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1998 Toyota Corolla 1.8 7AFE vacuum diagram

Off intake manifold where is the main vacuum besides the break booster

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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chiquititas
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SOURCE: Vacuum diagram for 4A-F engine

hmmmm... im not expert in these kind of problem but... try to replace the diagram? it is possible?

Posted on Jun 19, 2008

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  • 1 Answer

SOURCE: water leak under the intake manifold,1995 toyota 4 runner

There is a heater core bypass pipe that runs from the block (under the manifold) to the bacl of theengine where you will see a flat rectangular "sheet metal" thing with a pipe coming out of it. The a rubber hose connects. You need to pull the top air plenums and intake to get to it. The p[ipe flange bolts to the block with silicone rtv as a sealant.

Posted on Nov 27, 2009

Testimonial: "thanxs"

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SOURCE: fuse diagram of toyota corolla 1998

most fuse diagrams for toyotas are on the inside cover of the fuse panel whether inside the engine or mounted on firewall under dash on drivers side

Posted on Dec 22, 2009

damienleighp
  • 3 Answers

SOURCE: trouble code po171 for engine running lean

where the hell do i find a 1996 ssangyong musso vaccum hoses diagram that is readable because i have the work shop manual and it shows me bugger all

Posted on Apr 06, 2010

  • 1 Answer

SOURCE: need diagrams for vacuum lines 1989 toyota 4cyl

need vacuun diagrams for corrola 89 sedan

Posted on Jul 26, 2010

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1 Answer

Evap problem


code p0440 refers to EVAP system malfunction==causes hose connections---intake leak---EVAP canister purge valve

check for vacuum leaks (vents -auto control-manifold-brake booster etc). Check for cracked /loose hoses on the tank/filler neck

Sep 06, 2014 | 2002 Toyota Corolla

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Car stall 1998 toyota corolla, replace cam shaft sensor, crank shaft sensor, could it be the main fuse box


The Year 1998 Toyota Corolla engine will stall due to:
Spark plug faulty
High-tension cord faulty
Ignition problems:
• Ignition coil
• Igniter
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Incorrect ignition timing
Vacuum leaks:
• PCV line
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• Intake manifold
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Feb 11, 2014 | 1998 Toyota Corolla

2 Answers

Where is the brake booster vacuum line on the 89 toyota camry?


Booster line will attach to back side (firewall side ) of booster chamber.

Should find a metal elbow coming out of the booster chamber that the vacuum line will slip over.

When you look at the booster chamber from the front, the location of the line should be at approx. 9 o'clock (as if looking at a clock dial)

Jan 24, 2011 | 1989 Toyota Camry

1 Answer

Push on brakes brakes push foot back up take a long time too stop car 1998 toyota avalon look at cal.&rot. look.


If you feel that the brakes are hard then check you brake booster, It coud be bad or have no vacuum from the intake manifold. Good luck

Dec 13, 2010 | 1998 Toyota Avalon

1 Answer

I have a 2001 Toyota sienna. my brakes where working fine then all of a sudden i had to push the peddle all the way to the floor to stop.could this be my Master cylinder or power brake booster.my brake...


It sounds like the vacuum booster control unit that gives you the power assist check the main vacuum hose that clamps to the unit it mabey leaking engine vacuum or the other end of the hose where it attaches to the intake manifold if there is now leak the unit maybe bad

Nov 14, 2010 | 2001 Toyota Sienna

1 Answer

Lack of vacuum for power brake booster


the booster vaccum line may have a crack in it.

theres a big round thing on the back of the brake master cyclinder.
that round thing is the booster theres a vacuum line connected to it follow the line to the intake and check it for cracks or breaks.
or the booster it self may have a vacuum leak inside of it.
if so the booster will need to be replaced.

keep me posted.
thank you
jm

Jan 27, 2010 | 1998 Toyota Corolla

1 Answer

My 4k wont idle


Low / uneven idle problem can cause by a lot of components.

Dirty air filter

Dirty injectors + o-rings

Vacuum leak at intake manifold and vacuum hose.

Bad Idle Air Control Motor (IAC)

Low compression (170 psi + is OK)

Start cleaning and repair these trouble spots and see is there any improvement.

====

For more advance DIY'er then you may try this.

Use a can of Berryman carburetor clean to locate the vacuum leak.


SEE SAMPLE PICTURE HERE


This is a 20-30 minutes job.

Vacuum leaks can occur in following locations.


Intake manifold AND/OR vacuum lines.


Intake manifold is not accessible unless the engine head if off.

You can still check the potential leak by spraying some Berryman near the intake manifold.

Listen for rpm increase after you introduce the Berryman (FUEL) at idle.


Do the same starting from the brake booster unit (the round unit) on the drive side fire all.

Carefully listen for increase of RPM right after to spray the Berryman to the potential vacuum spot.

Get a friend to HEAR the ROM increase or monitor for RPM on the tech.

DO NOT AIM the Berryman into any heat source.


PLEASE RATE my answer if it is useful to you.

Sep 04, 2009 | 1985 Toyota Corolla 2 Door

1 Answer

Removing starter from toyota corolla 1998


No. Removal of the intake manifold is not an attractive option.
...That will cost you more time and money in the long run.
You will need to replace the intake manifold gasket, and several others.

Jan 15, 2009 | 1998 Toyota Corolla

1 Answer

Toyota Corolla GL 90 model


Look for a valve in the hose connected from the brake master's hydrovac going to your engine's intake manifold . check if it is still working, the valve traps the vacuum from your manifold to the hydrovac. Replace valve if air passes it on both sides.

Oct 13, 2008 | 1990 Toyota Corolla

1 Answer

Vacuum diagram for 4A-F engine


hmmmm... im not expert in these kind of problem but... try to replace the diagram? it is possible?

Jun 19, 2008 | 1988 Toyota Corolla 4 Door

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