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Geo Metro Engine Problems

208 messages,  Last post on Nov 23, 2009 at 7:24 AM

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#185 of 208 Re: timing gear [jrill] by zaken1 Jul 23, 2009 (1:40 pm)
Replying to: jrill (Jul 22, 2009 6:20 pm) Both the crankshaft timing belt sprocket and the camshaft timing belt sprocket (which are located underneath the timing cover) on the 1990 Metro 1.0 3 cyl engine are attached with just one bolt. But the crankshaft pulley for the fan, water pump, and alternator belt is attached with 4 bolts. So it sounds like you are referring to that pulley; rather than the timing sprocket. The number of bolts used on the pulley for the 1.0 liter 3 cyl engine may be different from those on the pulley for the 1.3 liter 4 cyl engine. So you may have been ordering the wrong pulley; or the clerk may have misunderstood your engine information.   But if you have been ordering a pulley for the correct engine; my experience with these apparently incompatible part situations is that they frequently happen when Suzuki engines are used to replace Geo engines. Suzuki (who designed and built the Geo Metro for GM) also sold a very similar, but not identical car called the Suzuki Swift. The Swift was produced with several different engines which might have been installed as a replacement in your car. These were the G13B, which is an 8 valve, SOHC, 1.3 liter 4; that was used in Swifts from 1989-2001. The G13A was an engine of the same description that was used in Swifts from 1989-1997. There was also an SF310, which was a 1.0 liter 4, used in Swifts from 1990-1994. And there was an SJ413; which was a 1.3 liter 4 used in a car called the SJ413 in 1985. Those would be the most likely engines to have been transplanted into your Metro.    Suzuki also made a car called the Forsa from 1985-1988, with an SA310 motor that was a 1.0 liter 4.   Both Suzuki and Chevy dealers have exploded parts diagrams on microfiche, or on computer; which should include an image of the fan belt pulley for each model engine; that would show how many bolt holes it has. So you may have to personally go to the parts departments at those dealerships; in order to look at the microfiches. You could also make a trip to a local auto wrecker who has a 4 cylinder Geo or Chevy Metro to look at the pulley. It may be that the pulley used on engines with power steering or air conditioning has more bolt holes than the one used on cars without those accessories. And even if your engine does not have those accessories; they may have been on the car that the engine came from. Replies to this message: jrill (Jul 27, 2009 8:18 am)
#186 of 208 Re: timing gear [zaken1] by jrill Jul 27, 2009 (8:18 am)
Replying to: zaken1 (Jul 23, 2009 1:40 pm) Thanks for the info. After several trips and phone calls I found a pulley at the dealer for a 96 Geo, the only diff. is that it has spokes on the back of the pulley for the crank sensor, my Eng. has a distributor and no sensor. After reading your info I looked over the engine and found a casting tag on the end of the head by the bell housing, It reads [G 13 B]. so it seams that I may have a swift engine. As far as the year of the engine I still have no clue. But all things said, at least I got the little thing going and it is running good again. Again, thanks for the info and help.
#187 of 208 P0335 by juddernaut Jul 30, 2009 (9:24 am)
A few days ago my 98 Chevy Metro LSi 1.3l 4cyl 250k miles, drove fine to work but when I got off and tried to start it, it would run real rough and stall after a few minutes. After a few more starts it would seem a few minutes turned into 5-10 seconds, now it does not turn over. I borrowed a ODB II sensor from a friend and it read a P0335 code (crank position A circuit malfunction) so the next day I bought a new sensor and installed it, made sure the the teeth inside were fine. Everything seemed good so I crossed my fingers and went to start it.... With it having the same issue with no code due to dissconnecting the battery. Now I cant get it to run at idle to produce a new code. Spark plugs/wires are fairly new(I have spark), timing belt seemed fine, I know I have fuel in the tank, checked the fuses under the hood and under the dash. Any ideas what im looking for now? I have a feeling it has something to do with fuel delivery? Any help would be A+ in my book right now. Replies to this message: zaken1 (Aug 03, 2009 2:46 am) juddernaut (Aug 03, 2009 8:14 am)
#188 of 208 Re: P0335 [juddernaut] by zaken1 Aug 03, 2009 (2:46 am)
Replying to: juddernaut (Jul 30, 2009 9:24 am) This sounds to me like your timing belt has jumped out of position; but it looks fine because it is still physically intact. You can check this by turning the engine until the timing mark on the crankshaft pulley lines up with the 5 degree mark on the scale on the timing cover. Then remove the distributor cap and see where the tip of the rotor is pointing. The rotor should point DIRECTLY to either the cap terminal for the plug wire to number 1 cylinder or the wire to number 4 cylinder. If it points anywhere else; the timing belt has jumped, and must be replaced. Replies to this message: juddernaut (Aug 03, 2009 8:14 am)
#189 of 208 Re: P0335 [zaken1] by juddernaut Aug 03, 2009 (8:14 am)
