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STARTING ISSUES
PLACE ANY ISSUES RELATED TO YOUR VAN NOT STARTING OR STARTING HARD IN HERE.
Topics: 78

78 Topics

574 Posts

Last post Re: 2002 Astro Van Broke down…
by MountainManJoe View the latest post
Tue Jun 11, 2024 10:01 pm
RUNNING ISSUES
PLACE ANY ISSUES RELATED TO HOW YOUR VAN RUNS. IF IT BOGS, HESITATES, BACKFIRES OR JUST PLAIN RUNS LIKE CRAP...THIS IS THE PLACE FOR IT!
Topics: 137

137 Topics

1168 Posts

Last post Re: Mis-Fires driving me CRAZ…
by andyrud View the latest post
Wed Jul 24, 2024 2:33 pm
Starting/Charging system
Battery, alternator, starter, cables, etc.
Topics: 9

9 Topics

116 Posts

Last post Re: 2015 THREAD RESURRECTION
by LAZ 1 View the latest post
Wed Sep 16, 2015 9:14 am
Exhaust System
Manifolds, flexpipe, catalytic converters, mufflers, hangers, piping, EGR etc.
Topics: 66

66 Topics

458 Posts

Last post Re: Exhaust rattle when idling
by Wiley View the latest post
Thu Jun 28, 2018 8:53 am
Cooling System
Radiator, thermostat, water pump, antifreeze, etc.
Topics: 179

179 Topics

1524 Posts

Last post Re: Do I have rear AC?
by sixsix View the latest post
Tue Oct 29, 2024 1:48 pm
Fuel System
Tank, pump, filter, regulator, injectors and poppet valves etc.
Topics: 8

8 Topics

67 Posts

Last post Re: Standard Motor Product Sp…
by andyrud View the latest post
Fri Jul 26, 2024 8:56 pm
Air Intake
Air filter, throttle, sensors, vacuum, etc.
Topics: 3

3 Topics

15 Posts

Last post Re: I unplug the MAF Sensor, …
by Bret Schmerker View the latest post
Thu Oct 14, 2021 9:19 am

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705 topics

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Last post

engine swap

Last post by Smiliesafari « Sun Aug 22, 2010 1:46 pm
Replies: 1
by leek » Sun Aug 22, 2010 11:55 am

I looked over the holy grail but was a little confused.

My question can I install a 4.3 from 1992 astro in a 1999 astro awd
Leek

1 Replies

1488 Views

Last post by Smiliesafari
Sun Aug 22, 2010 1:46 pm
Hybrid Anyone?

Last post by leadtrombone « Fri Aug 20, 2010 7:12 am
Replies: 3
by capulet_x » Tue Aug 17, 2010 6:50 pm

I honestly had no idea where the proper place was to put this post so pardon the error in advance should this not be the correct place.
I have a...

3 Replies

2158 Views

Last post by leadtrombone
Fri Aug 20, 2010 7:12 am
Air Cleaner PreHeat Valve Flapper - Adjustable?

Last post by Lumpy « Fri Aug 06, 2010 6:04 pm
Replies: 4
by Lumpy » Thu Aug 05, 2010 6:56 pm

I have the flapper thing in the snorkel of the air cleaner housing.
You know the thing that diverts the intake air from either the
manifold pre-heat...

4 Replies

2373 Views

Last post by Lumpy
Fri Aug 06, 2010 6:04 pm
A good read about engine bearings

Last post by 1Gary « Mon Aug 02, 2010 11:18 am

by 1Gary » Mon Aug 02, 2010 11:18 am

Like the title says.Might want to spend some time with this link.

0 Replies

1459 Views

Last post by 1Gary
Mon Aug 02, 2010 11:18 am
Drowning a 4.3

Last post by Kidhauler « Mon Aug 02, 2010 9:39 am
Replies: 3
by ihatemybike » Thu Jul 29, 2010 8:13 am

Now that Grumpy had truly been off roading, which included some sizable water holes and a creek run, I'm thinking about worst case scenarios. I know...

3 Replies

2176 Views

Last post by Kidhauler
Mon Aug 02, 2010 9:39 am
Timing Chain Tensioner TSB??

Last post by v8famvan « Mon Jul 26, 2010 10:00 pm
Replies: 12
by big JC » Wed Jul 21, 2010 10:17 pm

This is a tsb for owners who experience a chatter noise from the front of the engine at around 1800-2200 rpm from years 1996-2004. The fix is to add...

