
  4. Use the J 38185 in order to remove the thermostat bypass pipe hose clamps (1,5).
  5. Remove the thermostat bypass pipe to cylinder head nut (3).
  6. Remove the thermostat bypass pipe bolt (4).
  7. Remove the thermostat bypass pipe hose.
  8. Remove the thermostat bypass pipe.
sigh.....
why not log in to alldata.com
read the page then ask ques tons that are not clear.
and next time post the engine type.
above is just 1 engine.

Jun 18, 2014 | Cars & Trucks

2 Answers

Need to fill coolant reservoir every day with antifreeze, check engine light on & flashing


The flashing light means there is a problem with the engine serious enough to damage the catalytic converter. You should get the computer scanned for trouble codes.
If there are no external coolant leaks, the engine is probably burning the coolant thru the cylinders and out the tail pipe. Which could also be causing the flashing light.

Mar 04, 2014 | 2007 Suzuki Reno Hatchback

1 Answer

My husband and I are trying to get to our thermostat to change in my 2002 rendezvous, but there is a metal pipe in the way that we can't figure out how to remove. just behind the pipe, is a metal plate...


Hello vocalviixen,

The pipe that you referred to is the exhaust crossover pipe. Below I've included removal and installation instructions.

Also, the procedure for bleeding the coolant system is critical; if you need those instructions please post the question.

REMOVAL PROCEDURE
1. Disconnect the battery ground (negative) cable.
2. Remove the throttle body air inlet duct.
3. Drain the coolant from the cooling system.
4. Remove the inlet radiator hose from the engine.
5. Remove the thermostat bypass pipe.
6. Remove the exhaust crossover heat shield bolts.
7. Remove the exhaust crossover heat shield.
8. Remove the exhaust crossover pipe studs/nuts.
9. Remove the exhaust crossover pipe.
INSTALLATION PROCEDURE
1. Install the exhaust crossover pipe.
2. Install the exhaust crossover pipe studs/nuts.
3. Tighten the exhaust crossover pipe studs/nuts to 18 lb ft.
4. Install the exhaust crossover heat shield.
5. Install the exhaust crossover heat shield bolts.
6. Tighten the exhaust crossover heat shield bolts to 89 lb in.
7. Install the thermostat bypass pipe.
8. Install the inlet radiator hose to the engine.
9. Fill the cooling system with engine coolant.
10. Install the throttle body air inlet duct.
11. Connect the battery ground (negative) cable.


Regards,
netvan

Mar 14, 2011 | 2002 Buick Rendezvous

1 Answer

The car was leaking antifreeze and started smoking in 40 degree weather. I filled it and it stopped leaking, but the engine is still overheating. If its the water pump, how can I replace it on a 1992 chevy...


Is the antifreeze leaking out of a small hole on the water pump housing just behind the pulley?
You need to know exactly where the leak is coming from. If the pump is not leaking then there is another location.
Generally pumps either work or leak. They do not slow down and overheat the engine.
Where did the smoke come from? Under the hood or out the exhaust pipe? If you blew a head gasket and the exhaust was blowing steam that would cause overheating. The original leak under the engine would cause overheating that then will cause other problems like blown head gaskets.
Did you use stop leak or some quick fix? what did you do to stop the original leak?

Jan 08, 2011 | 1992 Chevrolet Caprice

2 Answers

Can u please give me an idea where is the crank shaft sensor really located at on a 98 dodge plymouth voyager


3.0 3.3 and 3.8 liter engines look down on the back side of the engine on the firewall side. It will be under the crossover exhaust pipe and bolted to the transmission. It will have three wires going to it.

Dec 08, 2010 | 1998 Plymouth Voyager

1 Answer

How do I find and change an 02 sensor on a 1991 Cadillac Deville 4.9 Liter engine


The Oxygen Sensor is located: Under hood, center, front engine area, above exhaust pipe flange, mounted in exhaust manifold
Application: Front

Under hood, center, rear engine area, above exhaust pipe flange, mounted in exhaust manifold
Application: Rear

I hope helps (remember to rate this). Good luck.

Oct 05, 2010 | 1991 Cadillac DeVille

1 Answer

2001 silverado when accelerating truck almost sounds like has a exhaust leak but is not a exhaust leak any ideas


You may have a crack in crossover pipe on driver side near exhaust manifold where it bolts to crossover pipe flexing from engine movement opens crack on acceleration, check for cracks on both sides driver and passenger.

Feb 04, 2010 | 2001 Chevrolet Silverado 1500

3 Answers

Bmw 745i 2003 water leaks out from front of motor and it's not the water pump or any hoses , I changed water pump and gaskets. the water flows out as soon as I fill tank,it's behind the crank pully


I had this same problem in my 02 745i... It's leaking from the internal coolant pipe... a $.05 rubber ring is going to cost you 3-5k easily.

Jan 26, 2010 | 2004 BMW 7 Series

2 Answers

Leaking anti freeze from back of engine cannot see where the leak is it is not the heater hoses or the waterpump


It is possible that it may be the intake manifold leaking. If it is a 3.8 or 3.1 liter V-6 I would check the intake manifold gasket. These have a plastic gasket with silicone on each end that tend to crack and start leaking. you can normally see the leak behind the exhaust crossover pipe on the back side of the engine.

Nov 24, 2009 | 1999 Buick LeSabre

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