Replying to: zaken1 (Aug 03, 2009 2:46 am) Well my dad said he checked the timing belt after I changed the crankshaft sensor but I will give it another look today when I get off work. Will update when I check it. Thank you zaken1 for replying.
#191 of 208 vacume and emmisions by joehu Aug 09, 2009 (5:47 pm)
Does anybody have a full diagram of the vacume and emmision hoses to a 1991 geo metro or maybe pictures of them within the engine compartment. I can't find any, even in repair manuals.
#192 of 208 1993 Geo Metro Convertible by rjcuraj Aug 17, 2009 (5:16 am)
Hello to all,     I am new to this commmunity. I am looking at 1993 Geo Metro Convertible. I have never owner a Metro before but I like this car and the asking price is $1000. I would like to know what can I expect from a Metro? This on has had a new head gasket installed. I noticed the inside of the tail pipe is wet with what appears to be dirty oil. I am told it does run. And only needs some cosmestic issues repaired. I am will be going to check it tonight and will learn more when I start it up. I would be taking to my mechanic to have the compression checked, brakes, exhaust system and the electrical.  Any thought on what else to look for would be appreciated. $1000. Seems to be a very good price?? Peace Rick Replies to this message: zaken1 (Aug 17, 2009 10:20 pm)
#193 of 208 Re: 1993 Geo Metro Convertible [rjcuraj] by zaken1 Aug 17, 2009 (10:20 pm)
Replying to: rjcuraj (Aug 17, 2009 5:16 am) If the head gasket was replaced without having a machine shop check the head to see if it was cracked or warped when the motor overheated; then there still may be coolant leaking into the cylinders. And that could be why the exhaust pipe is wet. (But it is also normal for the exhaust pipe to become wet when the engine is first started. However, it should dry out after a few miles of driving). So it would be a good idea to pressure check the cooling system; including seeing whether it holds pressure when the motor is running. It would also be a good idea to check whether the electric radiator fan comes on when the coolant temperature goes more than 3/4 of the way up on the gauge. The fan relay often goes out on those cars; which will lead to overheating and potential engine damage. And if you live in a state which requires an emission inspection on change of ownership; that emission test will tell you a lot about the condition of the engine. Incidentally, here in California, it is the seller's responsibility to pay for the smog test, and to make sure the car passes.   Some of the other things that could be a problem on such a car are the amount of life left in the battery, the amount of wear left in the brakes, the condition of the tires, whether the clutch is slipping or needs adjustment, how much oil the car uses between changes (or whether the oil was even changed regularly). If the motor is in good condition, I would find out what brand and weight of oil the owner was using, and would make an effort to continue using the same oil brand and type. This can make a substantial difference in the length of the engine life.   Also; many mechanics consider compression good if it is similar in all the cylinders. But on the Metro, it also has to be AT LEAST 170 psi in all cylinders.(Normal compression on that motor is 195 psi).   The kind of service you'll get from such a car will depend greatly on its mechanical condition; and on the quality of maintenance and repair it has been given. Metro engines are extremely responsive to the way they are maintained. Neglect, abuse, or misadjust them; and they will fall apart. Keep them well tuned, treat them with respect; and they will be astonishingly trouble free and economical. If you get less than 38 mpg in city driving; or less than 50 mpg on long highway trips; the engine is not running right. But those figures are for a car with a 5 speed transmission. Metros with an automatic will get about 10 mpg less than those with a stick shift.
#194 of 208 check engine, wheres the OBD 1 connection? by drewkohls Aug 20, 2009 (2:16 pm)
I have an 89 metro 3 cyl 5 speed and i rebuild the head and replaced the burnt valve and cleaned everything right up. the cylinder walls looked exceptional but the rings r bad. I only getting 145 psi give or take a few on all 3 cylinders. I know they need replaced. So since it is still summer and hot in indiana i stopped my excessive oil consumption by puttin some stp in the oil and whatever else it lost after i put in some 10w40 and it stopped burning oil. Now I know that it's not the greatest for these engines but i currently dont have the cash flow to rebuild it. Now getting further to my question, after i rebuilt the head, i ran a couple tanks through the car and then had to leave for maine for a month and i parked the car at my grandmothers house. I am certain that no one messed with anything on the car while i was away, but now the check engine light comes on periodically, and it only seems to be when im at slower speeds or downshifting to slow down. I am thinking a bad sensor because the car doesnt seem to run anydifferent when the light comes on. Where is the OBD 1 plug for these cars. i have the key for reading it but i do not know where to stick it. When i rebuild it i was going to replace most of the sensors but for the time being i want to make sure the car will make it until then. thanks to all Replies to this message: zaken1 (Aug 21, 2009 11:42 am) drewkohls (Aug 23, 2009 4:52 pm)

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