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Comments
Easier if you have the rear high enough up as on ramps cause just jack stands is kind of low. Enjoy.
Haynes is outdated as always on 98up but says to disconnect the filler and drop till access to top. See if there are disconnects from the metal lines on the frame to the tank while the tank is installed (where changes from metal to flex).
Anyone done a 2 Door gas tank out there???
1. all four (upper, lower, right and left) ball joints replaced (2002-2003), fixed by new car and extended warranty
2. idler arm replaced (2002), fixed by new car warranty
3. multi function switch replaced (2004), fixed by extended warranty
4. lower intake manifold gasket replaced (2006), fixed by extended warranty
5. heater core replaced (2006), fixed by extended warranty
6. serpentine belt replaced twice (2004 and 2005), own expense
7. driver-side front door hinge being loose (not fixed yet)
Since the replacement parts were supposedly of the identical quality of the original parts, I expect that the same problems will recur in the similar intervals in the next several years. As my extended warranty expires in October, 2006, the recurring problems above alone would cost me about $2500.
Blazer's many common problems seem to have happened already and were fixed in my vehicle by now. When the next cycle of troubles begins, I would have to trade in this Blazer for something more reliable. I wish Blazers had more reliability, as I like my Blazer very much and wish to keep it longer.
The brakes and rotors have been replaced. and the clicking sound it under the dash when the GMC is moving or parked. While moving it is clicking but when you apply the brakes the clicking under the dash stops. Could this be that my ABS control module is having a problem?
Thanks for the help
Assume this has new plugs/cap/rotor/wires/fuel and air filters/pcv and then you replaced the MAF sensor already (can spray clean with electronic/brake/MAF cleaner - not carb cleaner due to residue).
Has the lower intake gasket been done - always leak so if the coolant reservior is dropping thats probably why - if water pump isn't leaking out the small holes but thats also probably new by now.
ABS sensor in each front wheel hub and on 4wd in transfer case and 2wd in transmission. Get it scanned for codes (special scanner) and then you will know why. If you are spinning the rear wheels alot miscompares can occur but should clear on restart of engine and PCM (computer).
WARNING TO ALL BLAZER OWNERS:
AVOID THE CHEAPO BALL JOINTS LIKE THE PLAGUE!! The seals on these are worthless. Trust me on this - learned the hard way to buy the good ones - "Lifetime Warranty" means they might last long enough to get on your ride. Also, try not to get too much grease in those Urethane aftermarket Tie-rod end dust boots - they tend to burst.
Thanks again - you guys (and gals) are life savers!
God Bless,
Michael
I have a 97 Jimmy which is in pretty good shape. Don't have many problems until recently. I cannot turn the key in the ignition. Sometimes it will not turn and I will have to flip the key around and try it several times before it finally budges. When it finally gets "unstuck" it starts right up. Could this be a problem with my key or something more? :confuse:
Second, the lower intake manifold gaskets on 96up (lucky you again) always leak around 80-100k miles and if the coolant is dropping slowly (watch the reservior) water leaks into the valley on the lifters and often the noise is the first sign - you will not see any water in the oil cause it evaporates or burns off but does effect the lifters and later cam bearings, then the mains so look at that too.
God Bless
In the past when the water stayed in the front half of the ceiling, the mechanic put the air pump for inflating tires from the sunroof, and tried to blow the draining holes at the front corners above A-pillars. How would the rear draining holes be cleaned? The rear draining holes seems to be too far away from the sunroof. Do they have to remove the inside roof panel to reach the rear draining holes?
No pump under the radiator on mine. There is an air hose that enters the driver's side exahaust manifold at the back of the engine. The hose goes from there to a flange the front of the the intake manifold (near the water neck). No leaks on it. Also, the sound continues well after a minute of starting the vehicle. Actually seems to slowly get louder the longer it runs.
Next up, the lower intake manifold gaskets. I am going to go ahead and replace it. If it's not a problem already it sounds like it soon will be. Might at as well swap it out while I have things apart. Water level has been slowly going down so this one has some potential.
QUESTION:
Should I go ahead and replace the lifters, pushrods, other, while in there? Also, what wear/damage should I look for as an indication of what's causing the noise?
God Bless,
Michael
As for the damage, when you pull the lower intake the valley will probably be a dark orange from the dex cool and that will be the proof of the internal leaking. As for lifters and damage, on my 4 Blazers that I had this leak on and replaced the gaskets, I cleaned the valley out and poured oil over the lifters and cam area, then put new oil (high milegae type with the additives) and filter in, ran it and changed after 500 miles, replaced agiain and no noises. On one it took about 1000 miles before the lifters were totally noise free at startup. Your idea to change the lifters is the best way to avoid another intake removal and I looked at rockauto online and they were $9 each (x12). Beware of many posts on the correct torque because for 96 up with the spider type injection its 11 ft lbs final torque - NOT 35 as some post (thats for the older manifold style).
God Bless,
Michael
Was there (and is there still) a lower intake manifold leak with the coolant dropping in the reservior? If its been going on for some time you may have internal engine problems (might).
God Bless,
Michael
I have the every same problem with my 91, however the panel stayes lite until I put the parking lites and or the headlites on. Then the only thing (unless it is dark) I can see is the oil pressure waring light blinking as the sending unit is shot and I have to replace it. Where you able to find a fix or did you have it repaired?
Thanks, have a great day.
Tim, MA
God Bless,
Michael
I was just wondering if your blazer solution is still working.
I have a 2000 blazer that stops for no apparent reason. I've replaced oxygen sensors and fuel pump. It will run fine for a week or so and then it just stops. It doesn't seem to matter whether I'm at a light or driving down the highway. I have seen my security light go on sometimes but most of the time it's off. After about 10 minutes the blazer starts just as if nothing was wrong.
Hope you can help.
Thanks,
Dick
Subject: Security lamp illuminated on the IP, engine stalls, no start, DTC B2960
This is the due to incorrect Passlock sensor voltage (intermittent) received by the body control module.
Bottom line, take it to the dealer 0.9 hour to fix with a scanner and there are 4 pages of procedures on connectors etc so save yourself the headache without the tools.
They have done these and its probably around $100 well spent!