Question about 1999 Chevrolet Blazer

2 Answers

I am putting my 1998 Chevy 305 intake back together and my bolts got mixed up. I have all OEM bolts is there some kind of reference to use to ensure I get them all in the right place? Including the distributor and hang on.

Posted by on

  • bspeery Jun 20, 2009

    Thank you, I have all the lower manifold bolts (8ea) in, there is one bolt left that looks just like a manifold bolt but I cannot find the proper location for this bolt. I remember taking this bolt out, just not sure from where. I tried the distributor, but your right I have to lean into it and this bolt is shouldered. Same result at the fuel rail bracket. What a mess, bolts were knocked onto the floor before I could get them marked.

  • bspeery Jun 21, 2009

    "Oh Yeah" Got to together with some minor "back tracking", thanks for you time.



2 Answers

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Chevrolet Master
  • 6,982 Answers

If you take all of them and lay them out on a bench, you can sort them out by length. Most important are the ones that attach the manifold to the engine. count the bolt holes in the manifold and find the bolts that are all the same length that hold it on. I suggest that you use a flat washer under each of them on any aluminum manifold (even if there were none before) Put the manifold on and put all those bolts in but do not tighten them past one or two foot pounds This will properly align the part and give you the latitude to remove any that aren't right without causing any problems. If there are any brackets that need to be installed where a manifold bolt is, those bolts are sometimes a bit longer. You can "mix and match your way through those that go through items bolted to the front of the engine. Providing a bolt goes in a reasonable amount and you do not have to "lean into it" to get them tight (if so, you may be punching through the bottom of a bolt hole) conversely, you need at least 1/2" of bolt extending into any hole to make sure it can be tightened without tearing the threads out. When putting any brackets on, put all bolts in first before tightening any. Before you cover up the manifold bolts with brackets or anything that will be in your way make sure you torque it down to proper specs (don't remember what "factory" is on yours but it's usually about 30 foot pounds or slightly less) Pretty much you can work your way through this by just doing what I've outlined and using a bit of common sense.
Good luck!

Posted on Jun 20, 2009

  • Richard Scordino Jun 20, 2009

    Been doing this so long that I rarely have this problem (everything gets put into coffee cans full of kerosene to clean them up) but, when you get to the place where the "odd" bolt goes, it will likely be an "oh yeah" moment. Keep it aside till that happens so you don't end up putting it somewhere that will cause you to "backtrack" too much.


  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert who has answered 20 questions.


    An expert that has over 10 points.


    An expert whose answer got voted for 2 times.

  • Expert
  • 34 Answers

If bolts are various lengths shorter bolts go 2 shallow holes

Posted on Jun 20, 2009


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Replacing oil pan gasket 1998 chevy silverado 305

  1. Remove the oil level indicator tube.
  2. Raise the vehicle.
  3. Remove the engine oil and the engine oil filter.
  4. Remove the oil filter adapter.
  5. Remove the starter.
  6. Remove the flywheel inspection cover.
  7. Remove the engine mount through bolts.
  8. Raise and support the engine.

  1. Remove the oil pan nuts and bolts. Note the location of any studs to assist reassembly.
  2. Remove the engine oil pan and the gasket.
  3. Clean all sealing surfaces. Refer to Oil Pan Clean and Inspect under Engine Unit Repair.

  1. Install the engine oil pan and a NEW gasket. Refer to Oil Pan Installation under Engine Unit Repair.
  2. Lower the engine onto the mounts.
  3. Install the engine mount through-bolts.
  4. Install the starter.
  5. Install the flywheel inspection cover.
  6. Install the engine oil filter and the engine oil.
  7. Install the oil filter adapter.
  8. Install the oil level indicator tube.

May 04, 2015 | 1998 Chevrolet Chevrolet silverado

1 Answer

How do I remove and re install the CPI unit and gaskets on a 1998 Chevy Blazer with Vortec V6

You have to reove the upper plenum. that is the part on top of the intake that looks like a dome on top of the lower intake.There is 8 10mm bolts around the outside of the dome part. the disconnect the fuel lines at back of lower intake and remove the cpi unit.

Sep 12, 2014 | 1998 Chevrolet Blazer

1 Answer

Manifold water leak on 2002 blazer how do you get to it

This happens a lot with chevy engines 305 s 4.3 s its means the intake manifold gasket is leaking because the engine over heated at some point . Cheak your dip stick if you see a white fomey residue on the stick then look inside the radiator cap if you see oil floating on the top of the antifreeze it means oil and antifreeze are mixing this will kill the engine real fast so stop drivering it and have the intake manifold gasket replaced . ALso check for any other sorce of the antifreeze like a radiator hose or a gasket on the goose neck hopfuly you will find something else that easyer to fix but its a disgin problem with chevy they don't have enough bolts holding the manifold down theres 8 and there in the corners 2 in each well good luck with it

Jul 14, 2011 | Chevrolet Chevy Cars & Trucks

2 Answers

Whats the torque specs and sequence for the intake on an 86 chevy 305

start inward and work your way out zig zagging from bolt to belt at 35 foot pounds

Sep 12, 2010 | 1986 Chevrolet Camaro

1 Answer

Chevy 305 small-block engine runs good has a bad idle and dies when idling. I used a 350 intake and ignition system and put onto the 305 and need to know what to look for to make idle

if this is a fuel injected engine youll most likely have to replace the idle speed control sensor this should solve that problem.youll have to get one for the intake that you put in the car(one for the year and engine size of the replacement parts)

Nov 14, 2009 | 1985 Chevrolet Corvette

1 Answer

I am installing an Offenhouser intake manifold on a Ford inline-6

put the halves together leave bolts snug, then bolt it to the head, now go back and tighten the halves together,

Oct 06, 2009 | Ford Econoline Cars & Trucks

1 Answer

Have an 88 Chevy c1500 305 Eng i want to change tbi to carburetor

2bbl intake will not fit 87-95 small blocks heads are diferent from pre 86.the center bolts on your manifold are angled different than the front and back bolts.your 2bbl manifold has the same angle bolts front to back.i converted my buddies 89 to carb,had to make adapter plate for carb.but to make a long story short there is a lot of power loss and fuel economy your better of with tbi.

Mar 26, 2009 | 1988 Chevrolet C1500

2 Answers

About my chevy 1500 5.0 l motor

your center bolts on the tbi intake are different from the one in your caprice. some people say you can modify the center bolts ive never done this.

Aug 09, 2008 | 1988 Chevrolet K1500

Not finding what you are looking for?
1999 Chevrolet Blazer Logo

82 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts


Level 3 Expert

82322 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22382 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6927 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides