Question about 1991 Geo Prizm

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Timing belt broke

I have a 1991 geo prizm and have talked to a few people about replacing this belt. They all say that this is an interference engine. Its the dohc engine. I was just curious what the odds were that I didnt smash a valve? There is no knocking when I turn it over and it doesnt sound like anything is hitting. I guess my question would be. Is it worth while to do the work and put the belt on or is this engine toast for sure?

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I have checked with Gates who make almost all the belts and they show your engine is free wheeling in there application guide, so just replace the belt and u are good to go, here is a link to the site
http://www.gates.com/downloads/download_common.cfm?file=428-1466_web.pdf&folder=brochure

Posted on Jan 22, 2009

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2 Answers

I have a 1991 geo metro 3 cylinder blue a timing belt is this engine a interference type so that the vavles are broke


No this engine is not supposed to be an interference engine.
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Is the Prizm an interference type engine that would be seriously damaged if the timing belt breaks?


there are 3 engines, all made by toyota.
if it has a belt, some engines, are not free running.
find your engines. then go to gates belt do com and look it up
and see last column, "interference'?
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89-02
joint venture, GM/toyota with 3 engine used.
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toy engine, 4aFE, 7AFE or 4AG
open hood look
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for docs?
ebay
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Geo Prizm factory service manual, Duh?

http://www.ebay.com/sch/i.html;jsessionid=D19D723C2EDB4A9FE12E7C01C0677129?_sacat=0&_nkw=geo+prizm+shop+manual&_nkwusc=geo+prizm+shop+manaul&_rdc=1

Feb 17, 2013 | 1990 Geo Prizm

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Where are th timing marks found on a 1990 geo prizm 1.6 l engine


Below is the master help link provided to go through belt routing diagram:---Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?
Click the link below: ----

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html
----------This will help. Thanks.

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1996 geo prizm 1.8 ltr lsi timing belt replacement diagram


Below is the master help link provided to go through belt routing diagram:---Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?
Click the link below: ----

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html
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I broke the belt on my prizm yesterday that controls the alternator and water pump. The engine heated.I had a new belt put on and did my delivery job that night(250 miles). Today it died on me. Could this...


If the timing belt broke the engine would sound way different when turning over and it would crank faster since you would not have compression. Look thru the oil cap while cranking. You should see the valves moving

Jul 12, 2010 | 1993 Geo Prizm

1 Answer

Is the 1.6 liter engine in the '95 Geo Prizm an interferance engine?


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May 11, 2010 | 1995 Geo Prizm

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Apr 19, 2009 | 1996 Geo Prizm

1 Answer

Looking to buy a 1990 geo prizm with timing belt out


Nope.. Its an Interference engine.. Its a GEO.. RUN from it .. esp with that many miles on it.. Interference= Valves eating the piston when the belt breaks.. offer them them 5 bucks for the car.. ty Lemmie know how that goes!!

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1 Answer

I have a 1991 geo prizm engine type L4,vin engine code 6 single overhead came. I am going to change the plugs and wires i just had a timing belt changed would it throw the belt off & does the spark...


No, it should make a difference if you replace the plugs and wires when it comes to your timing belt. It will not effect the timing belt at all.

Jul 24, 2008 | Geo Prizm Cars & Trucks

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