Notices
86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS
Sponsored by:
Sponsored by: DashLynx

Timing Belt Marks and TDC...

Thread Tools
 
Search this Thread
 
Old 11-28-2009, 12:14 AM
  #1  
Registered User
Thread Starter
 
RetchedOne's Avatar
 
Join Date: Oct 2009
Location: Federal Way, WA
Posts: 30
Likes: 0
Received 0 Likes on 0 Posts
Timing Belt Marks and TDC...

So I'm installing a new long block 3VZE into my 90 4Runner right now...

The FSM, and all the postings I've searched/read say TDC is when you align the mark on the timing belt gear on the crank straight up with the oil pump mark... Correct?

Like this --->


Then I align both cam marks with their marks on the metal backing, all the slack is at the tensioner.

I rotated the motor several dozen times (no joke) and the marks all seem to stay lined up... after 20+ times around, the cam gears always stop on their marks together and the crank is "straight up" when the cam marks are "straight up"

Those damn marks on the timing belt threw me off... I was putting the belt on, and lineing them up... rotate the motor over a few turns... and they were off...

So i came to the (conclusion after reading here) that those marks are just to get you started, and not to be followed past that.

Did i do it right? I really dont want to take it all apart again...


Old 11-28-2009, 12:57 AM
  #2  
Registered User
 
annoyingrob's Avatar
 
Join Date: Aug 2008
Location: Calgary, AB
Posts: 1,068
Likes: 0
Received 4 Likes on 4 Posts
Yeah, the marks on the belt themselves won't be correct after a rotation. They're only there as a starting point when first installing the belt.
Old 11-28-2009, 08:11 AM
  #3  
Registered User
Thread Starter
 
RetchedOne's Avatar
 
Join Date: Oct 2009
Location: Federal Way, WA
Posts: 30
Likes: 0
Received 0 Likes on 0 Posts
great thanks,

And if the timing marks are all lined up with the marks on the motor, I can install the distributor so it's pointing at #1 on the cap correct?
Old 11-28-2009, 09:55 AM
  #4  
Registered User
 
bugs1961's Avatar
 
Join Date: Jul 2006
Location: Anchorage
Posts: 479
Likes: 0
Received 4 Likes on 4 Posts
Line up the crank and cam marks and you will be at TDC of the compression stroke, which is necessary before distributor installation. The FSM has a good description of the installation process in the IG section. Here is a picture of the rotor when the distributor is installed properly: https://www.yotatech.com/forums/f116.../#post51273447
Old 11-29-2009, 05:33 AM
  #5  
Registered User
 
buckz6319's Avatar
 
Join Date: Jul 2008
Location: GA
Posts: 1,062
Likes: 0
Received 0 Likes on 0 Posts
this may help you with your replacement.I did my timing belt replacement over the summer, and took lots of pics with step by step instructions of how I did min., you can scroll down to where you see the timing belt install part......GL
https://www.yotatech.com/forums/f116...s-pics-183911/
Old 11-29-2009, 10:38 AM
  #6  
Registered User
Thread Starter
 
RetchedOne's Avatar
 
Join Date: Oct 2009
Location: Federal Way, WA
Posts: 30
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by buckz6319
this may help you with your replacement.I did my timing belt replacement over the summer, and took lots of pics with step by step instructions of how I did min., you can scroll down to where you see the timing belt install part......GL
https://www.yotatech.com/forums/f116...s-pics-183911/

I think i looked at this post 20 times... LOL
Old 11-29-2009, 10:59 AM
  #7  
Registered User
 
buckz6319's Avatar
 
Join Date: Jul 2008
Location: GA
Posts: 1,062
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by RetchedOne
I think i looked at this post 20 times... LOL
cool.........
Old 11-29-2009, 09:39 PM
  #8  
Registered User
 
delio's Avatar
 
Join Date: May 2009
Location: prince rupert
Posts: 19
Likes: 0
Received 0 Likes on 0 Posts
re/re timing belt...

i did my timing belt at 120000 kms, I am now at 185000 ...I have the directions for it ....I also replace the water pump...cause while it's open I replaced it cause idon't wanna open it up again the 2nd time......give me your fax # and i'll fax it to you k
Old 11-29-2009, 09:40 PM
  #9  
Registered User
 
delio's Avatar
 
Join Date: May 2009
Location: prince rupert
Posts: 19
Likes: 0
Received 0 Likes on 0 Posts
re/re timing belt...

i did my timing belt at 120000 kms, I am now at 185000 ...I have the directions for it ....I also replace the water pump...cause while it's open I replaced it cause idon't wanna open it up again the 2nd time......give me your fax # and i'll fax it to you k
by the way I have a 2000 4runner ltd
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Eggslinger
86-95 Trucks & 4Runners
22
06-08-2019 03:32 PM
nick b
86-95 Trucks & 4Runners
4
07-11-2015 04:38 AM
crashburnoveride
86-95 Trucks & 4Runners
1
07-10-2015 06:39 AM
Huntingtruckcletus
Other Makes Cars/Trucks
0
07-08-2015 05:26 PM



Quick Reply: Timing Belt Marks and TDC...



All times are GMT -8. The time now is 12:06 AM.