Question about 1993 Toyota Previa

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In my Toyota previa 93 , it gives knocking sound when in gear and it become more if AC is ON and if i put it in neutral this sounds goes off Pls any one knows the reason

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  • Toyota Master
  • 1,121 Answers

Check your crank pulley,possible the rubber which is used on it cracked and on loading the ac knocks,or check the tensioner of the ac belt,or the ac compressor the pulley of it.

Posted on Sep 23, 2012

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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thomas marineau

  • 46 Answers

SOURCE: 1992 toyota previa makes sputtering sound when i

prolly sad shaft bushings 100 bucks on eBay and not to much expertise needed

Posted on Dec 12, 2010

Smarterer

  • 170 Answers

SOURCE: toyota previa 1993 startup problems

Does it spin at all? If not either the starter is bad or the engine is seized. Try to turn engine with a socket wrench on the crank pulley bolt. Anything happen to the truck just before you had starting problems (drive through a deep puddle, overheat the engine, lose oil pressure, blown head gasket)? If it was deep water the engine could have hydraulic lock from water in the cylinder(s), remove the spark plugs and try to turn it over with the starter. If it turns over clean, dry and re-install the plugs. If it overheated, ran with low oil pressure, or the oil was contaminated with coolant the engine is probably seized.

Posted on Feb 07, 2009

Anonymous

  • 5 Answers

SOURCE: Very dificult to start

I would change fuel filter any way only £6 delivered on ebay then i would start looking at glow plugs and relays first check to make sure glow plugs are getting a live feed bad side glow plugs are located under drivers seat side of engine so not easy to get at unless you remove seat carpet and engine covers

Posted on Feb 27, 2009

moparownr

Jeff Hammack

  • 667 Answers

SOURCE: Removing a speedo gear from 86 toyota transfer case

do you mean the actual gear for the speedometer? if so no they don't, but of course the cable must be disconnected

Posted on Mar 25, 2009

Anonymous

  • 1 Answer

SOURCE: 91 Toyota Previa AWD - Swap original engine for Previa Supercharged engine

I do a lot of work on Toyota Previa before; including rebuilt engine, swapping engine and transmission and lot of things in between, but never swap a normal aspirated engine to a supercharged engine or diesel. Since i have some experience in Previa, I would like to share my opinion with you regarding your plan to swapping the normal aspirated Previa engine to a Supercharged engine. When you do a swapp like that, you will not only be dealing with just swapping engine, but some wiring, computer, throttle body, air cleaner assembly, extra frame and pulley on the accessory items, transmission as well as a right rear end to get the correct gear ratio to accomodate the new engine and transmission. I can go on even more, but let me tell you this, beside less headache, it would definitely cheaper if you were to find a Supercharged Previa and fix it up. However, if you are totally motivated to do this project, keep in mind, this engine swap will be a long term and time consuming project.l I wish you best of luck and have fun!

Posted on Jan 17, 2010

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2 Answers

The compression is the same for all cylinders(150), but when I turned motor over, water came out of #1 cylinder only. Any idea?


Sounds like a head gasket leaking water in from the cooling system. Does it run OK? Any water in the oil on the dipstick and a mayonnaise type film on the oil filler cap?

Jan 21, 2016 | 1992 Toyota Previa

1 Answer

Question 1. My 2003 Honda accord vibrates especially when the AC is on and its on drive or neutral gear, but it does not vibrate/shake when its in motion.


Hello,
It sounds as if your Automatic Transmission is having issues. The first thing to do is check the Automatic Transmission Fluid (ATF). This is covered in the Owner's Manual (should be in your glovebox??).

If the level is low, it will cause issues. Your ATF should be serviced every 30,000 miles.

GL,
TD

Apr 28, 2015 | 2003 Honda Accord

1 Answer

2000 Estima, 6 cylinder, makes a short whining noise on start up, also when placed into gear both forward and reverse - mainly when cold - makes a slight knocking sound that fades when you pick up speed,...


The whining noise at start up is either the power steering pump (possibly low fluid, or faulty pump bearing), or possibly a belt on the engine. As for the knocking sound, that is hard to diagnose without actually hearing it, but based on the fact that you are hearing a whining sound at start up, which is indicative of a loose belt, I would start at the belt tensioner and make sure that it is applying the correct amount of pressure on the belts. If the belt tensioner is faulty, it can make a knocking sound. If that is not the issue, then it could simply be the lifters. With engine run time/miles on the engine, internal engine components, such as lifters, valves, bearings and any moving part, deteriorate from friction wear and heat.They have a tendency to make a knocking/rattling sound when they are building up pressure. When they build sufficient pressure, or the engine reaches operating temperature, this sound/noise will dissipate and become nonexistent. This can be remedied by changing the oil, and possibly the weight of the oil (5w30, 10w40, 20w50) depending on your driving habits , or conditions (Highway v/s City/Stop&Go, or short trips under 30 miles)

I hope that you have found this information to be useful, and if I can be of any further assistance, please let me know. Thank you for using fixya!

Oct 01, 2013 | 1995 Toyota Previa

1 Answer

My toyota corolla automatic gear 93 model has gear problem some times lever pressed essily slip gear niddle of speed meter dancing goes ups down it seems car become free


sounds like the speedometer cable needs replaced but id need more information from you as to what the car does to be sure

Jul 08, 2011 | 1993 Toyota Corolla

2 Answers

My 1996 Toyota Previa shimmeys when it is stopped;when


check the tick over speed if its slow, less than 850 950 rpm in gear that why it shimmeys,, the engine is trying to stall in gear,,,if you need to bring up the tick over speed have some body in the car holding the brakes down for you as it needs to be ajusted with the car in gear,,and running yourself over hurts??? the car should just creep forwards with the engine runing in gear with the brake off,,,tickover speed of 950rpm

Mar 07, 2010 | 1996 Toyota Previa

1 Answer

''thud'' sound when starting


Is the "thud" sound after start then put in gear or a "thud" just after starting. If "thud" after in gear, could be a CV joint wearing out

Oct 15, 2009 | 1997 Toyota Previa

1 Answer

I have a 2.5ltr toyota previa n reg


Possible air leak take off engine covers and spray with wd40 whilst engine is running if idle increases and engine becomes less erractic then air leak is were you sprayed wd40 normally its a gasket gone

Jan 12, 2009 | 1993 Toyota Previa

1 Answer

Engine idol knocking noise stalls while holding on footbrake


Hi portop,
Have the valve clearances checked, it could be tappits noise.....Has the vehicle ever been over heated? How's the power output from the engine, has it changed since you've had the vehicle? Does the sound disappear completely, or is the knocking sped up so it's faster and becomes hidden?

I think that it will be a good idea for you to have a technician listen to the engine, to make sure that you don't have a serious problem. Get two or three opinions

best regards Johngee10

Jul 12, 2008 | 1995 Toyota Previa

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