Last post on Nov 07, 2013 at 8:24 AM
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Chevrolet Tracker, Chevrolet, SUV
#131 of 521 Vibration on Direct on my Tracker 99
Apr 20, 2007 (7:32 am)
I have a Chevrolet Tracker 1999 and a couple of months ago I started to feel a vibration while I have it in Direct, when it is on Parking or Neutral, everything is ok, only at Direct is when is felt. Also the RPMs decrease a lot at Parking and Neutral, at those they are at about 300 RPMs, while in Direct the remain at 500 RPMs...
Any ideas? Thanks in advance and have an excellent day!!!
#132 of 521 Knocking
Apr 30, 2007 (12:08 pm)
I have a 95 4X4 Geo Tracker w/ 1.6 vin #6. 83K miles I have a “knock” or “click” in the top end. I was sure that it was in the valve train but after two days of adjusting, looking and listening with the valve cover on and off I can not even locate to source of the knock. Pulled the plug wires one at a time too check wrist pin, still knocks. Compression check was good, no skip, runs great, good mileage. I’m “Stumped”! Any one got any ideas?
#133 of 521 Re: Knocking [seck]
May 01, 2007 (10:41 am)
You might want to check the timing chains. (A little work, pulling trhe radiator and the front cover, ... you may want to inquire on the exact procedure from an expert before doing it.)
Mine was worn and was hitting the side of the case, making a knocking sound at idle/low speeds. (I couldn't ever figure out where it was coming from until after it broke!)
There are two chains, a lower, long one goes from the crank shaft to the idler gear, just bleow the cams. Another chain goes around the cam gears and around the idler gear/tensioner.
On mine(2001), the lower chain was worn, making the noise, but the top chain broke and wiped out the cam gears/tensioner with it.
I think the manual suggests you change out the chains at the 100,000 mile maintenace.
(My 2001 lasted to 207,000 miles, but bent all the valves, broke the gears, tensioner and the top chain!
I just had a used, low miles engine, out of a wrecking yard, installed. So far, so good!)
Hope this helps,
#134 of 521 Re: Knocking [snichol]
May 01, 2007 (12:51 pm)
Thanks for responding Sam. I can understand what you are saying about the chain "slapping", I had a Toyota with two chains and did that. However, the engine in my Tracker has a belt. If you hear of anything else I'm sure in the listening mode.
#135 of 521 Re: Vibration on Direct on my Tracker 99 [hudhwk]
May 10, 2007 (7:16 am)
I have the same problem with my Tracker, My dealer replace the IAC and nothig change. The original RPM was 800 but now are around 300 and the advance at start the march is very very low, also the gas consumption is low but also the speed up is poor.
Do you receive any sugestion?
#136 of 521 Re: a/c problem [arkainzeye]
Jun 10, 2007 (5:17 am)
Chris, My daughter n law just purchased a '99 tracker and the A/C compressor was locked up. We purchased another compressor and recharged the system. It was working great. In between errands she noticed that the unit was no longer cooling. We found that athe compressor was running all the time and freezing up the evaporator. Any ideas on the switch or the relay?
#137 of 521 Does the timing belt on my 03 Chevy Tracker require replacement?
Jun 26, 2007 (1:15 pm)
I have 57K miles on the 2.0 4-banger. I never heard of one not requiring it, but the manual doesn't say so--not even dead solid certain I have a timing belt! It does call for replacement of an "engine accessory drive belt" at 120K. Is that the same thing? That sounds like lots of miles--I plan to give the car to my daughter when she gets her license in about a year; want to do what's necessary, but not what isn't.
#138 of 521 Re: a/c problem [arkainzeye]
Jun 27, 2007 (6:17 am)
Hey had the same problem bump the fuse to a 30amp...should fix it ......
#139 of 521 Re: Does the timing belt on my 03 Chevy Tracker require replacement? [wme1221]
Jun 27, 2007 (8:06 am)
Just talking from my experience ...
The "engine accessory drive belt" is the External belt on the engine that drives the A/C compressor, alternator and the the power steering/brake pumps.
It should be checked for cracks/wear and changed if it's not in good shape. (Can leave you stranded out on the road if it breaks!)
The timing belt I talked about is inside the engine (internal)and runs from the crankshaft up to drive the camshafts and thus synchronizes the timing.
These are actually chains, like a bicycle chain, only much heaverier duty. There is two chains, the lower one from the crank to the cam gears; then one that connects the cam gears to the other chain's gear.
On my 2001 2.0 L engine, it broke at 207,000 miles.
But, don't let it go until it breaks!
It bent all the valves in the engine when it broke because it was out of sync when the pistons came up to close. There is no room in the cylinder to clear the valves at top dead center.
I found a low miles used engine in a junk yard and am back on the road again (213,000 + and climbing!)
On the A/C... my compressor broke and locked up. (Ran low on freon/oil without any warning. Without oil, it breaks!)
I replaced the compressor. It ran for awhile, then the expansion valve stopped working.
Long story short.. after a compressor locks up, it puts contaminants throughout the system. If it isn't flushed out thoroughly, it will continue to break down.
I found out the hard way, mine is still broken ... can't afford to replace the compressor again at $750 a shot!
On the electric window problem... where are the fuses located for the windows?
I have the right rear window not working and I'm not sure where to look for the fuses?
Hope this is of some help.
#140 of 521 Service Engine Soon Light
Jul 02, 2007 (6:23 pm)
Service Engine Soon light has been on a week now. Autozone got a PCM code of P0430. They say it points to "catalyt efficiency low - bank #2"
They wanted to sell me 2 oxygen sensors, but I'm not sure about that. TWO QUESTIONS:
1. Has anyone dealt with this situation?
2. Can you visually examine the O2 sensor for damage, or is it all internal, and if so, where are they located?