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Questions tagged [intake-manifold]

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1answer
37 views

Weird Corrosion on Subaru intake manifold bolt

So I pulled the intake manifold off my 04 Forester xt and one of the bolts on the driver side had this whitish battery acid looking color. Does anybody know if this should tell me anything?
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0answers
11 views

Port block off suggestions

1967 Mercury Cyclone 390 FE motor. I have an old Offenhauser Ford FE 390 intake manifold with two fours (aka: dual quad or 4x2 carb setup). It has a "Y" hole in the back of the intake. Is there ...
2
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1answer
33 views

Does the air intake system in a VW CC 2010 go around the engine?

I am trying to visualize what the air intake system in my car looks like. It's a turbocharged 2.0L VW engine. As I understand it, the air intake is on the front right near the radiator and headlight....
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0answers
167 views

Liquid sealant with MLS gasket on intake manifold?

I recently took the intake manifold off my 2009 Honda Fit. The mating surfaces of the lower intake manifold, gasket, and cylinder head were uneven, so I cleaned them via acetone and hand sanded with ...
2
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0answers
174 views

W204 C180 Manifold absolute pressure sensor

I am trying to install a RaceChip unit in my car. I need to find the Manifold absolute pressure sensor. I am aware that it’s near the air box, but I can’t find it. Here is where it should be: Here ...
6
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1answer
246 views

Torn metal found beneath oil filler cap, need help identifying part and severity

I was replacing the oil today when I noticed torn metal inside the engine -- never a good sign. This is a 2005 Pontiac Vibe 1ZZ-FE, on which there is a lot of documentation but none proved useful to ...
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2answers
509 views

Small coolant leak in after replacing the intake gasket

I have a Chevrolet s10 with a 4.3l v6 which just hit 200000 km . I got my mechanic to replace the intake manifold gasket two months ago after a huge coolant leak. It ran fine since then, however ...
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1answer
75 views

Precautions before changing air filter [closed]

I am using Chevrolet Sail-Uva Diesel 2013 model(India). I am about to change my air filter. Is there any cleaning process before changing air filter in cars? Anybody have great tips can improve this ...
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2answers
1k views

What is this part of my Carburetor ? And what does it do?

My car is a 1987 Toyota Tercel DX Wagon 1452cc 2bl manual driven car. Carburetor of it is a Aisan 14120 Two Barrel carburetor. I have removed the carburetor of my car for repair. I know all the ...
6
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1answer
198 views

Same engine but different intake manifold design: which one should I use?

The engine I'm rebuilding (Skoda Estelle '72, RWD, rear mounted engine) is the same from previous models, with slight different changes. One of the things they modified was the intake manifold which, ...
5
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2answers
2k views

Manifold vacuum vs performance

I've been reading around looking for data on how to interpret manifold vacuum. Why? Well, my original thought was that 0.0hg meant that there was no restriction in the intake system and would mean you'...
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0answers
655 views

Calculate Intake Manifold Absolute Pressure from MAF Engine using OBD Data

I need to calculate Intake Manifold Absolute Pressure from OBD Data. I have Toyota Corolla GLI 2010 Model. This car has MAF engine which does not return Intake Manifold Absolute Pressure. Where'as I ...
2
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2answers
189 views

How is Intake Manifold flow measured?

Intake Manifolds sometimes include measurements by amount of flow per unit of time, and involve a lot of complicated air flow effects. How are these flow values measured and/or calculated? edit: ...
3
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1answer
1k views

VIP future champion gas moped (carb)

I have a moped talking, and on the carburetor there are usually two hoses, right? Because currently mine only has one coming from the carburetor, and the line is going to the gas tank. However, I do ...
4
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2answers
570 views

What is an intake heat control valve for?

I'm working on a motor that uses a vacuum and electrical harness from a 1986 Mercury Cougar 3.8L with EEC-IV. I have an unused vacuum line from a solenoid and I'm not sure where it goes. It's labeled ...
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1answer
73 views

Ford Taurus 2004 3.0

I'm using MOTORCRAFT brand spark plugs, and would like to know the recommended the gap for a 2004 Ford TAURUS 3.0. Also, I have a a leak in the lower section of the intake manifold.
2
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1answer
27 views

what the torque should be on my 2000 gmc 4.3 intake maanifold

I need to know the torque on intake manifold bolts on 2000 gmc Sonoma with a 4.3 motor
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3answers
5k views

How to fix an injector leaking into the manifold?

I suspect I have an EFI common rail injector that fails to hold pressure and slowly leaks petrol into the manifold when the engine is shut down (and possibly while running). I am interested in why ...
1
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1answer
1k views

GDI intake cleaning before or after oil change?

I drive a 2014 Kia Rio 1.6l engine with direct injection. I am at 22000km and considering using this intake cleaning product that gets sprayed into the intake. http://crcindustries.com/auto/intake-...
15
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2answers
2k views

Yamaha R1 intake tract configuration

Interesting Configuration The Yamaha R1 has a very strange intake design. Notice the intake horns in the image below. They sit above the throttle bodies and are not attached directly to them ...
8
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1answer
18k views

Consequences of a Dirty Intake Manifold

This is similar to, but not the same as my question Effects of Dirty Piston Heads and Intake Valves. Basically, I often see people talking about taking the intake manifolds off older cars to clean ...
10
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1answer
28k views

How does intake manifold runner length effect the power curve of a car?

Recently I learned that a number of things such as the cam profile, compression ratio and the intake manifold runner length and volume can all effect the power curve of the engine. Here is an ...
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9answers
38k views

Best way to remove broken bolt from intake manifold (broke nearly flush)?

While trying to remove the intake manifold from an old Ford 302 one of the bolt snapped off. As you can see below it is just about flush with the manifold (just below. What's the best way to get ...
12
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2answers
8k views

How do variable-length intake manifolds work?

I have heard many vehicle manufacturers have been using this to improve power and torque figures. They do this by altering the length of the manifold, I am hoping for better diagrammatic explanation.
7
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1answer
11k views

What are some Seafoam Alternatives

I read this procedure for using Sea Foam ( also listed on their website ) to clean the intake manifold, injectors and crankcase. I think this would be useful for my vehicle, however Sea Foam isn't ...
3
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1answer
3k views

Burning smell when getting out of the car

I sense a burning smell when getting out of the car (Nissan Maxima 02 V6). I am pretty sure it is an oil leak from somewhere based on the odor, but not sure where else to look for. The smell was ...