12 Replies

8119 Views

Last post by v8famvan
Mon Jul 26, 2010 10:00 pm
Fuel cell upgrade questions

Last post by snapple « Sat Jul 24, 2010 4:55 pm
Replies: 12
by Mcfly Minis » Thu Jul 22, 2010 10:22 am

I gotta put a fuel cell in my customers van. Was wondering what pump you guys use, or what pressure is required. I'd like to use an external inline...

12 Replies

5155 Views

Last post by snapple
Sat Jul 24, 2010 4:55 pm
Where to buy discounted engine rebuild kits.

Last post by rlsllc « Thu Jul 22, 2010 7:38 pm
Replies: 1
by pk5066 » Thu Jul 22, 2010 4:49 pm

I'm rebuilding my 97 4.3L engine. The parts are starting to come back from the machine shop. And I can't fine that many places that sells discount...

1 Replies

1616 Views

Last post by rlsllc
Thu Jul 22, 2010 7:38 pm
94 Safari 4.3 W

Last post by breeze9 « Thu Jul 22, 2010 10:08 am

by breeze9 » Thu Jul 22, 2010 10:08 am

I have gone through everything that was suggested to me in my other post. Still same problem. I am not getting signal to my injector. PCM? Or is...

0 Replies

1377 Views

Last post by breeze9
Thu Jul 22, 2010 10:08 am
Cold air intake tubing

Last post by onewingman « Thu Jul 22, 2010 2:03 am
Replies: 4
by rlsllc » Tue Jul 06, 2010 8:19 pm

Anyone know where I can get a good deal on some 3.5 O.D. thin wall tubing suitable for use in cold air intake systems? I just need about a foot or so...

4 Replies

2546 Views

Last post by onewingman
Thu Jul 22, 2010 2:03 am
diagnose my noise?

Last post by MountainManJoe « Wed Jul 21, 2010 8:19 pm
Replies: 5
by big JC » Wed Jul 14, 2010 10:43 pm

Well, I bought my first safari 3 years ago. A 2000 awd cargo with 180k for $1700. It was banged up but ran perfect and it always exceeded my...

5 Replies

2966 Views

Last post by MountainManJoe
Wed Jul 21, 2010 8:19 pm
Oil coolant lines

Last post by rlsllc « Wed Jul 21, 2010 3:01 pm
Replies: 2
by 1Gary » Wed Jul 21, 2010 6:20 am

Anyone know how long the oil coolant lines are on my 1994 Astro??.They have had a small leak that now has gotten worse.Autozone wants about $100.00...

2 Replies

2075 Views

Last post by rlsllc
Wed Jul 21, 2010 3:01 pm
Runs rough / no Acceleration

Last post by crash « Wed Jul 21, 2010 3:24 am
Replies: 3
by stevieb » Sun Jun 13, 2010 10:59 am

Just purchased my 2000 Astro van with 141k and having numerous problems. On the first day I replaced the fuel pressure regulator on a recommendation...

3 Replies

2781 Views

Last post by crash
Wed Jul 21, 2010 3:24 am
Oil Filters

Last post by afsigma21 « Wed Jul 14, 2010 1:48 pm
Replies: 21
by sfeaver » Mon Oct 20, 2008 6:46 pm
1

2
Anybody ever seen this guys website on Oil Filters? Kinda interesting!

Also had this guy email him about his findings... For what its worth!...
21 Replies

8717 Views

Last post by afsigma21
Wed Jul 14, 2010 1:48 pm
Cranks but no start, 1995. What to check?

Last post by mdmead « Thu Jul 01, 2010 3:13 pm
Replies: 9
by Herbie » Tue Jun 29, 2010 10:01 am

OK, so I just bought a second Astro. Its a long story that I will cover in another thread, but the short version is that after 1400+ miles, 2...

9 Replies

4527 Views

Last post by mdmead
Thu Jul 01, 2010 3:13 pm
ADVICE... CHANGING HEADS 98 AWD???

Last post by big JC « Wed Jun 30, 2010 5:21 pm
Replies: 6
by big JC » Mon Jun 28, 2010 7:03 pm

Just bought a 98 awd with 124k on it. It is in excellent condition. I got a p0300 code, it is underpowered, and runs rough. After dickering with it...

6 Replies

3210 Views

Last post by big JC
Wed Jun 30, 2010 5:21 pm
Fuel pump issue?

Last post by Mr Singh « Wed Jun 30, 2010 2:57 pm
Replies: 12
by Mr Singh » Fri Jun 11, 2010 6:58 am

Hey folks

I seemed to have developed a odd fault in the Astro. All of a sudden the van cut out, so I pulled over and waited for a while. Turned the...

12 Replies

5524 Views

Last post by Mr Singh
Wed Jun 30, 2010 2:57 pm
Ahh! more 98 awd issues uhg! p0300 code?

