 finally doing timing belt on the GSX |
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 Mar 21 2007, 11:51 PM
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#1
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 Eats and sleeps DSM jargin.  Group: Members Posts: 1,985 Joined: 30-June 03 From: Peoria, IL Member No.: 150  |
Hey guys....
I am finally doing the timing belt on my '93 GSX... the car currenty has 108K on the clock, about 48K on the old belt, but now over 6 years (and hard years at that) I am prepping the car for the up coming race season and don't want to take the chance on the belt going south. ordered and received the greddy kevlar belt, OEM tensioner, and new water pump. looks like I have a few hours to spend under the hood of the ol beast this weekend..... I know that Vfaq has the procedure and so does my service manual, but does anyone have any real world advice to add before I dive into this one head first???? -------------------- You CAN sleep in your car, but your CAN NOT race your house!!!
------------------------------------------------------- Double Decker spoilers are uber ricerlicious!!!!  |
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Mar 22 2007, 06:40 AM
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#2
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DSMCentral Godfather Group: Admin Posts: 3,823 Joined: 10-January 01 From: Washburn Member No.: 26 |
Allow plenty of time. Take your time. And don't be afraid to yank the belt off and start over if you're not happy with the line-up or tension.
-------------------- In Loving memory of David T Crebo
Greatness comes from the most unexpected places!  |
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Mar 22 2007, 04:14 PM
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#3
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
Get a timing alignment tool or borrow one if you can. Make sure to spin the crank over a couple times (I can't remember how many, Rob would know) and make sure that the cam gears are still in time. Get a friend to help, it's about a three or four handed job if you don't have an alignment tool.
-------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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Mar 22 2007, 04:38 PM
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#4
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DSMCentral Godfather Group: Admin Posts: 3,823 Joined: 10-January 01 From: Washburn Member No.: 26 |
BAH... I don't need no stinking alignment tool!
 And it is six times that you rotate the crank to make sure everything is still lined up. The biggest mistake most make is not phasing the oil pump sprocket correctly if you are still running balance shafts. -------------------- In Loving memory of David T Crebo
Greatness comes from the most unexpected places! |
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Mar 22 2007, 06:43 PM
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#5
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 Post Master Group: Members Posts: 908 Joined: 7-October 03 From: Chillicothe, IL Member No.: 182 |
QUOTE (awd4kicks @ Mar 22 2007, 04:38 PM) BAH... I don't need no stinking alignment tool! And it is six times that you rotate the crank to make sure everything is still lined up. The biggest mistake most make is not phasing the oil pump sprocket correctly if you are still running balance shafts. That'll make for a bumpy ride 
-------------------- GVR4 866/1000 = the perpetually broken car
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Mar 22 2007, 08:30 PM
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#6
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Eats and sleeps DSM jargin. Group: Members Posts: 1,985 Joined: 30-June 03 From: Peoria, IL Member No.: 150 |
QUOTE (Spyonu2007 @ Mar 22 2007, 07:39 PM) Its been six years since I had that belt changed? Man, how the time flys. yes sir..... it was six years ago. thanks guys for all of your help.... I have a freind coming over and he does have all of the alignment tolls and such and he has done several belts... just thought I would check with you all as well. -------------------- You CAN sleep in your car, but your CAN NOT race your house!!!
------------------------------------------------------- Double Decker spoilers are uber ricerlicious!!!! |
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Mar 24 2007, 06:31 AM
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#7
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 Post Master Group: Members Posts: 780 Joined: 14-July 04 Member No.: 338 |
QUOTE (ncgalant @ Mar 22 2007, 06:43 PM) QUOTE (awd4kicks @ Mar 22 2007, 04:38 PM) BAH... I don't need no stinking alignment tool! And it is six times that you rotate the crank to make sure everything is still lined up. The biggest mistake most make is not phasing the oil pump sprocket correctly if you are still running balance shafts. That'll make for a bumpy ride And difficulty revving past 3k, and possibly a grenaded crank pully. Not that this ever happened to me after some piece of crap nameless mechanic did a belt job on my 90 laser. Just a theory.  Edit: Rob, this isn't you, buddy!!!
-------------------- QUOTE (gsxracer80 @ Oct 31 2006, 12:41 AM)
thanks hcar.... I am still massaging that area trying to get it ready...  |
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Mar 25 2007, 09:06 PM
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#8
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Eats and sleeps DSM jargin. Group: Members Posts: 1,985 Joined: 30-June 03 From: Peoria, IL Member No.: 150 |
timing belt install was a complete success....
the motor barred over about 10 full Revolutions with-out any signs of problems.... the next step is getting the fuel system and ignition re-installed, not to mention some agressive tuning time and it looks to be go-time for the up coming autoX season. BTW... when I pulled my ingectors I found that the guy who installed my injectors double gasketed the thick O ring on the bottom of #4 injector and twisted the O ring on #2.... so some definate logging has to take place to re-tune it on a good injector install..... this explains a lot of my boost leak down. I am also eliminating the EGR and the throttle body coolant lines in this process. -------------------- You CAN sleep in your car, but your CAN NOT race your house!!!
------------------------------------------------------- Double Decker spoilers are uber ricerlicious!!!! |
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Mar 26 2007, 06:17 AM
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#9
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
QUOTE (gsxracer80 @ Mar 25 2007, 09:06 PM) I am also eliminating the EGR and the throttle body coolant lines in this process.  You're still running that crap??!!? LOL
-------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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Mar 26 2007, 12:58 PM
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#10
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Eats and sleeps DSM jargin. Group: Members Posts: 1,985 Joined: 30-June 03 From: Peoria, IL Member No.: 150 |
QUOTE (turbohcar @ Mar 26 2007, 06:17 AM) QUOTE (gsxracer80 @ Mar 25 2007, 09:06 PM) I am also eliminating the EGR and the throttle body coolant lines in this process. You're still running that crap??!!? LOL not any more -------------------- You CAN sleep in your car, but your CAN NOT race your house!!!
