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It looks like my timing belt slipped at some point. Do I realign and move on?
It looks like my timing belt slipped 3 teeth to the right at some point. When I align the valve sprockets up the crankshaft is 3 teeth to the left of Top Dead Center. The car was running perfectly when I last ran it, so I doubt it's been like this forever. I think it might have happened when I was trying to remove the crank bolt.
Regardless of how it happened, I should just remove the belt, align the three timing marks, and replace the belt, right? There isn't anything else I need to look for at this point is there? |
#2
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Cam seals, cam plugs, front main seal, remove the oil pump and tighten the screws on the back,
while you are down there...
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www.svxfiles.com The first SuperCharged SVX, the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway Fiberglass Hood thread My locker 4.44 Swap link |
#3
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Certainly... I'm in the thick of doing all that as well. About the only thing that has not gone as planned is this timing issue. All I'm really asking is if I need to do anything with the engine timing wise besides put the camshaft pulley's and the crank shaft back on mark and finish with my job.
In other words, is the fact that it's off by 3 teeth an issue, or do I simply reset it and carry on? Thanks. Clarke |
#4
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Line everything up and move on. Technically the EG33 is interference, but for damage to occur the internal cam gears would have to slip, a slipping belt will cause no damage.
Also while your in there make sure that there is no damage to the keyway on the crank pulley or either cam pulley.
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Dave - 03 Baja - 92 SVX - 86 Brat - 08 OB 3.0 |
#5
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
OK, so the crank shaft pully and the left camshaft is still in perfect alignment, but the right camshaft is off by about 30 degrees or so. It is about 30 degrees clockwise as facing the engine. It's very difficult to turn by hand, is this something I should worry about, or should I just use the socket wrench and spin it back into place? If so, does it matter if I turn clockwise or counter-clockwise? Thanks.
Clarke |
#6
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
This happened to me when I was doing my timing. It jumped one tooth on the crank. I just dropped a pulley off to relieve tension of the belt, then I dropped the tensioner, re-compressed it, and redid the timing. PITA, but it must be perfect, and I didn't even consider spinning the sprocket with the belt on it (doesn't sound like a good idea at all to me).
__________________
Cam '92 Ls-L Dark Teal 11:1 CR ECUTUNE pistons ECUTUNE .256 duration intake/exhaust cams ECUTUNE STAGE 2AV1 ECU Z32 MAF/SR20DET injectors Balanced & Blueprinted |
#7
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Quote:
(or crankshaft if necessary) CLOCKWISE with a ratchet into the correct position before reinstalling the new belt.
__________________
www.svxfiles.com The first SuperCharged SVX, the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway Fiberglass Hood thread My locker 4.44 Swap link |
#8
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Thanks, I should have mentioned that the belt is NOT on the car yet, I was just lining it up before I put the belt on. I was just wondering how it was so far off, and which direction I should turn the pulley.
Sorry to be so paranoid, I just want to make sure I'm not doing anything wrong. Depending on the weather, I plan on putting this back together tonight. |
#9
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Quote:
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1992 LSL ebony pearl 170k - Thank you Ron Mummert Reading Box of Wine Car ----------------------------------- 1992 SVX LSL 5-Speed Sold at 180K 2019 1995 SVX Lsi Polo Sold at 118K 2007 |
#10
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
You are not really paranoid if they are really out to get you!
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www.svxfiles.com The first SuperCharged SVX, the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway Fiberglass Hood thread My locker 4.44 Swap link |
#11
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
.....fixed
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Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. |
#12
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
OK, so I got everything back in and lined up perfectly. The belt marks are dead on, the notches all line up correctly.. I'm pretty pleased. I did have one quick question though...
When I was turning the camshaft CLOCKWISE, every 1/3 turn or so it would spin forward a bit. It was almost like it was a spring or something... Now that I just typed it, I think I understand what was happening. As I turned the camshaft, I was compressing certain valves. Once I passed over the TDC of the cam lobe the valve spring would take over and push it the rest of the way around. Does that sound right? |
#13
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Quote:
__________________
Cam '92 Ls-L Dark Teal 11:1 CR ECUTUNE pistons ECUTUNE .256 duration intake/exhaust cams ECUTUNE STAGE 2AV1 ECU Z32 MAF/SR20DET injectors Balanced & Blueprinted |
#14
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
Excellent, I now fell 100% positive that I've done this correctly. What a great feeling.
My next hurdle will be the crankshaft pulley... Hopefully I can figure that one out pretty quickly. I think I'm going to have a friend help me and do the prybar on the flexplate method before I go to the trouble of making a tool that I will use one time. We'll see what happens! Clarke |
#15
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Re: It looks like my timing belt slipped at some point. Do I realign and move on?
I used an old accessory belt. Cut it and put it on a pipe wrench and used it as a strap wrench on the pulley to tighten it.
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'92 SVX LS Pearl White - 6mt |
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