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Timing belt replacement instructions please?

Tiny
JAZMJ23
  • MEMBER
  • 2008 HONDA ACCORD
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 270,000 MILES
Replacing the timing belt and rear camshaft pulley is off 2 cogs with the front and crankshaft timing marks lined up. What the process to correct?
Friday, September 20th, 2019 AT 8:36 PM

23 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
Welcome to 2CarPros.

Here are the directions for replacing the belt. The attached pictures (below) correlate with the directions and include timing mark locations.

_________________________________________

2008 Honda Accord V6-3.5L
J35Z2 Engine
Vehicle Engine, Cooling and Exhaust Engine Timing Components Timing Belt Service and Repair Removal and Replacement Timing Belt Installation J35Z2 Engine
J35Z2 ENGINE
Timing Belt Installation

NOTE: The following procedure is for installing a used timing belt. If you are installing a new belt, refer to the timing belt replacement procedure.

1. Clean the timing belt pulleys, the timing belt guide plate, and the upper and lower covers.
2. Set the timing belt drive pulley to top dead center (TDC) by aligning the TDC mark (A) on the tooth of the timing belt drive pulley with the pointer (B). On the oil pump.

Pic 1

3. Set the camshaft pulleys to TDC by aligning the TDC marks (A) on the camshaft pulleys with the pointers (B) on the back covers.

Pic 2

4. Loosely install the idler pulley with a new idler pulley bolt so the pulley can move but does not come off.
5. If the auto-tensioner has extended and the timing belt cannot be installed, do the timing belt replacement procedure.
6. Install the timing belt in a counterclockwise sequence starting with the drive pulley. Take care not to damage the timing belt during installation.

Pic 3

7. Tighten the idler pulley bolt.

Pic 4

8. Remove the battery clamp bolt from the back cover.

Pic 5

9. Install the lower half of the side engine mount bracket.

Pic 6

10. Install the timing belt guide plate as shown.

Pic 7

11. Install the lower cover.

Pic 8

12. Install the front upper cover (A) and the rear upper cover (B).

Pic 9

13. Install the crankshaft pulley.
14. Rotate the crankshaft pulley about six turns clockwise so the timing belt positions itself on the pulleys.
15. Turn the crankshaft pulley so its white mark (A) lines up with the pointer (B).

Pic 10

16. Check the camshaft pulley marks.

NOTE: If the marks are not aligned, rotate the crankshaft 360 degrees, and recheck the camshaft pulley mark.

- If the camshaft pulley marks are at TDC, go to step 17.
- If the camshaft pulley marks are not at TDC, remove the timing belt and repeat steps 2 through 16.

Pic 11

17. Install the upper half of the side engine mount bracket (A), then tighten the mounting bolts in the numbered sequence shown.

Pic 12

18. Install the ground cable (B).
19. Install the drive belt auto-tensioner.
20. Install the splash shield.

Pic 13

21. Install the right front wheel.
22. Do the crankshaft position (CKP) pattern clear/CKP pattern learn procedure.

____________________________________

Let me know if this helps or if you have other questions.

Take care,
Joe
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Friday, September 20th, 2019 AT 9:13 PM
Tiny
JAZMJ23
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  • 3 POSTS
I understand the process but the rear camshaft is out of time by two cogs. Can I align it independently with the old belt off before I put on the new belt or is it a bigger issue than that?
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Friday, September 20th, 2019 AT 9:18 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
Welcome back:

Since it only jumped 2, chances are it is okay. However, it is an interference engine, so once the new belt is installed and timing is set, you may have to check compression to determine if there was damage.

Is that what you meant?

Joe
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Friday, September 20th, 2019 AT 9:25 PM
Tiny
JAZMJ23
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  • 3 POSTS
I'm in the belief that it is also okay, but how do I correctly reset the timing on the rear camshaft that is off? Can I rotate it independently backwards to align it with the other two after the old belt is off or is there another procedure to align them?
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Friday, September 20th, 2019 AT 9:30 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
Welcome back:

Yes, once the belt is removed, then you will be able to align the mark.

Let me know if I can help.

Take care,
Joe
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Friday, September 20th, 2019 AT 9:38 PM
Tiny
08ACCORD
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  • 2008 HONDA ACCORD
  • 2.4L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
I have just completed a rebuild, due to compression loss caused by leaking valve stem seals.
So finally got it all back together, topped up all fluids, including fuel, go to crank it and notice it sounds different than a normal crank. And discovered that the throttle body is blowing outwards.

So my question is, could this be due to my timing being out? (Even one link), if not any help or direction would be much appreciated.
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Monday, January 11th, 2021 AT 4:57 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,798 POSTS
Yes, the air traveling outward can be caused by two things, either the camshafts are off or the exhaust is plugged.

Please let us know happens so it will help others.

