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What is this part? '02 Malibu
09-07-2014, 09:02 PM (This post was last modified: 09-07-2014 09:03 PM by gavinr.)
Post: #1
What is this part? '02 Malibu
Hey I've been teachin myself how to repair my cars because it's just too expensive to take it to the shop every time i need something.my biggest problem though is figuring out what a part is called. So anyway i was driving my friend's `02 Chevrolet Malibu and kinda stalled out like it was out of gas upon further inspection i noticed there was this tiny hose coming out of the engine that looked Like out was cut in half. So i taped it together and the car started again fine. But i need to replace this part i just can't figure out what is. I also don't know where the other end goes. So could someone help me please? Here are a couple photos it's the white Little hose coming out of the engine with the tape on it


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09-07-2014, 11:12 PM
Post: #2
RE: What is this part? '02 Malibu
It's a vacuum hose by the looks of things and if the other end is not already connected somewhere the answer may be on the vac diagram sticker under the hood.

You can make a repair to that hose (actually a plastic pipe) with a short piece of rubber vac hose or replace the entire length with a rubber hose of the proper diameter. If you replace the whole thing be sure to route it away from moving parts (throttle linkage) and anything that gets hot like the exhaust manifold.
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09-07-2014, 11:18 PM
Post: #3
RE: What is this part? '02 Malibu
(09-07-2014 11:12 PM)Rupe Wrote:  It's a vacuum hose by the looks of things and if the other end is not already connected somewhere the answer may be on the vac diagram sticker under the hood.

You can make a repair to that hose (actually a plastic pipe) with a short piece of rubber vac hose or replace the entire length with a rubber hose of the proper diameter. If you replace the whole thing be sure to route it away from moving parts (throttle linkage) and anything that gets hot like the exhaust manifold.

Thanks so much, i think I'll just try and repair the hose.
Here's another question though, it looked as if it were cut in half do you have any ideas why it would have broken? I noticed after i taped together the engine was running hotter than normal (about 2/3rds) up the temperature gauge. It's not leaking coolant so i thought maybe i need a new thermostat but could the vacuum leak be making the engine run hot?
Thanks again
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09-07-2014, 11:29 PM
Post: #4
RE: What is this part? '02 Malibu
Possibly and that depends on what the vacuum controls. Typically those plastic pipes crack from old age and heat at that age. Almost looks like a clean break or a cut but it's a break. Bend it with your fingers and if it cracks off then replace it back to a point where it's still got some flex to it or it will happen again. The hose / pipe diameter is different than the end fittings so if you feel the whole thing is crappy then by a couple of feet to reach both ends. See what happens after you change it and let us know.
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09-08-2014, 04:27 PM (This post was last modified: 09-08-2014 04:28 PM by gavinr.)
Post: #5
RE: What is this part? '02 Malibu
Thanks that really helped, the car starts now but it's over heating. I found a hose that's not attached anything and doesn't have ax clamp. Does anyone know where it goes ? On my Suzuki that hose goes right to the radiator but this one isn't looking enough and i can't find the other end if it was cut. I'll attach a picture . Thanks again y'all


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09-08-2014, 06:29 PM
Post: #6
RE: What is this part? '02 Malibu
If we are looking at the overflow tank for the radiator that hose is open on the end and should point down instead of laying on the shock tower.
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09-08-2014, 10:19 PM
Post: #7
RE: What is this part? '02 Malibu
Forgot to mention, the radiator must be full and the overflow tank must be up to the mark. For the system to operate correctly there must be no air in the system. If that's the standard V-6 (3.1 or 3.8?) there may be an air bleeder on top of the engine by the upper hose. You open that as you fill the system and close it when coolant comes out with no bubbles. If that doesn't do it you may want to replace the thermostat or double check the electric fans.
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09-10-2014, 01:01 PM
Post: #8
RE: What is this part? '02 Malibu
Thanks,
Turns out there's a small leak inn the radiator and the head gasket was blown. I appreciate it though.
Here's another question that's kind of unrelated though
I replaced the radiator in my Suzuki and i didn't tighten a couple bolts att the bottom enough and a bunch of oil poured out. Is that just engine oil or should i be checking something else?
Thanks again for all your help
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09-10-2014, 03:34 PM
Post: #9
RE: What is this part? '02 Malibu
Some radiators have oil coolers built in for the auto trany and engine oil. If these lines are not tightened properly they can leak. Many of those same lines have an o-ring on the end for sealing. If the o-ring fell off it can also leak.

Hint: auto trany fluid is usually red so that may help identify which fluid is low.
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