------------------------------------------------------- Double Decker spoilers are uber ricerlicious!!!! |
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Mar 26 2007, 01:44 PM
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#11
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 Eats and sleeps DSM jargin. Group: Members Posts: 1,995 Joined: 27-November 04 From: Yates City IL Member No.: 389 |
Does it idle OK without the coolant lines? I thought the FIAV (??) on the throttle body needs engine temp to idle correctly. If I'm off base, please tell me...
-------------------- 92 Eagle Talon TSI AWD "The Black Golfball" How fast can a 14B go???
91 Chevy C1500 "Problem Child" **SOLD** 01 Impala DD 07 Trailblazer Wife's new DD Cars run on blood, sweat, and horsepower... Without the first two, you can't get the last" SOB Racing "Sitting On Blocks" |
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Mar 26 2007, 11:28 PM
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#12
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Eats and sleeps DSM jargin. Group: Members Posts: 1,985 Joined: 30-June 03 From: Peoria, IL Member No.: 150 |
QUOTE (black92_tsi_awd @ Mar 26 2007, 01:44 PM) Does it idle OK without the coolant lines? I thought the FIAV (??) on the throttle body needs engine temp to idle correctly. If I'm off base, please tell me... won't know till the fuel and ignition is hooked back up -------------------- You CAN sleep in your car, but your CAN NOT race your house!!!
------------------------------------------------------- Double Decker spoilers are uber ricerlicious!!!! |
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Mar 27 2007, 06:24 AM
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#13
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
QUOTE (black92_tsi_awd @ Mar 26 2007, 01:44 PM) Does it idle OK without the coolant lines? I thought the FIAV (??) on the throttle body needs engine temp to idle correctly. If I'm off base, please tell me... Mine idled perfect without the coolant lines, EGR, and I eliminated the heater core. I basically just ran took a longer heater core line and bent it back around so that it went straight back into the engine (at the time I thought my heater core was plugged). In no way do I actually reccomend rerouting the heater core lines unless you're eliminating the HVAC all together because although it's minimal, it still acts as a miniature heat exchanger. Just because my car didn't have any idle problems doesn't mean that yours won't though. I would think the way to fix it is an Eprom chip burn. FIAV=IAT? (intake air temperature sensor) -------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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Mar 27 2007, 12:50 PM
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#14
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Eats and sleeps DSM jargin. Group: Members Posts: 1,985 Joined: 30-June 03 From: Peoria, IL Member No.: 150 |
QUOTE (turbohcar @ Mar 27 2007, 06:24 AM) QUOTE (black92_tsi_awd @ Mar 26 2007, 01:44 PM) Does it idle OK without the coolant lines? I thought the FIAV (??) on the throttle body needs engine temp to idle correctly. If I'm off base, please tell me... Mine idled perfect without the coolant lines, EGR, and I eliminated the heater core. I basically just ran took a longer heater core line and bent it back around so that it went straight back into the engine (at the time I thought my heater core was plugged). In no way do I actually reccomend rerouting the heater core lines unless you're eliminating the HVAC all together because although it's minimal, it still acts as a miniature heat exchanger. Just because my car didn't have any idle problems doesn't mean that yours won't though. I would think the way to fix it is an Eprom chip burn. FIAV=IAT? (intake air temperature sensor) I figure that if the coolant lines acted upon the idle it would simply run as though the engine were at ambiant air temp and never warmed up.... and at cold start the engine runs fine, so it shouldn't run any differently with out the coolant lines. -------------------- You CAN sleep in your car, but your CAN NOT race your house!!!
------------------------------------------------------- Double Decker spoilers are uber ricerlicious!!!! |
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Mar 27 2007, 01:26 PM
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#15
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DSM Tech Wizard Group: Members Posts: 2,256 Joined: 10-January 01 From: central IL Member No.: 10 |
QUOTE (turbohcar @ Mar 27 2007, 06:24 AM) QUOTE (black92_tsi_awd @ Mar 26 2007, 01:44 PM) Does it idle OK without the coolant lines? I thought the FIAV (??) on the throttle body needs engine temp to idle correctly. If I'm off base, please tell me... Mine idled perfect without the coolant lines, EGR, and I eliminated the heater core. I basically just ran took a longer heater core line and bent it back around so that it went straight back into the engine (at the time I thought my heater core was plugged). In no way do I actually reccomend rerouting the heater core lines unless you're eliminating the HVAC all together because although it's minimal, it still acts as a miniature heat exchanger. Just because my car didn't have any idle problems doesn't mean that yours won't though. I would think the way to fix it is an Eprom chip burn. FIAV=IAT? (intake air temperature sensor) not quite true... when I put the motor in my car I couldn't get the idle to settle down ( around 2500-3k if I remember right). hooked the tb coolant lines and it ran fine. There is a way around it that I can't think of off the top of my head, but I don't think it's worth it IMHO... no real power gains to be had there. -------------------- The fastest car I own is a minivan....
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Mar 27 2007, 02:23 PM
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#16
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 Zen Master DSM Group: Moderators Posts: 3,008 Joined: 10-January 01 From: in front of you Member No.: 5 |
Basically, your mileage may vary. Some engines have high idle when the tb coolant lines are detached, some not. I for example have not had idle problems after disconnecting the tb coolant lines on any of the DSM's I've owned to date.
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