Best, Ken
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Monday, January 11th, 2021 AT 4:57 PM (Merged)
Tiny
08ACCORD
  • MEMBER
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The exhaust is less than 10,000kms old, I removed the rocket cover, both my cams are perfectly aligned, ill Remove the timing cover and check that the crankshaft is aligned properly.
I'll keep you posted
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Monday, January 11th, 2021 AT 4:57 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Please let me know
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Monday, January 11th, 2021 AT 4:57 PM (Merged)
Tiny
BRENT999
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  • 2007 HONDA ACCORD
  • 3.0L
  • V6
  • 2WD
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I have a 2007 Honda Accord LX 3.0 Vtec. I am in the process of changing the timing belt. Before I removed the old belt, I rotated the Crankshaft and set both cams and the crank to TDC. I removed the old belt installed the new one and was about to pull the tensioner pin. I figured I would double check everything first. To sum up now my crank is at TDC. My Front cam is at TDC but my rear cam is at approx 3 o'clock. I can not turn the rear cam far enough. I tried and it sprung to 9 o'clock (Praying I didn't bend a valve). Please help.
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Monday, January 11th, 2021 AT 5:05 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
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You didn't bend any valves unless you really forced the cam sprocket. To get the cam to top dead center, just turn the crankshaft the same way the cam sprocket is off about 1/8 turn. You only need to move the crank far enough to lower the pistons so none of them are at top dead center. That will let you place the cam sprockets in the right position, but you'll have to do something to hold them there while you bring the crank back to tdc.
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Monday, January 11th, 2021 AT 5:05 PM (Merged)
Tiny
BRENT999
  • MEMBER
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Thank you for the help. I kinda figured it was going to require a bit of force but I was hesitant to do that. I also didn't know to offset the crank. I offset the crank and the rear cam was right on the verge of "triggering" off the tdc. I offset the crank as you suggested. I forced the rear cam into position. Wasn't easy but wasn't too hard either. Cool thing was I played with the crank and cam first and could actually feel when there was contact. Being a novice to mechanics this was a very good learning experience. Anyways I supported the wrench holding the rear cam into place with a book (wedged against the frame). It was all I could find that was the perfect size. I then placed a 2 x 4 across the top of the engine. My son held the 2x4 while I repositioned the crank and viola. Belts on and all marks line up. No significant force was required. I manually rotated the crank multiple times. Feel smooth and all marks kept. I am confident I'm in the clear. Got a late start yesterday. I'll button her up today test and report. Thanks again. I appreciate the help.
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Monday, January 11th, 2021 AT 5:05 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
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Dandy. I never trust myself until I see the engine run, and you can do that without installing all the covers. Once it has run a few seconds, check for oil and coolant leaks, then double-check the timing and the belt tension, THEN put everything together.
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Monday, January 11th, 2021 AT 5:05 PM (Merged)
Tiny
JOHNNYD998
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Where is the timing belt located on a 2005 honda accord v6?
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Monday, January 11th, 2021 AT 5:07 PM (Merged)
Tiny
ZACKMAN
  • MECHANIC
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It is hidden inside the the timing cover. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.


https://www.2carpros.com/forum/automotive_pictures/55316_05accordtb_2.jpg

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Monday, January 11th, 2021 AT 5:07 PM (Merged)
Tiny
JACKC1212
  • MEMBER
  • 3 POSTS
  • 2005 HONDA ACCORD
Engine Performance problem
2005 Honda Accord 6 cyl Front Wheel Drive Automatic

I have a quote of $800 to replace the timing belt on my Honda. This includes replacing the water pump, tensioners, seals, gaskets, and valve timing. Is all this necessary?
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Monday, January 11th, 2021 AT 5:08 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
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Hello and thanks for donating!

I can't really tell you that they are all bad and need replaced because I am not at the vehicle of course, but these items being replaced is typical as part of a timing belt replacement. The reason being, when you remove the timing belt you expose these other components, if you replace them while the engine is broken down for the timing belt then you can save yourself a lot of labor fees in the long run. Again, as for the gaskets and seals, if they are leaking then they definitely need replaced, but even if they are not leaking it's a good idea to replace while the mechanics are in that area. The valve timing should be part of the timing belt replacement fees though, not sure why they would be charging you extra for that one.
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Monday, January 11th, 2021 AT 5:08 PM (Merged)
Tiny
JBUCKHAULTS
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  • 2005 HONDA ACCORD
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
I have a 2005 Honda Accord, V-6 engine, with 120,000 miles. About 75% are highway miles. The car runs perfectly. The maintainence schedule calls for replacing the timing belt at 105,000 miles. Is it really necessary to replace the timing belt now or is this just Honda being super conservative?
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Monday, January 11th, 2021 AT 5:08 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
No, they are not. You are already over schedule and taking a great risk. Though the belt can last longer than that but I would not take that type of risk. The damage that can occur is not worth holding on.

If the belts are replaced now, you have another 5 more worry free years.
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Monday, January 11th, 2021 AT 5:08 PM (Merged)
Tiny
MOMO_AYALA23
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  • 2005 HONDA ACCORD
  • 4 CYL
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When does the timing belt change on a 2005 honda accord 4 cyl
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Monday, January 11th, 2021 AT 5:08 PM (Merged)

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