How to do the Lancer coolant bypass mod - 2002 Mitsubishi Lancer
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- เผยแพร่เมื่อ 28 ส.ค. 2024
- This is a How To video on the coolant bypass modification for your throttle body on the Mitsubishi Lancer.
Mine's a 2002 manual OZ Rally edition but it should be the same for most Lancer's/cars.
These are the coolant lines that run through the throttle body and heat up the air going into the combustion chamber. Doing this mod will cool the air going into your engine and result in a SLIGHT increase in HP and fuel milage.
The reason these coolant lines are running through the throttle body in the first place is they act as a deicing agent in cold temps... historically this has not been an issue and thus I (and many others) have decided to do away with them. Proceed at your own risk
Thanks for the interest :)
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/ mci2727
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The way I did mine was take the hose on the right side off completely from throttle body and hard line to heater core. And the hose on the left I looped to the nipple on the hard line to heater core. Removed a hose and 2 clamps from the system,cost nothing and still executed the coolant bypass on my Oz rally without buying fittings. It's good to go! Lol
great video sir, but you should just remove one hose and use the other to reconnect the waterline, you don't need to buy anything. AND YOUR GOOD TO GO.
You can do this to any EFI engine, it will not damage the engine at all.
Thanks. The reason I did it this way was to have the option to return it back to factory if I ever chose to :)
@@mci2727 - it's a good idea if you live in a warmer Country. I installed a tap so i can turn it on or off, I live in Australia and it's always warm so i cut one line and installed a tap, as some nights are really cold 4*C. anyway, enjoy sir stay safe.
@@drchan5893 I'm interested to know what do you mean by a tap ? How do I do this ?
what are the sizes of the hoses that connect from the firewall to the throttle body ? 🤔
Ummmmm.... you should have got some vacuum caps to block off the two bars on the actual throttle body. leaving them open and exposed like that is not good
should the coolant be leaking out of those two barbs from the engine right after finishing??
Nice tip sir! How about the other bigger hose that attached to the thermostat body? I noticed that it has a rubber inside with a tiny hole? Can i remove the rubber inside?
Hello 👋 good job but why? gave the car any problems?
With this part leaking, would it leak into your speed sensor? My transmission speed sensor is literally sitting in a puddle of anti freeze. All I've gotten is a blank look from both mechanics I've gone to as to whats doing this.
Whats the advantage of doing that bypass sir?
mitsubishi galant 2003 model what is the purpose of water at the throttle valve ...
hello Micah, I like your informative video and I was wondering if you know how to do the coolant bypass mod on a Mitsubishi 2.4lt 1997 to 2003 model rear wheel drive starwagon
Hi, thanks for the comment.
I'm sorry, I don't. Wish I could help more, but never worked on them.
Hi sir can you please locate the coolant temperature sensor in your 4g92a engine
I can see that you have some extra rubber on the hood, Can you post a video of that ? thanks :)
Sorry GregoryHouseMD1 (great name :) ) if you're asking about the weather stripping I believe it's all factory installed. The inch wide strips of rubber right?
Micah G Robinson
Hahah! Thank you ! :) yes yes the rubber.. Weather stripping on the hood,
I don't seem to have it on my car. That's why I asked you about it!
This is a 2L SOHC engine - with a 5 speed manual right?
But I have all 4 disc brakes on my ride. You posted about rear drums.
Strange.
will this work on a 2003 lancer es?
Yes
hey micah can you help me with my problem on my lancer glxi 1995 i think that the problem is the wire socket under the throttle body it is covered with silicon rubber and mine was melted can i fix it my self? during a cold start my engine surge high i need to heat my engine may be 10 mins
+jerome levardo Sorry for the late reply, I'm guessing that's your idle air control motor and harness. It sometimes burns up, I'd probably take it to a mechanic to repair because it's possible something caused it to fail in the first place.
Otherwise I'd say your best bet is to buy a new idle air control and try to get the harness from a junkyard.
your maf says it's for what looked like an 04 galant why did you put one of thoes on I have an 02 galant and if it's better should I put one on mine or is mine the same
Good eye!
It is from a Galant, I put it in because it's larger and allows more air to be pulled in... But it takes more than just replacing the MAF as the computer needs to know it's been replaced and needs a custom air/fuel curve installed to utilize the upgraded MAF
So I had a custom rom programed and installed to benefit from the upgrade.
how did you get the custom rom programed and were did you take it to be done at
I'm thinking about doing this as well, for my lancer. What program/mod are you using?
Can u give explaination for 4g18 proton?
Because want to decrease the hot air into your car manifold , make it fast and powerful with cool air .
@@sehpengpng7631 ok tq..
You don't explain 'Why' you did this coolant mod would you please explain? thanx
Hey JADAR671 thanks for your comment.
You can find the explanation in the video description;
"Doing this mod will cool the air going into your engine and result in a SLIGHT increase in HP and fuel milage.
The reason these coolant lines are running through the throttle body in the first place is they act as a deicing agent in cold temps... historically this has not been an issue and thus I (and many others) have decided to do away with them. Proceed at your own risk
Thanks for the interest :)"
Does that answer your question?
JADAR671 did you even watch the video??
Piss Off. from a 2 year old post. lol
if engine lancer 4g92 can do by pass or not?
Sorry, I'm not sure. I've never worked on the 4g92 before.
Should be fairly easy to look at and see if there are coolant lines that run through the throttle body or not. If there are coolant lines running through the throttle body, you can do a coolant bypass.
Thanks so much!
doing this does what ??? how come you bypassed it
These are the coolant lines that run through the throttle body and heat up the air going into the combustion chamber. Doing this mod will cool the air going into your engine and result in a SLIGHTincrease in HP and fuel milage.
the reason these coolant lines are running through the throttle body in the first place is they act as a deicing agent in cold temps... historically this has not been an issue and thus I (and many others) have decided to do away with them. Proceed at your own risk
Thanks for the interest :)
I'm a do it I need the hp my car is weak and I got headers staged clutch intake and exhaust hope it doesn't breath in from those lines
No it most definitely will not breath in through these lines. You should be good to go.
Sadly these cars aren't fast cars. Can be made faster though :D
can this cause overheat?
+Adrian Garcia Most definitely not. This will not affect the operating temp of your car at all.
Did you do it and you're now having overheating issues?
+Micah G Robinson no but as you can see I have a mitsubishi lancer es and j have changed the thermostat,both engine temperature sensors,radiator hoses top and bottom, and relay for fan I don't think it's my radiator cause it got changed 2 years ago but it overheats very fast like 1-3 mins and now I'm thinking of junkie it but I don't want to because that car has taken me to so many far places so please help me with suggestions.
Sorry Adrian Garcia my first guess would be the fan control but you replaced that already?
+Micah G Robinson I took it to mitsubishi motors and it was free cause it was a recall
+Micah G Robinson the fan control module
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hmm delete the bypass, yank out everthing that adds weight. spare tire, seats, stereo. youll gain a lot doing that especially saving added centrifugal forces to your alternator from all of the neons.. frees up some ponies on the serp.
mitsubishi galant 2003 model what is the purpose of water at the throttle valve ...
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mitsubishi galant 2003 model what is the purpose of water at the throttle valve ...
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