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CAM Gear Setting

Tiny
DANCHAPPELL
  • MEMBER
  • 1997 GEO TRACKER
  • 4 CYL
  • 4WD
  • AUTOMATIC
1997 Geo Tracker with 1.6 liter blew a head gasket. Took head in for repair and to be checked. They removed the Cam gear which needs to be put back on. On the gear there is an E and I for aligning the gear on the cam. Everything we've read says E for the dowel and E for the timing mark. When we set it this way, with it at top dead center, 1 and 7 should be adjusted. 7 is on the high side of the cam. It can't be adjusted. What are we doing wrong?
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Tuesday, November 23rd, 2010 AT 1:46 AM

17 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Cam mark on 16 valve is 180 out, when aligning timing belt marks as shown dist will point at cyl #4. You have to set the timing belt then turn the crank shaft one full turn and then set the distributor.
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Saturday, May 4th, 2019 AT 4:59 PM
Tiny
FROGJAW
  • MEMBER
  • 1 POST
  • 1997 GEO TRACKER
1997 Geo Tracker

What is the cam to crank timing on a 1997 geo tracker with a 1.6 16 valve?
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Tuesday, July 7th, 2020 AT 1:03 PM (Merged)
Tiny
JNOVACK
  • MECHANIC
  • 723 POSTS
Here are the timing marks


https://www.2carpros.com/forum/automotive_pictures/52960_3_1.jpg




https://www.2carpros.com/forum/automotive_pictures/52960_2_2.jpg




https://www.2carpros.com/forum/automotive_pictures/52960_4_1.jpg

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Tuesday, July 7th, 2020 AT 1:03 PM (Merged)
Tiny
PRUDEN_MARK
  • MEMBER
  • 15 POSTS
  • 1996 GEO TRACKER
  • 165,000 MILES
On 96 geo tracker. 1.6 L 16 valve, single overhead cam, I removed cam pulley, need to re-install to cam. Do I put cam pulley on I or E?
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
There should be only one way the gear goes as it should set on a key on the cam.

Roy
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
PRUDEN_MARK
  • MEMBER
  • 15 POSTS
There are actually two slotted keyhole marks on this cam - one has an I next to it, one has an E
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The I is for intake and the E is for Exhaust. It is a reference for which stroke the engine is on at that top mark. The compression stroke is the I and overlap is the E.

Roy

See the diagram below for timing marks for your engine
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
PRUDEN_MARK
  • MEMBER
  • 15 POSTS
They each have a notch, though, both exactly the same and will fit on either way, but in an effort not to ruin the engine. Trying to find which notch the pin should go on to the cam pulley to the cam
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
PRUDEN_MARK
  • MEMBER
  • 15 POSTS
Here is a pic of the cam pulley.
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You have to determine the position of the cam, whether it is on compression or valve over lap. You need someone familiar with camshafts, after you remove the valve cover, to tell you which stroke it is on.

Roy
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
PRUDEN_MARK
  • MEMBER
  • 15 POSTS
The pin on the cam is on the same spot on every cam so that means that the cam pully will be in the same spot on every one of this motors im asking witch pin hole does it go in it has to be in the same one on every one of this motors I sent pic please look at it
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Once again, the notch on the gear for the timing marks are not 180 apart. If you use the worng one, you will time the motor wrong and if it is an interference motor, you could bend valves. The position of the cam must be at tdc compression and the mark should be straight up. I mean the notch on the gear by the teeth.

Roy
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
PRUDEN_MARK
  • MEMBER
  • 15 POSTS
Im not looking to put timming belt on im looking to install cam pully to cam sorry for ur incovienence
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Not inconvience. Trying to make sure you put it on correctly so the car runs good and not cause other issues.

Roy
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Tuesday, July 7th, 2020 AT 1:04 PM (Merged)
Tiny
TRACK
  • MEMBER
  • 1 POST
  • 1992 GEO TRACKER
  • 82,500 MILES
What has to be removed to replace the seal behind the lower timing belt pulley on a 1992 GEO Tracker. Diagram would be very helpful.
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Tuesday, July 7th, 2020 AT 1:05 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This doesn't show everything, but the blet and cover plus there is a pulley at the bottom where the belt goes around in the first pic an dall the stuff with arrows in second pic. Then the cam has to be retimed.
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Tuesday, July 7th, 2020 AT 1:05 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That is the Crankshaft and that is the oil pump behind the Crank gear. You'll likely be replacing the whole oil pump and it's no simple job. One mistake with the timing belt will cause you to bend all the valves so I don't suggest to attempt it yourself.
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Tuesday, July 7th, 2020 AT 1:05 PM (Merged)

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