Last post by Rileysowner « Mon Jun 28, 2010 6:48 pm
Replies: 8
by big JC » Sat Jun 26, 2010 2:05 pm

Just got a 98 awd that is in fantastic shape The van starts runs and shifts fine It has new plugs wires cap rotor fuel filter and a relatively new...

8 Replies

3716 Views

Last post by Rileysowner
Mon Jun 28, 2010 6:48 pm
Idiot Battery Light

Last post by daryl1964 « Mon Jun 28, 2010 10:45 am
Replies: 2
by daryl1964 » Sun Jun 20, 2010 8:17 am

I am having a problem with my 95 Safari , little red battery on lower left instrament panel flickering when excellerating and voltage meter goes from...

2 Replies

1814 Views

Last post by daryl1964
Mon Jun 28, 2010 10:45 am
misfire / shudder

Last post by v8famvan « Sat Jun 26, 2010 7:25 am
Replies: 5
by Caper » Fri Jun 11, 2010 9:25 am

Hello all,
Although I've been reading posts on this site for some time, I've just become a member today. And of course, I'm looking for help. I've a...

5 Replies

3016 Views

Last post by v8famvan
Sat Jun 26, 2010 7:25 am
Knock Sensor ( E.S.C Sensor) Problem

Last post by capulet_x « Tue Jun 22, 2010 10:20 pm
Replies: 3
by capulet_x » Tue Jun 15, 2010 11:56 pm

Hello, I have an '87 Astro with a 5 speed which seems to run pretty well. I say seems because the knock sensor does not seem to be working or the ECM...

3 Replies

2063 Views

Last post by capulet_x
Tue Jun 22, 2010 10:20 pm
runs rough when hot

Last post by astrozam « Tue Jun 22, 2010 9:01 am
Replies: 8
by stevieb » Mon Jun 14, 2010 9:12 pm

I've owned my van for a week and have driven it twice. I dont know much about the history of it but was told it had heads replaced due to an...

8 Replies

3541 Views

Last post by astrozam
Tue Jun 22, 2010 9:01 am
2 wire knock sensor with only 1 lead from vcm?

Last post by rlsllc « Thu Jun 17, 2010 5:34 pm
Replies: 3
by big JC » Tue Jun 15, 2010 5:24 pm

I have a 1998 safari with a 2001 engine it throws a knock sensor code and clearly has a timing issue I also think the throttle position sensor is not...

3 Replies

2128 Views

Last post by rlsllc
Thu Jun 17, 2010 5:34 pm
Vehicle is dying, fuel pump?

Last post by phr1$k37 « Mon Jun 14, 2010 12:04 am
Replies: 13
by phr1$k37 » Tue Jun 08, 2010 12:26 am

Hi Folks!
So some of you have read my post in the What did you do to/with your van today? about how I had an empty gas tank and couldnt start up....

13 Replies

7130 Views

Last post by phr1$k37
Mon Jun 14, 2010 12:04 am
just a common question

Last post by rlsllc « Sun Jun 13, 2010 7:02 pm
Replies: 5
by markinnh » Sun Jun 13, 2010 2:26 pm

I bouht an S-10 recently and the manual shows two different firing orders for the 4.3 one from 85 to 91 and the other from 92 till present. Anyone...

5 Replies

2736 Views

Last post by rlsllc
Sun Jun 13, 2010 7:02 pm
Oil Pan / Cooler lines leaking ?

Last post by doyoulikeithere « Sun Jun 13, 2010 1:55 pm
Replies: 11
by stevieb » Fri Jun 11, 2010 8:42 am

Hi Everyone, I'm new to the site, as well as a new (2000) Astro van owner. My first day of ownership I had to replace the fuel pressure regulator....

11 Replies

6782 Views

Last post by doyoulikeithere
Sun Jun 13, 2010 1:55 pm
Engine runs fine but????

Last post by markinnh « Sun Jun 13, 2010 6:22 am
Replies: 5
by markinnh » Thu Jun 10, 2010 4:12 pm

I recently bought an S-10 truck with 4.3 & 5 speed trans it runs great but after it runs and gets to operating temperature
and I shut it off then try...

5 Replies

2665 Views

Last post by markinnh
Sun Jun 13, 2010 6:22 am
computer compatibility 2002 engine 1998 awd van ??

Last post by rlsllc « Sat Jun 12, 2010 7:03 am
Replies: 1
by big JC » Fri Jun 11, 2010 9:44 pm

Just bought a 1998 awd safari that throws a knock sensor code (the knock sensor is new) and runs really rough when warmed up from about 40 mph on The...

