1999 Camry Timing Belt Replacement

[jd84]

Hello,

New to the forums and had a question about timing belt replacement. Me and my father have the belt on, but still think the the timing is off. I was wondering if anyone had any high resolution pictures of the timing marks on both the crankshaft and camshaft. I have a haynes manual, but we couldn't find a pic of what to look for as far as marks. Car will not start, but do have spark. Any help is appreciated. Thanks!

[jd84]

This is a 4 cylinder engine by the way.

[71Corolla]

DIY: GEN3 Timing Belt + Waterpump + Oil Seal Change - Part 2

[jd84]

Thanks alot! We did have them right it seems. We lined up the crankshaft to the 0 on the cover. Then lined up the cam with the hole. Any ideas why it still wont crank?

[dc_98_cam]

One more thing to check, if you have everything lined up, as in the picture above, is any noticeable slack in the belt. Slack will be obvious, probably on the lower side between the cam pulley and the crankshaft. Just retract the tensioner and shift the belt teeth one or two places ... until the topside and bottom-side of the belt have little or no slack.

Check your alignments one more time ...
This is a seemingly minor detail, but I think it makes a difference in your engine performance.

... Not too sure why it won't start ... are you sure that you have the correct mark on the cam shaft in line with the cam sprocket hole?

[ajkalian]

Be sure you line up the hole in the camshaft, with the right hole, not the dimple. You can see the one whole through the hole in the camshaft, but if you look at the far right edge of the mirror, about in the middle, you will see a dimple. If you line this dimple up with the hole in the camshaft, the timing will be incorrect. Make sure that your's looks exactly like the picture.

Edit:

If the above seems a bit confusing, then refer to the photo below.




.

[dc_98_cam]

^+1

[jd84]

Originally Posted by ajkalian

Be sure you line up the hole in the camshaft, with the right hole, not the dimple. You can see the one whole through the hole in the camshaft, but if you look at the far right edge of the mirror, about in the middle, you will see a dimple. If you line this dimple up with the hole in the camshaft, the timing will be incorrect. Make sure that your's looks exactly like the picture.

Edit:

If the above seems a bit confusing, then refer to the photo below.




.

We were using that marker at first, but then realized we needed to be using the other one. Even used a screwdriver with a pick end to go through to make sure it lined up behind. We ended up not being able to find the markings for the crankshaft so we had to put the cover back on and line it up with the numbers on the cover.

[Stillrunning]

Originally Posted by jd84

Any ideas why it still wont crank?

Once the marks were lined up you were supposed to rotate crank at least two revolutions and re-check alignment of marks. Double check your work by making sure the marks line up on TDC Compression. If you have a timing light you can also check spark timing while cranking to confirm cam/crank alignment.

[jd84]

Thanks for all of the info so far. I believe we did the 2 revolutions to check the alignment marks again. One thing we did wrong at first was not hooking up the cam shaft sensor and ground wire. Once we hooked that up we were getting spark, but still not firing. Do you all think the timing is still off? Or could it be something small that we are still overlooking? I really appreciate all of the feedback so far.

[Stillrunning]

Originally Posted by jd84

Once we hooked that up we were getting spark, but still not firing. Do you all think the timing is still off?

Spark not on compression stroke will not start engine. Are you getting fuel?
Spark, Compression, Timing, Air, Fuel - you need all.