Question about 1987 Jeep Cherokee

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After car is turned in and runs for about 10 minutes the coolant start to spew out from the coolant resevoir bottle.

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Having owned a few of these Jeeps and this re-occuring on several different vehicles over the decades, follow these steps, I believe you have air trapped in the block or lines of the motor:
1. fill radiator and system when engine is cold, leave cap off
2. start motor and turn heater and fan all the way on inside car
3. allow vehicle to warm to operating temperature, you will see movement of coolant thru top of resivoir as thermostat opens
4. add coolant to proper level while motor is running, continue to run untill all air is purged from system
5. bleed off air thru high point bleed valve if so equiped, then close system and check for leaks

Posted on Sep 16, 2010

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These are famous for bad cooling fans and there relays, does the temp gauge go to hot? is so check the fan operation if not then remove the radiator cap and check the rubber gasket.

Posted on Sep 16, 2010

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If the truck isnt over heating run it a minut shut it off and open the res and see if it smells like exaust if so you have a bad head gasket

Posted on Sep 16, 2010

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1 Answer

A light come on with a box with arrow pointing down looks like waves what does it mean


This indicates a low level of coolant in the coolant bottle/resevoir..... this symbol represents the radiator or coolant system liquid level.

Warning comes on to warn of coolant level too low.

When the engine is cold...remove the cap and check level. Add 50/50 antifreeze/water to level indicated on the side of the coolant bottle or tank.

Reservoir Bottles/tanks are usually transparent and you can see the coolant level through the plastic.

When coolant topped off to correct level, lamp will go out automaticly...no need for scanner or shop to turn it off. It will come on as a 'self check' when you turn on the ignition and if level is okay will go out when engine starts.

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Do you put antifreeze in engine coolant yellow cap or radiator do not open hot cap of 2002 chrylser town & country van?


You can put it either one or both. If you can see coolant in the bottle with the "engine coolant" cap ( resevoir) then there is no need to open the other. Fill the resevoir to the full mark. If that bottle is empty then you can open the radiator cap ( do not open hot). Do it when the engine is cold because the antifreeze in the rad can be hotter than boiling water and is under pressure. When the engine is cold, turn the cap until it stops, then push down and turn a little more and it will come off. There is a safety tab on it to keep hot coolant out of your face. Fill the radiator slowly until the coolant is about 1/2 to 1" below the neck and reinstall the cap. Make sure you get it on properly, both safety tabs are caught and fully tightened or it may blow off. Then you can top up the resevoir too. Hope this helps.

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How do I top up water coolant on cl63 Mercedes Benz


The coolant bottle is on the passenger side and black in color. Wait til cool and simply remove the cap by unscrewing it. Top off to the line on the exterior of the bottle and replace the cap. If the resevoir is empty (take a flashlight and peer in), start the engine from a cold temp. and turn the heater on high to ensure that there are no air bubbles in the system to create an issue. Fill the resevoir until you reach the level on the exterior. If it is empty you need to get it looked at and find this leak before it overheats and destroys the head gasket. Let me know if you need anything else.

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My mini is using alot of coolant we think the thermostat is blocked, its pressuerising it back through the resevoir


Most common coolant leak is from the thermostat housing seal. Replace seal or housing and bleed properly.
Loosen plastic bleed screw on pipe above fan belt. Fill coolant via pressure cap ( right had side of engine....not expansion bottle) tighten once coolant free of air is seen. Run engine, loosen other plastic bleed screw on heater hose ( towards bulkhead ) and retighten once coolant runs free of air. Top up via cap again, run engine at 2500 rpm for 3 minutes with heater on ...should be very warm now. Once cool, check level and top up as required.

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Yes it is normal just no hot air


1. When setting the temperature to MAX, blower level to FULL and outside air Vent CLOSED, no hot air comes out after 2-5 minutes?
If YES, when did you last flushed your radiator and is it full?
2. if more than 5 years ago, flush radiator system, instructions are usually in Owners manual. Use a bottle of Radiator cleaner, run egine hot for about 10-15 minutes, carefully open petcock in bottom of radiator to flush out radiator, WARNING, careful as flushed coolant would be boiling hot. As sson petcock is open and water start to flow out, carefully open radiator cap to enhance flushing flow. Use garden hose to fill radiator while flushing until water coming out from petcock is cold and clear.
Once clear, start engine, turn heter full and blower full blast and keep hose in radiator flowing full, leave petcock open until clear water flows out again. Once clear waters comes out, turn off engine,turn off garden hose and let water drain empty radiator. Once it stops flowing out, close petcock snug and put radiator cap on, pull off radiator coolant catch bottle, clean bottle for any debris and dirt. Drain any water, leave bottle empty and put it back onto its place.
3. Fill radiator with 1 gallon (4L) of concentrated coolant, top up radiator until full, fill catch bottle with concentrated coolant, start engine and keep it overflowing until no bubbles comes out and the radiator is fully hot. Once it is flowing good, close and connect everything. Drive with it and keep catch bottle filled as necessarry.
Good luck. Give as vote and good comment if this advise solve youor problem. Thank you.

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2 Answers

Heat is not working - coolant was low so filled it.... problem here... heard something about an air pocket


If you dont have an external coolant leak anywhere under your hood that has shown up on your driveway it could be the intake manifold or the headgasket leaking. Also check the thermostate to solve the heat issue.

Jan 05, 2011 | 1998 Pontiac Bonneville

2 Answers

How to check antifreeze i do not see any in the over flow resevior it seems to also be made of thick plastic . should I be able to see collant level easialy. The car has been parked for 30 minutes


u should be able to see coolant easily, remove the overflow cap and check the level. the proper level is maker on the tank (cold andhot levels marks) clean it off to see it.

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1 Answer

2000 Jetta VR6 temperature gauge sometimes dips down to zero or fluctuates while driving. I've checked the coolant levels and for leaks on the driveway/engine compartment and I can't see any signs of a...


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Coolant filling up overflow bottle and not returning Started intermittently No coolant leaks Changed Hoses Cap Thermostat Cooling system has always had good quality coolant and is clean inside...


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