1 Replies

1397 Views

Last post by rlsllc
Sat Jun 12, 2010 7:03 am
shudder problem?

Last post by big JC « Fri Jun 11, 2010 4:21 pm
Replies: 4
by big JC » Thu Jun 10, 2010 10:21 pm

I just bought a 1998 safari awd with 152k I had the knock sensor replaced and I was told by the shop that replaced the sensor that they checked...

4 Replies

2178 Views

Last post by big JC
Fri Jun 11, 2010 4:21 pm
fluid filtration

Last post by Cobra « Mon Jun 07, 2010 5:34 am
Replies: 4
by Cobra » Sun Jun 06, 2010 4:27 pm

so i was looking at my fuel filter yesterday and today and i'm sure it's about time to change it. I've been thinking for months about changing the...

4 Replies

2265 Views

Last post by Cobra
Mon Jun 07, 2010 5:34 am
140 amp alternator

Last post by rlsllc « Fri Jun 04, 2010 8:25 pm
Replies: 2
by rlsllc » Thu Jun 03, 2010 4:55 am

My 1999 5.7 engine came with a huge alternator on it that is what I think is a CS144, rated at 140 amps. The engine came out of a 3500 series school...

2 Replies

1555 Views

Last post by rlsllc
Fri Jun 04, 2010 8:25 pm
TPS sensor? I've gone through 3 in 4 months.....

Last post by crash « Fri Jun 04, 2010 3:38 am
Replies: 4
by Logan » Wed Jun 02, 2010 5:05 am

Anyone else have issues with their Throttle Positioning Sensors?? I've had to replace 3 in the past 4 months. I've checked for pinched wires and...

4 Replies

2106 Views

Last post by crash
Fri Jun 04, 2010 3:38 am
98 safari 4.3 stall and no start

Last post by rlsllc « Thu Jun 03, 2010 5:19 am
Replies: 4
by tyrone27 » Tue Jun 01, 2010 2:58 pm

hi I have a 98 GMC safari and I have a problem with the van. When its hot outside after driving for 20 30 mins it will start stumbling bad and stall...

4 Replies

2202 Views

Last post by rlsllc
Thu Jun 03, 2010 5:19 am
Sparks, Wires, Distribution Cap

Last post by Cobra « Wed Jun 02, 2010 5:44 am
Replies: 13
by phr1$k37 » Tue Jun 01, 2010 9:30 am

Hi folks,
Just curious how often you all change your spark plugs, wires and/ or distribution cap?

I use to run NGK iridium plugs and wires (6mm?)...

13 Replies

5260 Views

Last post by Cobra
Wed Jun 02, 2010 5:44 am
Crappy Mileage, got Scan Gauge, now what?

Last post by Kidhauler « Tue Jun 01, 2010 10:07 pm
Replies: 10
by Herbie » Thu May 06, 2010 4:19 pm

OK, since day 1 of taking ownership of my 2003 AWD, I've had worse mileage than I expected given the stats on the van. The final straw is the owner...

10 Replies

3951 Views

Last post by Kidhauler
Tue Jun 01, 2010 10:07 pm
E3 Spark Plugs .. anyone try them?

Last post by reaper « Mon May 31, 2010 8:05 pm
Replies: 7
by crash » Wed Apr 14, 2010 10:54 am

so for those of you that know.. I work at an auto parts store. our primary selling plugs are NGK, then AC Delco. then the mower plugs like champion...

7 Replies

3456 Views

Last post by reaper
Mon May 31, 2010 8:05 pm
Would a S10 vortec fit a 1991 ext 2WD?

Last post by rlsllc « Sat May 29, 2010 2:18 pm
Replies: 5
by Jean Pierre » Fri May 28, 2010 3:31 pm

Hello,
Would a S10 vortec fit a 1991 ext 2WD Vin: 1GBDM19Z7MB129347 ???
Is the intake manifold swapable with TBI carburator manifold (same bolt...

5 Replies

2399 Views

Last post by rlsllc
Sat May 29, 2010 2:18 pm
Funny acting van

Last post by Kabey's Van « Fri May 28, 2010 5:21 am
Replies: 4
by daytonboi » Thu May 27, 2010 8:02 pm

Ok this problem started now three days ago. I was visiting an aunt. I had been running the van just about all day and just before visiting i had been...

4 Replies

1805 Views

Last post by Kabey's Van
Fri May 28, 2010 5:21 am
EGR Bulletin

Last post by astroturf « Wed May 26, 2010 5:09 am
Replies: 1
by 1Gary » Tue May 25, 2010 11:59 pm

( I stole this off another site )
Repeat failure
Repeat failure is a common problem. You can recommend a top engine clean to the customer and attempt...

