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97 Geo Metro 1.0L 3-Cylinder Project
Topic Started: Aug 29 2010, 07:10 AM (4,303 Views)
epurvee
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Accident prone member
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I bought this metro a little over a month ago.

Posted Image

So far I have done the following:

Changed oil filter and oil to Synthetic 5w-30
Replaced air filter
Replaced fan belts
Replaced spark plugs and wires
Had AC repaired
Cleaned EGR valve and passages

Shortly, about a week, after cleaning the EGR valve and passages I started noticing a clicking noise on acceleration, which sounded a little bit like a hand crack which would increase in speed as the rpm's increased, but would not be present when running at a constant speed, or when revving the engine in place, only when the engine was under load. The noise seemed to get louder and then I had a loss of power at the low end and then I did the following.

Replaced fuel filter
Replaced PCV Valve
Replaced catalytic converter
Seafoamed throttle body
Replaced distributor cap and rotor
Replaced distributor o-ring
Adjusted Ignition timing

After getting the new cat properly installed, the noise decreased and it seemed a little bit of power came back. I adjusted the ignition timing with my father from the factory 5 degrees to the board recommended 8 degrees. It feels like I have gained the low end power back, but when the engine is under load I still notice that clicking noise a little bit. It is not as loud as before though. When my father and I were adjusting the timing, I head a hissing noise coming from around the fan and alternator belts. I wasn't sure if it was the belts or if it was a leak so I'm going to replace the vacuum lines. I have new hose so I just need to do it.

I still have the following to do:

Install 3-tech economy cam and 8-degree advance timing sprocket
Replace timing belt
Replace water pump
Replace all vacuum lines
Find out where the heck that clicking is coming from.
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Coche Blanco
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Have you already bought the cam?
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epurvee
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Yes, I have the cam and sprocket. I just need to do the deed.
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Coche Blanco
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Awh I could have saved you some money. lol
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Johnny Mullet
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Fear the Mullet

Thanks for sharing this!
Edited by Johnny Mullet, Aug 29 2010, 05:01 PM.
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metro_fiend
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where Geos come to die

wanna sperate with those nice trim rings and centers? :deal
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epurvee
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They have some rust on them. I don't have replacements for them so unless you were going to make me a great offer I'm going to hold on to them.
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undgsx-R
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I have the exact same engine noise as you after my engine rebuild. I would love to know what it is.
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epurvee
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After talking to a few other people, I'm thinking that it might be the lifters. If that is the case I'm not going to do anything about it until I need to do a rebuild.
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Vanpeerce
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What is the first year geo metro came with factory ac
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Woodie
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It was an option any year the Metro was made, 89-01.

This has nothing to do with the OP's topic, you should start your own thread for a question like this.

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epurvee
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I have made a few additional mods. I have put a full grill block on, removed some mud flaps put on the by previous owner and deleted the passenger side mirror. I still need to do the following, but at least I have a buddy who is going to help me do it next weekend.

Install 3-tech economy cam and 8-degree advance timing sprocket
Replace timing belt
Replace water pump
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Offthehook900
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sounds like it is going nicely! Are you going to be doing any other mods to help with mpg? aka lowering, etc.
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epurvee
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I'd like to put rear wheel skirts on, a cam back and a belly pan eventually. If I was good at fabricating I would try a boat tail, but I'm not that good so that probably won't be in the cards.

I am planning on upgrading to 15" rims with LRR tires that are taller than my stock, and put smooth hub caps on. I'd try to put a manual LSi or XFi trans in but since a large portion of my driving isn't at highway speed I don't know if I want to go that route yet.
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Offthehook900
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epurvee
Oct 20 2010, 01:10 PM
I am planning on upgrading to 15" rims with LRR tires that are taller than my stock, and put smooth hub caps on.
I like the sound of that! If you really wanted you could go all the way up to a 16" rim. I currently have 205 45 r16 on my car and it fits very nicely on the car.

What are you hoping to get mpg wise?
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