1 Replies

1180 Views

Last post by astroturf
Wed May 26, 2010 5:09 am
extremely sluggish

Last post by phr1$k37 « Tue May 18, 2010 11:03 am
Replies: 10
by Essexman » Sat May 15, 2010 6:43 am

Hi. I just wanted to join the forum to ask a quick question. I have a 1997 Chevy Astro. Just yesterday it started. When i first pull away it is...

10 Replies

3537 Views

Last post by phr1$k37
Tue May 18, 2010 11:03 am
Need some help

Last post by LiftedAWDAstro « Mon May 17, 2010 6:08 pm
Replies: 3
by astrogus » Wed May 12, 2010 1:22 pm

I have a 1997 Astro 160k on the clock, the fuel pump went out recently so i changed it, since then my van has been running like crap. Only at idle...

3 Replies

2145 Views

Last post by LiftedAWDAstro
Mon May 17, 2010 6:08 pm
4.3l diesel?

Last post by ihatemybike « Sun May 16, 2010 6:26 am
Replies: 12
by GnarliSafari » Wed May 12, 2010 1:05 am

i stumbled across some websites which are talking about 4.3l v6 diesels and 5.7l v8 diesels that were found in buicks at one time. why have i never...

12 Replies

4782 Views

Last post by ihatemybike
Sun May 16, 2010 6:26 am
very rough and smells

Last post by safariman28 « Fri May 14, 2010 10:58 pm
Replies: 4
by safariman28 » Tue May 11, 2010 6:38 am

:canuk: My 95 safari when warm idles rough, smells of fuel in the cab, and when sitting idling there is carbon on the pavement not just a little bit...

4 Replies

1936 Views

Last post by safariman28
Fri May 14, 2010 10:58 pm
P0101 Code

Last post by thevalleyboy « Tue May 11, 2010 11:39 am
Replies: 6
by thevalleyboy » Fri Apr 30, 2010 2:58 pm

I know there is a bunch of info on the site about the infamous P0101 code but here's another.

So my Astro keep tossing this code - I have cleaned...

6 Replies

5238 Views

Last post by thevalleyboy
Tue May 11, 2010 11:39 am
Decision Time Should I do a 350 Swap or Just Rebuild My 4.3L

Last post by Logan « Mon May 10, 2010 4:19 am
Replies: 2
by pk5066 » Sun May 09, 2010 12:14 pm

I'm about ready to pull my the engine from my 97 Astro. I dont which way to go. 350 or just rebuild what I have. I have W vin number.
1) What Vin...

2 Replies

1575 Views

Last post by Logan
Mon May 10, 2010 4:19 am
Occasional Rattle Sound from Underneath middle passengerside

Last post by Rileysowner « Thu May 06, 2010 6:38 am
Replies: 19
by Rileysowner » Tue Apr 27, 2010 7:56 am
1

2
I noticed yesterday while out with the wife that at times there is a rattling sound, maybe that is not the best description though, coming from the...
19 Replies

6884 Views

Last post by Rileysowner
Thu May 06, 2010 6:38 am
awd astro

Last post by mdmead « Tue May 04, 2010 6:28 am
Replies: 7
by titocrx88 » Sat May 01, 2010 9:12 pm

how high do i have to lift the van to get the engine out? what tall jack stand are safe to use? is that the engine lift tha ya be using to lift the...

7 Replies

3012 Views

Last post by mdmead
Tue May 04, 2010 6:28 am
PCM and tire size

Last post by rlsllc « Mon May 03, 2010 7:05 pm
Replies: 5
by MountainManJoe » Sun May 02, 2010 8:15 pm

The PCM contains data about the size of your tires. It lets your vehicle to display the correct speed. The parameter could also be used by ABS...

5 Replies

2247 Views

Last post by rlsllc
Mon May 03, 2010 7:05 pm
Power band

Last post by LiftedAWDAstro « Sat May 01, 2010 2:21 pm
Replies: 8
by MountainManJoe » Tue Apr 27, 2010 3:17 pm

Just curious, where is the power band on my engine (L35)? Anybody know?

8 Replies

2542 Views

Last post by LiftedAWDAstro
Sat May 01, 2010 2:21 pm
Volant + Granteli MAF

Last post by slim724 « Wed Apr 28, 2010 8:47 pm
Replies: 2
by slim724 » Sat Apr 24, 2010 6:22 pm

Just recently installed both in the astro, installation went as planned except I had to use a coupler for the Granateli MAF because of the larger...

2 Replies

1327 Views

Last post by slim724
Wed Apr 28, 2010 8:47 pm

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